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- EMDB-71740: Human 26S proteasome bound to TXNL1 with opened gate of core particle -

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Basic information

Entry
Database: EMDB / ID: EMD-71740
TitleHuman 26S proteasome bound to TXNL1 with opened gate of core particle
Map data
Sample
  • Complex: Human proteasome from HCT116 cells
    • Protein or peptide: x 26 types
  • Ligand: x 4 types
KeywordsProteasome / 26S / TXNL1 / HYDROLASE
Function / homology
Function and homology information


disulfide oxidoreductase activity / positive regulation of inclusion body assembly / thyrotropin-releasing hormone receptor binding / nuclear proteasome complex / host-mediated perturbation of viral transcription / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / proteasome accessory complex / purine ribonucleoside triphosphate binding / integrator complex ...disulfide oxidoreductase activity / positive regulation of inclusion body assembly / thyrotropin-releasing hormone receptor binding / nuclear proteasome complex / host-mediated perturbation of viral transcription / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / proteasome accessory complex / purine ribonucleoside triphosphate binding / integrator complex / proteasome regulatory particle / cytosolic proteasome complex / positive regulation of proteasomal protein catabolic process / CD8-positive, alpha-beta T cell differentiation / CD8-positive, alpha-beta T cell homeostasis / transcription factor binding / thymic T cell selection / Antigen processing: Ub, ATP-independent proteasomal degradation / proteasome-activating activity / RND1 GTPase cycle / RND2 GTPase cycle / RND3 GTPase cycle / proteasome regulatory particle, lid subcomplex / proteasome regulatory particle, base subcomplex / negative regulation of programmed cell death / RHOBTB1 GTPase cycle / negative regulation of regulatory T cell differentiation / T-helper 1 cell differentiation / protein K63-linked deubiquitination / RHOV GTPase cycle / metal-dependent deubiquitinase activity / Regulation of ornithine decarboxylase (ODC) / proteasome core complex / Proteasome assembly / cellular response to type I interferon / T-helper 17 cell differentiation / Cross-presentation of soluble exogenous antigens (endosomes) / retrograde vesicle-mediated transport, Golgi to endoplasmic reticulum / Somitogenesis / K63-linked deubiquitinase activity / Homologous DNA Pairing and Strand Exchange / Defective homologous recombination repair (HRR) due to BRCA1 loss of function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA1 binding function / Defective HDR through Homologous Recombination Repair (HRR) due to PALB2 loss of BRCA2/RAD51/RAD51C binding function / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / flagellated sperm motility / Resolution of D-loop Structures through Holliday Junction Intermediates / sperm end piece / proteasome binding / RHOU GTPase cycle / Impaired BRCA2 binding to RAD51 / myofibril / protein-disulfide reductase activity / ciliary tip / proteasomal ubiquitin-independent protein catabolic process / positive regulation of RNA polymerase II transcription preinitiation complex assembly / general transcription initiation factor binding / Presynaptic phase of homologous DNA pairing and strand exchange / proteasome storage granule / polyubiquitin modification-dependent protein binding / protein deubiquitination / NF-kappaB binding / RHOBTB2 GTPase cycle / endopeptidase activator activity / proteasome core complex, alpha-subunit complex / proteasome assembly / mRNA export from nucleus / SARS-CoV-1 targets host intracellular signalling and regulatory pathways / immune system process / regulation of G1/S transition of mitotic cell cycle / stem cell differentiation / regulation of macroautophagy / positive regulation of interleukin-2 production / proteasome complex / enzyme regulator activity / ERAD pathway / response to type II interferon / inclusion body / TBP-class protein binding / : / regulation of proteasomal protein catabolic process / sarcomere / Regulation of activated PAK-2p34 by proteasome mediated degradation / ubiquitin binding / negative regulation of inflammatory response to antigenic stimulus / Autodegradation of Cdh1 by Cdh1:APC/C / proteasomal protein catabolic process / APC/C:Cdc20 mediated degradation of Securin / N-glycan trimming in the ER and Calnexin/Calreticulin cycle / Asymmetric localization of PCP proteins / Ubiquitin-dependent degradation of Cyclin D / lipopolysaccharide binding / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / AUF1 (hnRNP D0) binds and destabilizes mRNA / TNFR2 non-canonical NF-kB pathway / positive regulation of type II interferon production / Assembly of the pre-replicative complex / P-body / Vpu mediated degradation of CD4
Similarity search - Function
PITH domain / PITH domain superfamily / PITH domain / PITH domain profile. / : / Ubiquitin interaction motif / : / : / 26S proteasome regulatory subunit RPN7/PSMD6 C-terminal helix / PSMD3-like, N-terminal TPR repeats ...PITH domain / PITH domain superfamily / PITH domain / PITH domain profile. / : / Ubiquitin interaction motif / : / : / 26S proteasome regulatory subunit RPN7/PSMD6 C-terminal helix / PSMD3-like, N-terminal TPR repeats / 26S proteasome non-ATPase regulatory subunit Rpn12 / 26S proteasome regulatory subunit, C-terminal / Proteasome regulatory subunit C-terminal / 26S proteasome regulatory subunit RPN5, C-terminal domain / : / 26S proteasome regulatory subunit RPN5 C-terminal domain / PSD13 N-terminal repeats / 26S proteasome regulatory subunit Rpn6, N-terminal / 6S proteasome subunit Rpn6, C-terminal helix domain / 26S proteasome regulatory subunit RPN6 N-terminal domain / 26S proteasome subunit RPN6 C-terminal helix domain / 26S Proteasome non-ATPase regulatory subunit 13 / Proteasome subunit Rpn10 / 26S Proteasome non-ATPase regulatory subunit 7/8 / : / 26S proteasome subunit RPN2, N-terminal domain / 26S proteasome regulatory complex, non-ATPase subcomplex, Rpn2/Psmd1 subunit / 26S proteasome regulatory subunit RPN2, C-terminal / 26S proteasome regulatory subunit RPN2 C-terminal domain / : / 26S proteasome regulatory subunit RPN11 C-terminal domain / 26S proteasome regulatory complex, non-ATPase subcomplex, Rpn1 subunit / RPN1, N-terminal / 26S proteasome non-ATPase regulatory subunit RPN1, C-terminal / RPN1 N-terminal domain / 26S proteasome non-ATPase regulatory subunit RPN1 C-terminal / DSS1/SEM1 / DSS1/SEM1 family / DSS1_SEM1 / Proteasome/cyclosome repeat / Ubiquitin-interacting motif. / Proteasome/cyclosome repeat / : / 26S proteasome regulatory subunit 7, OB domain / von Willebrand factor type A domain / : / : / : / PSMD12/CSN4, N-terminal / 26S proteasome regulatory subunit Rpn7/COP9 signalosome complex subunit 1 / 26S proteasome regulatory subunit Rpn7, N-terminal / 26S proteasome subunit RPN7 / 26S Proteasome non-ATPase regulatory subunit 12/COP9 signalosome complex subunit 4 / : / PCI/PINT associated module / HEAT repeats / Proteasome subunit alpha 1 / Proteasomal ATPase OB C-terminal domain / Proteasomal ATPase OB C-terminal domain / CSN8/PSMD8/EIF3K / CSN8/PSMD8/EIF3K family / Rpn11/EIF3F, C-terminal / Maintenance of mitochondrial structure and function / motif in proteasome subunits, Int-6, Nip-1 and TRIP-15 / : / Thioredoxin / PCI domain / Proteasome component (PCI) domain / PCI domain profile. / Ubiquitin interacting motif / Ubiquitin-interacting motif (UIM) domain profile. / JAB1/Mov34/MPN/PAD-1 ubiquitin protease / Thioredoxin family active site. / Thioredoxin, conserved site / Proteasome subunit alpha5 / Proteasome subunit alpha6 / Proteasome beta-type subunit, conserved site / Proteasome subunit A N-terminal signature / Proteasome alpha-type subunits signature. / Proteasome alpha-subunit, N-terminal domain / Proteasome subunit A N-terminal signature Add an annotation / : / Proteasome alpha-type subunit / Proteasome alpha-type subunit profile. / VWFA domain profile. / Proteasome subunit / Proteasome, subunit alpha/beta / von Willebrand factor (vWF) type A domain / von Willebrand factor, type A / Thioredoxin domain / JAB/MPN domain / JAB1/MPN/MOV34 metalloenzyme domain / MPN domain / MPN domain profile. / AAA ATPase, AAA+ lid domain / AAA+ lid domain / ATPase, AAA-type, conserved site / AAA-protein family signature. / Nucleophile aminohydrolases, N-terminal / von Willebrand factor A-like domain superfamily
Similarity search - Domain/homology
26S proteasome non-ATPase regulatory subunit 11 / 26S proteasome non-ATPase regulatory subunit 12 / Ubiquitin C-terminal hydrolase PSMD14 / Proteasome subunit alpha type-7 / 26S proteasome non-ATPase regulatory subunit 3 / Thioredoxin-like protein 1 / 26S proteasome regulatory subunit 6A / Proteasome subunit alpha type-1 / Proteasome subunit alpha type-2 / Proteasome subunit alpha type-3 ...26S proteasome non-ATPase regulatory subunit 11 / 26S proteasome non-ATPase regulatory subunit 12 / Ubiquitin C-terminal hydrolase PSMD14 / Proteasome subunit alpha type-7 / 26S proteasome non-ATPase regulatory subunit 3 / Thioredoxin-like protein 1 / 26S proteasome regulatory subunit 6A / Proteasome subunit alpha type-1 / Proteasome subunit alpha type-2 / Proteasome subunit alpha type-3 / Proteasome subunit alpha type-4 / Proteasome subunit alpha type-5 / 26S proteasome regulatory subunit 7 / 26S proteasome regulatory subunit 6B / 26S proteasome non-ATPase regulatory subunit 8 / 26S proteasome non-ATPase regulatory subunit 7 / 26S proteasome non-ATPase regulatory subunit 4 / 26S proteasome complex subunit SEM1 / Proteasome subunit alpha type-6 / 26S proteasome regulatory subunit 4 / 26S proteasome regulatory subunit 8 / 26S proteasome regulatory subunit 10B / 26S proteasome non-ATPase regulatory subunit 2 / 26S proteasome non-ATPase regulatory subunit 6 / 26S proteasome non-ATPase regulatory subunit 1 / 26S proteasome non-ATPase regulatory subunit 13
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.82 Å
AuthorsChen X / Negi H / Walters KJ
Funding support United States, 1 items
OrganizationGrant numberCountry
National Institutes of Health/National Cancer Institute (NIH/NCI)1 ZIABC011490 United States
CitationJournal: Mol Cell / Year: 2026
Title: Structures of dynamic interactors at native proteasomes by PhIX-MS and cryo-electron microscopy.
Authors: Kitaik Lee / Hitendra Negi / Xiang Chen / Katerina Atallah-Yunes / Sophia Truslow / Rithik E Castelino / Mary R Guest / Anthony M Ciancone / Xiuxiu Lu / Sergey G Tarasov / Raj Chari / Kylie ...Authors: Kitaik Lee / Hitendra Negi / Xiang Chen / Katerina Atallah-Yunes / Sophia Truslow / Rithik E Castelino / Mary R Guest / Anthony M Ciancone / Xiuxiu Lu / Sergey G Tarasov / Raj Chari / Kylie J Walters / Francis J O'Reilly /
Abstract: Molecular machines rely on dynamic, low-affinity interactions to perform their functional roles. We developed PhIX-MS (photo-induced in situ crosslinking-mass spectrometry), a structural proteomics ...Molecular machines rely on dynamic, low-affinity interactions to perform their functional roles. We developed PhIX-MS (photo-induced in situ crosslinking-mass spectrometry), a structural proteomics workflow to capture topological information for such transient interactions in cells by UV-activated crosslinking. Applying PhIX-MS with cryo-electron microscopy (cryo-EM) to proteasomes, we mapped the redox sensor TXNL1 at the proteasome regulatory particle (RP), including its dynamic thioredoxin-like domain near RPN2/PSMD1 and RPN13/ADRM1, where it is ideal for reducing substrates prior to proteolysis. RPs without the proteolytic core particle (CP) were structurally resolved while bound to TXNL1 and/or the chaperone PSMD5/S5b, which inserts its C terminus into the ATPase pore, causing extensive structural rearrangements. Additionally, PhIX-MS and AlphaFold identified the ubiquitin ligase UBE3C/Hul5 at RPN2, RPN3, and a dynamic RPN10 region, tethering UBE3C above the substrate entry channel. Our integrative approach enables the localization of native, low-affinity protein interactions and is broadly applicable to dynamic macromolecular assemblies.
History
DepositionJul 18, 2025-
Header (metadata) releaseJul 1, 2026-
Map releaseJul 1, 2026-
UpdateAug 19, 2026-
Current statusAug 19, 2026Processing site: RCSB / Status: Released

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Structure visualization

Supplemental images

emd_71740.png

Downloads & links

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Map

FileDownload / File: emd_71740.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

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AxesZ (Sec.)Y (Row.)X (Col.)
0.81 Å/pix.
x 480 pix.
= 388.8 Å		0.81 Å/pix.
x 480 pix.
= 388.8 Å		0.81 Å/pix.
x 480 pix.
= 388.8 Å

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Images are generated by Spider.

Voxel sizeX=Y=Z: 0.81 Å
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Contour LevelBy AUTHOR: 0.02
Minimum - Maximum-0.09987116 - 0.28791347
Average (Standard dev.)0.0010314916 (±0.012180894)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 388.8 Å
α=β=γ: 90.0 °

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Supplemental data

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Additional map: #1

Fileemd_71740_additional_1.map
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Half map: #2

Fileemd_71740_half_map_1.map
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Half map: #1

Fileemd_71740_half_map_2.map
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Sample components

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Entire : Human proteasome from HCT116 cells

EntireName: Human proteasome from HCT116 cells
Components
  • Complex: Human proteasome from HCT116 cells
    • Protein or peptide: 26S proteasome regulatory subunit 7
    • Protein or peptide: 26S proteasome regulatory subunit 4
    • Protein or peptide: 26S protease regulatory subunit 8
    • Protein or peptide: 26S proteasome regulatory subunit 6B
    • Protein or peptide: 26S protease regulatory subunit 10B
    • Protein or peptide: 26S proteasome regulatory subunit 6A
    • Protein or peptide: Proteasome subunit alpha type-6
    • Protein or peptide: Proteasome subunit alpha type-2
    • Protein or peptide: Proteasome subunit alpha type-4
    • Protein or peptide: Proteasome subunit alpha type-7
    • Protein or peptide: Proteasome subunit alpha type-5
    • Protein or peptide: Isoform Long of Proteasome subunit alpha type-1
    • Protein or peptide: Proteasome subunit alpha type-3
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 1
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 3
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 12
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 11
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 6
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 7
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 13
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 4
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 14
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 8
    • Protein or peptide: 26S proteasome complex subunit SEM1
    • Protein or peptide: 26S proteasome non-ATPase regulatory subunit 2
    • Protein or peptide: Thioredoxin-like protein 1
  • Ligand: PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER
  • Ligand: MAGNESIUM ION
  • Ligand: ADENOSINE-5'-DIPHOSPHATE
  • Ligand: ZINC ION

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Supramolecule #1: Human proteasome from HCT116 cells

SupramoleculeName: Human proteasome from HCT116 cells / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#26
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 1.7 MDa

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Macromolecule #1: 26S proteasome regulatory subunit 7

MacromoleculeName: 26S proteasome regulatory subunit 7 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 48.700805 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MPDYLGADQR KTKEDEKDDK PIRALDEGDI ALLKTYGQST YSRQIKQVED DIQQLLKKIN ELTGIKESDT GLAPPALWDL AADKQTLQS EQPLQVARCT KIINADSEDP KYIINVKQFA KFVVDLSDQV APTDIEEGMR VGVDRNKYQI HIPLPPKIDP T VTMMQVEE ...String:
MPDYLGADQR KTKEDEKDDK PIRALDEGDI ALLKTYGQST YSRQIKQVED DIQQLLKKIN ELTGIKESDT GLAPPALWDL AADKQTLQS EQPLQVARCT KIINADSEDP KYIINVKQFA KFVVDLSDQV APTDIEEGMR VGVDRNKYQI HIPLPPKIDP T VTMMQVEE KPDVTYSDVG GCKEQIEKLR EVVETPLLHP ERFVNLGIEP PKGVLLFGPP GTGKTLCARA VANRTDACFI RV IGSELVQ KYVGEGARMV RELFEMARTK KACLIFFDEI DAIGGARFDD GAGGDNEVQR TMLELINQLD GFDPRGNIKV LMA TNRPDT LDPALMRPGR LDRKIEFSLP DLEGRTHIFK IHARSMSVER DIRFELLARL CPNSTGAEIR SVCTEAGMFA IRAR RKIAT EKDFLEAVNK VIKSYAKFSA TPRYMTYN

UniProtKB: 26S proteasome regulatory subunit 7

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Macromolecule #2: 26S proteasome regulatory subunit 4

MacromoleculeName: 26S proteasome regulatory subunit 4 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 49.260504 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MGQSQSGGHG PGGGKKDDKD KKKKYEPPVP TRVGKKKKKT KGPDAASKLP LVTPHTQCRL KLLKLERIKD YLLMEEEFIR NQEQMKPLE EKQEEERSKV DDLRGTPMSV GTLEEIIDDN HAIVSTSVGS EHYVSILSFV DKDLLEPGCS VLLNHKVHAV I GVLMDDTD ...String:
MGQSQSGGHG PGGGKKDDKD KKKKYEPPVP TRVGKKKKKT KGPDAASKLP LVTPHTQCRL KLLKLERIKD YLLMEEEFIR NQEQMKPLE EKQEEERSKV DDLRGTPMSV GTLEEIIDDN HAIVSTSVGS EHYVSILSFV DKDLLEPGCS VLLNHKVHAV I GVLMDDTD PLVTVMKVEK APQETYADIG GLDNQIQEIK ESVELPLTHP EYYEEMGIKP PKGVILYGPP GTGKTLLAKA VA NQTSATF LRVVGSELIQ KYLGDGPKLV RELFRVAEEH APSIVFIDEI DAIGTKRYDS NSGGEREIQR TMLELLNQLD GFD SRGDVK VIMATNRIET LDPALIRPGR IDRKIEFPLP DEKTKKRIFQ IHTSRMTLAD DVTLDDLIMA KDDLSGADIK AICT EAGLM ALRERRMKVT NEDFKKSKEN VLYKKQEGTP EGLYL

UniProtKB: 26S proteasome regulatory subunit 4

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Macromolecule #3: 26S protease regulatory subunit 8

MacromoleculeName: 26S protease regulatory subunit 8 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 45.694047 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MALDGPEQME LEEGKAGSGL RQYYLSKIEE LQLIVNDKSQ NLRRLQAQRN ELNAKVRLLR EELQLLQEQG SYVGEVVRAM DKKKVLVKV HPEGKFVVDV DKNIDINDVT PNCRVALRND SYTLHKILPN KVDPLVSLMM VEKVPDSTYE MIGGLDKQIK E IKEVIELP ...String:
MALDGPEQME LEEGKAGSGL RQYYLSKIEE LQLIVNDKSQ NLRRLQAQRN ELNAKVRLLR EELQLLQEQG SYVGEVVRAM DKKKVLVKV HPEGKFVVDV DKNIDINDVT PNCRVALRND SYTLHKILPN KVDPLVSLMM VEKVPDSTYE MIGGLDKQIK E IKEVIELP VKHPELFEAL GIAQPKGVLL YGPPGTGKTL LARAVAHHTD CTFIRVSGSE LVQKFIGEGA RMVRELFVMA RE HAPSIIF MDEIDSIGSS RLEGGSGGDS EVQRTMLELL NQLDGFEATK NIKVIMATNR IDILDSALLR PGRIDRKIEF PPP NEEARL DILKIHSRKM NLTRGINLRK IAELMPGASG AEVKGVCTEA GMYALRERRV HVTQEDFEMA VAKVMQKDSE KNMS IKKLW K

UniProtKB: 26S proteasome regulatory subunit 8

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Macromolecule #4: 26S proteasome regulatory subunit 6B

MacromoleculeName: 26S proteasome regulatory subunit 6B / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 47.426141 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MEEIGILVEK AQDEIPALSV SRPQTGLSFL GPEPEDLEDL YSRYKKLQQE LEFLEVQEEY IKDEQKNLKK EFLHAQEEVK RIQSIPLVI GQFLEAVDQN TAIVGSTTGS NYYVRILSTI DRELLKPNAS VALHKHSNAL VDVLPPEADS SIMMLTSDQK P DVMYADIG ...String:
MEEIGILVEK AQDEIPALSV SRPQTGLSFL GPEPEDLEDL YSRYKKLQQE LEFLEVQEEY IKDEQKNLKK EFLHAQEEVK RIQSIPLVI GQFLEAVDQN TAIVGSTTGS NYYVRILSTI DRELLKPNAS VALHKHSNAL VDVLPPEADS SIMMLTSDQK P DVMYADIG GMDIQKQEVR EAVELPLTHF ELYKQIGIDP PRGVLMYGPP GCGKTMLAKA VAHHTTAAFI RVVGSEFVQK YL GEGPRMV RDVFRLAKEN APAIIFIDEI DAIATKRFDA QTGADREVQR ILLELLNQMD GFDQNVNVKV IMATNRADTL DPA LLRPGR LDRKIEFPLP DRRQKRLIFS TITSKMNLSE EVDLEDYVAR PDKISGADIN SICQESGMLA VRENRYIVLA KDFE KAYKT VIKKDEQEHE FYK

UniProtKB: 26S proteasome regulatory subunit 6B

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Macromolecule #5: 26S protease regulatory subunit 10B

MacromoleculeName: 26S protease regulatory subunit 10B / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 44.241008 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MADPRDKALQ DYRKKLLEHK EIDGRLKELR EQLKELTKQY EKSENDLKAL QSVGQIVGEV LKQLTEEKFI VKATNGPRYV VGCRRQLDK SKLKPGTRVA LDMTTLTIMR YLPREVDPLV YNMSHEDPGN VSYSEIGGLS EQIRELREVI ELPLTNPELF Q RVGIIPPK ...String:
MADPRDKALQ DYRKKLLEHK EIDGRLKELR EQLKELTKQY EKSENDLKAL QSVGQIVGEV LKQLTEEKFI VKATNGPRYV VGCRRQLDK SKLKPGTRVA LDMTTLTIMR YLPREVDPLV YNMSHEDPGN VSYSEIGGLS EQIRELREVI ELPLTNPELF Q RVGIIPPK GCLLYGPPGT GKTLLARAVA SQLDCNFLKV VSSSIVDKYI GESARLIREM FNYARDHQPC IIFMDEIDAI GG RRFSEGT SADREIQRTL MELLNQMDGF DTLHRVKMIM ATNRPDTLDP ALLRPGRLDR KIHIDLPNEQ ARLDILKIHA GPI TKHGEI DYEAIVKLSD GFNGADLRNV CTEAGMFAIR ADHDFVVQED FMKAVRKVAD SKKLESKLDY KPV

UniProtKB: 26S proteasome regulatory subunit 10B

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Macromolecule #6: 26S proteasome regulatory subunit 6A

MacromoleculeName: 26S proteasome regulatory subunit 6A / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 49.266457 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MNLLPNIESP VTRQEKMATV WDEAEQDGIG EEVLKMSTEE IIQRTRLLDS EIKIMKSEVL RVTHELQAMK DKIKENSEKI KVNKTLPYL VSNVIELLDV DPNDQEEDGA NIDLDSQRKG KCAVIKTSTR QTYFLPVIGL VDAEKLKPGD LVGVNKDSYL I LETLPTEY ...String:
MNLLPNIESP VTRQEKMATV WDEAEQDGIG EEVLKMSTEE IIQRTRLLDS EIKIMKSEVL RVTHELQAMK DKIKENSEKI KVNKTLPYL VSNVIELLDV DPNDQEEDGA NIDLDSQRKG KCAVIKTSTR QTYFLPVIGL VDAEKLKPGD LVGVNKDSYL I LETLPTEY DSRVKAMEVD ERPTEQYSDI GGLDKQIQEL VEAIVLPMNH KEKFENLGIQ PPKGVLMYGP PGTGKTLLAR AC AAQTKAT FLKLAGPQLV QMFIGDGAKL VRDAFALAKE KAPSIIFIDE LDAIGTKRFD SEKAGDREVQ RTMLELLNQL DGF QPNTQV KVIAATNRVD ILDPALLRSG RLDRKIEFPM PNEEARARIM QIHSRKMNVS PDVNYEELAR CTDDFNGAQC KAVC VEAGM IALRRGATEL THEDYMEGIL EVQAKKKANL QYYA

UniProtKB: 26S proteasome regulatory subunit 6A

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Macromolecule #7: Proteasome subunit alpha type-6

MacromoleculeName: Proteasome subunit alpha type-6 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 27.432459 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MSRGSSAGFD RHITIFSPEG RLYQVEYAFK AINQGGLTSV AVRGKDCAVI VTQKKVPDKL LDSSTVTHLF KITENIGCVM TGMTADSRS QVQRARYEAA NWKYKYGYEI PVDMLCKRIA DISQVYTQNA EMRPLGCCMI LIGIDEEQGP QVYKCDPAGY Y CGFKATAA ...String:
MSRGSSAGFD RHITIFSPEG RLYQVEYAFK AINQGGLTSV AVRGKDCAVI VTQKKVPDKL LDSSTVTHLF KITENIGCVM TGMTADSRS QVQRARYEAA NWKYKYGYEI PVDMLCKRIA DISQVYTQNA EMRPLGCCMI LIGIDEEQGP QVYKCDPAGY Y CGFKATAA GVKQTESTSF LEKKVKKKFD WTFEQTVETA ITCLSTVLSI DFKPSEIEVG VVTVENPKFR ILTEAEIDAH LV ALAERD

UniProtKB: Proteasome subunit alpha type-6

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Macromolecule #8: Proteasome subunit alpha type-2

MacromoleculeName: Proteasome subunit alpha type-2 / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 25.927535 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MAERGYSFSL TTFSPSGKLV QIEYALAAVA GGAPSVGIKA ANGVVLATEK KQKSILYDER SVHKVEPITK HIGLVYSGMG PDYRVLVHR ARKLAQQYYL VYQEPIPTAQ LVQRVASVMQ EYTQSGGVRP FGVSLLICGW NEGRPYLFQS DPSGAYFAWK A TAMGKNYV ...String:
MAERGYSFSL TTFSPSGKLV QIEYALAAVA GGAPSVGIKA ANGVVLATEK KQKSILYDER SVHKVEPITK HIGLVYSGMG PDYRVLVHR ARKLAQQYYL VYQEPIPTAQ LVQRVASVMQ EYTQSGGVRP FGVSLLICGW NEGRPYLFQS DPSGAYFAWK A TAMGKNYV NGKTFLEKRY NEDLELEDAI HTAILTLKES FEGQMTEDNI EVGICNEAGF RRLTPTEVKD YLAAIA

UniProtKB: Proteasome subunit alpha type-2

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Macromolecule #9: Proteasome subunit alpha type-4

MacromoleculeName: Proteasome subunit alpha type-4 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 29.525842 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MSRRYDSRTT IFSPEGRLYQ VEYAMEAIGH AGTCLGILAN DGVLLAAERR NIHKLLDEVF FSEKIYKLNE DMACSVAGIT SDANVLTNE LRLIAQRYLL QYQEPIPCEQ LVTALCDIKQ AYTQFGGKRP FGVSLLYIGW DKHYGFQLYQ SDPSGNYGGW K ATCIGNNS ...String:
MSRRYDSRTT IFSPEGRLYQ VEYAMEAIGH AGTCLGILAN DGVLLAAERR NIHKLLDEVF FSEKIYKLNE DMACSVAGIT SDANVLTNE LRLIAQRYLL QYQEPIPCEQ LVTALCDIKQ AYTQFGGKRP FGVSLLYIGW DKHYGFQLYQ SDPSGNYGGW K ATCIGNNS AAAVSMLKQD YKEGEMTLKS ALALAIKVLN KTMDVSKLSA EKVEIATLTR ENGKTVIRVL KQKEVEQLIK KH EEEEAKA EREKKEKEQK EKDK

UniProtKB: Proteasome subunit alpha type-4

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Macromolecule #10: Proteasome subunit alpha type-7

MacromoleculeName: Proteasome subunit alpha type-7 / type: protein_or_peptide / ID: 10 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 27.929891 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MSYDRAITVF SPDGHLFQVE YAQEAVKKGS TAVGVRGRDI VVLGVEKKSV AKLQDERTVR KICALDDNVC MAFAGLTADA RIVINRARV ECQSHRLTVE DPVTVEYITR YIASLKQRYT QSNGRRPFGI SALIVGFDFD GTPRLYQTDP SGTYHAWKAN A IGRGAKSV ...String:
MSYDRAITVF SPDGHLFQVE YAQEAVKKGS TAVGVRGRDI VVLGVEKKSV AKLQDERTVR KICALDDNVC MAFAGLTADA RIVINRARV ECQSHRLTVE DPVTVEYITR YIASLKQRYT QSNGRRPFGI SALIVGFDFD GTPRLYQTDP SGTYHAWKAN A IGRGAKSV REFLEKNYTD EAIETDDLTI KLVIKALLEV VQSGGKNIEL AVMRRDQSLK ILNPEEIEKY VAEIEKEKEE NE KKKQKKA S

UniProtKB: Proteasome subunit alpha type-7

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Macromolecule #11: Proteasome subunit alpha type-5

MacromoleculeName: Proteasome subunit alpha type-5 / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 26.435977 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFLTRSEYDR GVNTFSPEGR LFQVEYAIEA IKLGSTAIGI QTSEGVCLAV EKRITSPLME PSSIEKIVEI DAHIGCAMSG LIADAKTLI DKARVETQNH WFTYNETMTV ESVTQAVSNL ALQFGEEDAD PGAMSRPFGV ALLFGGVDEK GPQLFHMDPS G TFVQCDAR ...String:
MFLTRSEYDR GVNTFSPEGR LFQVEYAIEA IKLGSTAIGI QTSEGVCLAV EKRITSPLME PSSIEKIVEI DAHIGCAMSG LIADAKTLI DKARVETQNH WFTYNETMTV ESVTQAVSNL ALQFGEEDAD PGAMSRPFGV ALLFGGVDEK GPQLFHMDPS G TFVQCDAR AIGSASEGAQ SSLQEVYHKS MTLKEAIKSS LIILKQVMEE KLNATNIELA TVQPGQNFHM FTKEELEEVI KD I

UniProtKB: Proteasome subunit alpha type-5

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Macromolecule #12: Isoform Long of Proteasome subunit alpha type-1

MacromoleculeName: Isoform Long of Proteasome subunit alpha type-1 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 30.281473 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MQLSKVKFRN QYDNDVTVWS PQGRIHQIEY AMEAVKQGSA TVGLKSKTHA VLVALKRAQS ELAAHQKKIL HVDNHIGISI AGLTADARL LCNFMRQECL DSRFVFDRPL PVSRLVSLIG SKTQIPTQRY GRRPYGVGLL IAGYDDMGPH IFQTCPSANY F DCRAMSIG ...String:
MQLSKVKFRN QYDNDVTVWS PQGRIHQIEY AMEAVKQGSA TVGLKSKTHA VLVALKRAQS ELAAHQKKIL HVDNHIGISI AGLTADARL LCNFMRQECL DSRFVFDRPL PVSRLVSLIG SKTQIPTQRY GRRPYGVGLL IAGYDDMGPH IFQTCPSANY F DCRAMSIG ARSQSARTYL ERHMSEFMEC NLNELVKHGL RALRETLPAE QDLTTKNVSI GIVGKDLEFT IYDDDDVSPF LE GLEERPQ RKAQPAQPAD EPAEKADEPM EH

UniProtKB: Proteasome subunit alpha type-1

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Macromolecule #13: Proteasome subunit alpha type-3

MacromoleculeName: Proteasome subunit alpha type-3 / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 28.469252 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MSSIGTGYDL SASTFSPDGR VFQVEYAMKA VENSSTAIGI RCKDGVVFGV EKLVLSKLYE EGSNKRLFNV DRHVGMAVAG LLADARSLA DIAREEASNF RSNFGYNIPL KHLADRVAMY VHAYTLYSAV RPFGCSFMLG SYSVNDGAQL YMIDPSGVSY G YWGCAIGK ...String:
MSSIGTGYDL SASTFSPDGR VFQVEYAMKA VENSSTAIGI RCKDGVVFGV EKLVLSKLYE EGSNKRLFNV DRHVGMAVAG LLADARSLA DIAREEASNF RSNFGYNIPL KHLADRVAMY VHAYTLYSAV RPFGCSFMLG SYSVNDGAQL YMIDPSGVSY G YWGCAIGK ARQAAKTEIE KLQMKEMTCR DIVKEVAKII YIVHDEVKDK AFELELSWVG ELTNGRHEIV PKDIREEAEK YA KESLKEE DESDDDNM

UniProtKB: Proteasome subunit alpha type-3

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Macromolecule #14: 26S proteasome non-ATPase regulatory subunit 1

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 1 / type: protein_or_peptide / ID: 14 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 105.958234 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MITSAAGIIS LLDEDEPQLK EFALHKLNAV VNDFWAEISE SVDKIEVLYE DEGFRSRQFA ALVASKVFYH LGAFEESLNY ALGAGDLFN VNDNSEYVET IIAKCIDHYT KQCVENADLP EGEKKPIDQR LEGIVNKMFQ RCLDDHKYKQ AIGIALETRR L DVFEKTIL ...String:
MITSAAGIIS LLDEDEPQLK EFALHKLNAV VNDFWAEISE SVDKIEVLYE DEGFRSRQFA ALVASKVFYH LGAFEESLNY ALGAGDLFN VNDNSEYVET IIAKCIDHYT KQCVENADLP EGEKKPIDQR LEGIVNKMFQ RCLDDHKYKQ AIGIALETRR L DVFEKTIL ESNDVPGMLA YSLKLCMSLM QNKQFRNKVL RVLVKIYMNL EKPDFINVCQ CLIFLDDPQA VSDILEKLVK ED NLLMAYQ ICFDLYESAS QQFLSSVIQN LRTVGTPIAS VPGSTNTGTV PGSEKDSDSM ETEEKTSSAF VGKTPEASPE PKD QTLKMI KILSGEMAIE LHLQFLIRNN NTDLMILKNT KDAVRNSVCH TATVIANSFM HCGTTSDQFL RDNLEWLARA TNWA KFTAT ASLGVIHKGH EKEALQLMAT YLPKDTSPGS AYQEGGGLYA LGLIHANHGG DIIDYLLNQL KNASNDIVRH GGSLG LGLA AMGTARQDVY DLLKTNLYQD DAVTGEAAGL ALGLVMLGSK NAQAIEDMVG YAQETQHEKI LRGLAVGIAL VMYGRM EEA DALIESLCRD KDPILRRSGM YTVAMAYCGS GNNKAIRRLL HVAVSDVNDD VRRAAVESLG FILFRTPEQC PSVVSLL SE SYNPHVRYGA AMALGICCAG TGNKEAINLL EPMTNDPVNY VRQGALIASA LIMIQQTEIT CPKVNQFRQL YSKVINDK H DDVMAKFGAI LAQGILDAGG HNVTISLQSR TGHTHMPSVV GVLVFTQFWF WFPLSHFLSL AYTPTCVIGL NKDLKMPKV QYKSNCKPST FAYPAPLEVP KEKEKEKVST AVLSITAKAK KKEKEKEKKE EEKMEVDEAE KKEEKEKKKE PEPNFQLLDN PARVMPAQL KVLTMPETCR YQPFKPLSIG GIIILKDTSE DIEELVEPVA AHGPKIEEEE QEPEPPEPFE YIDD

UniProtKB: 26S proteasome non-ATPase regulatory subunit 1

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Macromolecule #15: 26S proteasome non-ATPase regulatory subunit 3

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 3 / type: protein_or_peptide / ID: 15 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 61.0665 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MKQEGSARRR GADKAKPPPG GGEQEPPPPP APQDVEMKEE AATGGGSTGE ADGKTAAAAA EHSQRELDTV TLEDIKEHVK QLEKAVSGK EPRFVLRALR MLPSTSRRLN HYVLYKAVQG FFTSNNATRD FLLPFLEEPM DTEADLQFRP RTGKAASTPL L PEVEAYLQ ...String:
MKQEGSARRR GADKAKPPPG GGEQEPPPPP APQDVEMKEE AATGGGSTGE ADGKTAAAAA EHSQRELDTV TLEDIKEHVK QLEKAVSGK EPRFVLRALR MLPSTSRRLN HYVLYKAVQG FFTSNNATRD FLLPFLEEPM DTEADLQFRP RTGKAASTPL L PEVEAYLQ LLVVIFMMNS KRYKEAQKIS DDLMQKISTQ NRRALDLVAA KCYYYHARVY EFLDKLDVVR SFLHARLRTA TL RHDADGQ ATLLNLLLRN YLHYSLYDQA EKLVSKSVFP EQANNNEWAR YLYYTGRIKA IQLEYSEARR TMTNALRKAP QHT AVGFKQ TVHKLLIVVE LLLGEIPDRL QFRQPSLKRS LMPYFLLTQA VRTGNLAKFN QVLDQFGEKF QADGTYTLII RLRH NVIKT GVRMISLSYS RISLADIAQK LQLDSPEDAE FIVAKAIRDG VIEASINHEK GYVQSKEMID IYSTREPQLA FHQRI SFCL DIHNMSVKAM RFPPKSYNKD LESAEERRER EQQDLEFAKE MAEDDDDSFP

UniProtKB: 26S proteasome non-ATPase regulatory subunit 3

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Macromolecule #16: 26S proteasome non-ATPase regulatory subunit 12

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 12 / type: protein_or_peptide / ID: 16 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 52.979359 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MADGGSERAD GRIVKMEVDY SATVDQRLPE CAKLAKEGRL QEVIETLLSL EKQTRTASDM VSTSRILVAV VKMCYEAKEW DLLNENIML LSKRRSQLKQ AVAKMVQQCC TYVEEITDLP IKLRLIDTLR MVTEGKIYVE IERARLTKTL ATIKEQNGDV K EAASILQE ...String:
MADGGSERAD GRIVKMEVDY SATVDQRLPE CAKLAKEGRL QEVIETLLSL EKQTRTASDM VSTSRILVAV VKMCYEAKEW DLLNENIML LSKRRSQLKQ AVAKMVQQCC TYVEEITDLP IKLRLIDTLR MVTEGKIYVE IERARLTKTL ATIKEQNGDV K EAASILQE LQVETYGSME KKERVEFILE QMRLCLAVKD YIRTQIISKK INTKFFQEEN TEKLKLKYYN LMIQLDQHEG SY LSICKHY RAIYDTPCIQ AESEKWQQAL KSVVLYVILA PFDNEQSDLV HRISGDKKLE EIPKYKDLLK LFTTMELMRW STL VEDYGM ELRKGSLESP ATDVFGSTEE GEKRWKDLKN RVVEHNIRIM AKYYTRITMK RMAQLLDLSV DESEAFLSNL VVNK TIFAK VDRLAGIINF QRPKDPNNLL NDWSQKLNSL MSLVNKTTHL IAKEEMIHNL Q

UniProtKB: 26S proteasome non-ATPase regulatory subunit 12

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Macromolecule #17: 26S proteasome non-ATPase regulatory subunit 11

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 11 / type: protein_or_peptide / ID: 17 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 47.526688 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MAAAAVVEFQ RAQSLLSTDR EASIDILHSI VKRDIQENDE EAVQVKEQSI LELGSLLAKT GQAAELGGLL KYVRPFLNSI SKAKAARLV RSLLDLFLDM EAATGQEVEL CLECIEWAKS EKRTFLRQAL EARLVSLYFD TKRYQEALHL GSQLLRELKK M DDKALLVE ...String:
MAAAAVVEFQ RAQSLLSTDR EASIDILHSI VKRDIQENDE EAVQVKEQSI LELGSLLAKT GQAAELGGLL KYVRPFLNSI SKAKAARLV RSLLDLFLDM EAATGQEVEL CLECIEWAKS EKRTFLRQAL EARLVSLYFD TKRYQEALHL GSQLLRELKK M DDKALLVE VQLLESKTYH ALSNLPKARA ALTSARTTAN AIYCPPKLQA TLDMQSGIIH AAEEKDWKTA YSYFYEAFEG YD SIDSPKA ITSLKYMLLC KIMLNTPEDV QALVSGKLAL RYAGRQTEAL KCVAQASKNR SLADFEKALT DYRAELRDDP IIS THLAKL YDNLLEQNLI RVIEPFSRVQ IEHISSLIKL SKADVERKLS QMILDKKFHG ILDQGEGVLI IFDEPPVDKT YEAA LETIQ NMSKVVDSLY NKAKKLT

UniProtKB: 26S proteasome non-ATPase regulatory subunit 11

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Macromolecule #18: 26S proteasome non-ATPase regulatory subunit 6

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 6 / type: protein_or_peptide / ID: 18 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 45.592285 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MPLENLEEEG LPKNPDLRIA QLRFLLSLPE HRGDAAVRDE LMAAVRDNNM APYYEALCKS LDWQIDVDLL NKMKKANEDE LKRLDEELE DAEKNLGESE IRDAMMAKAE YLCRIGDKEG ALTAFRKTYD KTVALGHRLD IVFYLLRIGL FYMDNDLITR N TEKAKSLI ...String:
MPLENLEEEG LPKNPDLRIA QLRFLLSLPE HRGDAAVRDE LMAAVRDNNM APYYEALCKS LDWQIDVDLL NKMKKANEDE LKRLDEELE DAEKNLGESE IRDAMMAKAE YLCRIGDKEG ALTAFRKTYD KTVALGHRLD IVFYLLRIGL FYMDNDLITR N TEKAKSLI EEGGDWDRRN RLKVYQGLYC VAIRDFKQAA ELFLDTVSTF TSYELMDYKT FVTYTVYVSM IALERPDLRE KV IKGAEIL EVLHSLPAVR QYLFSLYECR YSVFFQSLAV VEQEMKKDWL FAPHYRYYVR EMRIHAYSQL LESYRSLTLG YMA EAFGVG VEFIDQELSR FIAAGRLHCK IDKVNEIVET NRPDSKNWQY QETIKKGDLL LNRVQKLSRV INM

UniProtKB: 26S proteasome non-ATPase regulatory subunit 6

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Macromolecule #19: 26S proteasome non-ATPase regulatory subunit 7

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 7 / type: protein_or_peptide / ID: 19 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 37.086441 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MPELAVQKVV VHPLVLLSVV DHFNRIGKVG NQKRVVGVLL GSWQKKVLDV SNSFAVPFDE DDKDDSVWFL DHDYLENMYG MFKKVNARE RIVGWYHTGP KLHKNDIAIN ELMKRYCPNS VLVIIDVKPK DLGLPTEAYI SVEEVHDDGT PTSKTFEHVT S EIGAEEAE ...String:
MPELAVQKVV VHPLVLLSVV DHFNRIGKVG NQKRVVGVLL GSWQKKVLDV SNSFAVPFDE DDKDDSVWFL DHDYLENMYG MFKKVNARE RIVGWYHTGP KLHKNDIAIN ELMKRYCPNS VLVIIDVKPK DLGLPTEAYI SVEEVHDDGT PTSKTFEHVT S EIGAEEAE EVGVEHLLRD IKDTTVGTLS QRITNQVHGL KGLNSKLLDI RSYLEKVATG KLPINHQIIY QLQDVFNLLP DV SLQEFVK AFYLKTNDQM VVVYLASLIR SVVALHNLIN NKIANRDAEK KEGQEKEESK KDRKEDKEKD KDKEKSDVKK EEK KEKK

UniProtKB: 26S proteasome non-ATPase regulatory subunit 7

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Macromolecule #20: 26S proteasome non-ATPase regulatory subunit 13

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 13 / type: protein_or_peptide / ID: 20 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 42.995359 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MKDVPGFLQQ SQNSGPGQPA VWHRLEELYT KKLWHQLTLQ VLDFVQDPCF AQGDGLIKLY ENFISEFEHR VNPLSLVEII LHVVRQMTD PNVALTFLEK TREKVKSSDE AVILCKTAIG ALKLNIGDLQ VTKETIEDVE EMLNNLPGVT SVHSRFYDLS S KYYQTIGN ...String:
MKDVPGFLQQ SQNSGPGQPA VWHRLEELYT KKLWHQLTLQ VLDFVQDPCF AQGDGLIKLY ENFISEFEHR VNPLSLVEII LHVVRQMTD PNVALTFLEK TREKVKSSDE AVILCKTAIG ALKLNIGDLQ VTKETIEDVE EMLNNLPGVT SVHSRFYDLS S KYYQTIGN HASYYKDALR FLGCVDIKDL PVSEQQERAF TLGLAGLLGE GVFNFGELLM HPVLESLRNT DRQWLIDTLY AF NSGNVER FQTLKTAWGQ QPDLAANEAQ LLRKIQLLCL MEMTFTRPAN HRQLTFEEIA KSAKITVNEV ELLVMKALSV GLV KGSIDE VDKRVHMTWV QPRVLDLQQI KGMKDRLEFW CTDVKSMEML VEHQAHDILT

UniProtKB: 26S proteasome non-ATPase regulatory subunit 13

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Macromolecule #21: 26S proteasome non-ATPase regulatory subunit 4

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 4 / type: protein_or_peptide / ID: 21 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 40.78159 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MVLESTMVCV DNSEYMRNGD FLPTRLQAQQ DAVNIVCHSK TRSNPENNVG LITLANDCEV LTTLTPDTGR ILSKLHTVQP KGKITFCTG IRVAHLALKH RQGKNHKMRI IAFVGSPVED NEKDLVKLAK RLKKEKVNVD IINFGEEEVN TEKLTAFVNT L NGKDGTGS ...String:
MVLESTMVCV DNSEYMRNGD FLPTRLQAQQ DAVNIVCHSK TRSNPENNVG LITLANDCEV LTTLTPDTGR ILSKLHTVQP KGKITFCTG IRVAHLALKH RQGKNHKMRI IAFVGSPVED NEKDLVKLAK RLKKEKVNVD IINFGEEEVN TEKLTAFVNT L NGKDGTGS HLVTVPPGPS LADALISSPI LAGEGGAMLG LGASDFEFGV DPSADPELAL ALRVSMEEQR QRQEEEARRA AA ASAAEAG IATTGTEDSD DALLKMTISQ QEFGRTGLPD LSSMTEEEQI AYAMQMSLQG AEFGQAESAD IDASSAMDTS EPA KEEDDY DVMQDPEFLQ SVLENLPGVD PNNEAIRNAM GSLASQATKD GKKDKKEEDK K

UniProtKB: 26S proteasome non-ATPase regulatory subunit 4

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Macromolecule #22: 26S proteasome non-ATPase regulatory subunit 14

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 14 / type: protein_or_peptide / ID: 22 / Number of copies: 1 / Enantiomer: LEVO
EC number: Hydrolases; Acting on peptide bonds (peptidases); Omega peptidases
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 34.620023 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MDRLLRLGGG MPGLGQGPPT DAPAVDTAEQ VYISSLALLK MLKHGRAGVP MEVMGLMLGE FVDDYTVRVI DVFAMPQSGT GVSVEAVDP VFQAKMLDML KQTGRPEMVV GWYHSHPGFG CWLSGVDINT QQSFEALSER AVAVVVDPIQ SVKGKVVIDA F RLINANMM ...String:
MDRLLRLGGG MPGLGQGPPT DAPAVDTAEQ VYISSLALLK MLKHGRAGVP MEVMGLMLGE FVDDYTVRVI DVFAMPQSGT GVSVEAVDP VFQAKMLDML KQTGRPEMVV GWYHSHPGFG CWLSGVDINT QQSFEALSER AVAVVVDPIQ SVKGKVVIDA F RLINANMM VLGHEPRQTT SNLGHLNKPS IQALIHGLNR HYYSITINYR KNELEQKMLL NLHKKSWMEG LTLQDYSEHC KH NESVVKE MLELAKNYNK AVEEEDKMTP EQLAIKNVGK QDPKRHLEEH VDVLMTSNIV QCLAAMLDTV VFK

UniProtKB: Ubiquitin C-terminal hydrolase PSMD14

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Macromolecule #23: 26S proteasome non-ATPase regulatory subunit 8

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 8 / type: protein_or_peptide / ID: 23 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 39.667871 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MFIKGRAPRA PPRERRRATR GGLRQVVAPP RALGSTSRPH FRRASVCRRR CRKSGGLLAA SRKMAAAAVN GAAGFSSSGP AATSGAVLQ AATGMYEQLK GEWNRKSPNL SKCGEELGRL KLVLLELNFL PTTGTKLTKQ QLILARDILE IGAQWSILRK D IPSFERYM ...String:
MFIKGRAPRA PPRERRRATR GGLRQVVAPP RALGSTSRPH FRRASVCRRR CRKSGGLLAA SRKMAAAAVN GAAGFSSSGP AATSGAVLQ AATGMYEQLK GEWNRKSPNL SKCGEELGRL KLVLLELNFL PTTGTKLTKQ QLILARDILE IGAQWSILRK D IPSFERYM AQLKCYYFDY KEQLPESAYM HQLLGLNLLF LLSQNRVAEF HTELERLPAK DIQTNVYIKH PVSLEQYLME GS YNKVFLA KGNIPAESYT FFIDILLDTI RDEIAGCIEK AYEKILFTEA TRILFFNTPK KMTDYAKKRG WVLGPNNYYS FAS QQQKPE DTTIPSTELA KQVIEYARQL EMIV

UniProtKB: 26S proteasome non-ATPase regulatory subunit 8

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Macromolecule #24: 26S proteasome complex subunit SEM1

MacromoleculeName: 26S proteasome complex subunit SEM1 / type: protein_or_peptide / ID: 24 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 8.284611 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
MSEKKQPVDL GLLEEDDEFE EFPAEDWAGL DEDEDAHVWE DNWDDDNVED DFSNQLRAEL EKHGYKMETS

UniProtKB: 26S proteasome complex subunit SEM1

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Macromolecule #25: 26S proteasome non-ATPase regulatory subunit 2

MacromoleculeName: 26S proteasome non-ATPase regulatory subunit 2 / type: protein_or_peptide / ID: 25 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 100.313625 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MEEGGRDKAP VQPQQSPAAA PGGTDEKPSG KERRDAGDKD KEQELSEEDK QLQDELEMLV ERLGEKDTSL YRPALEELRR QIRSSTTSM TSVPKPLKFL RPHYGKLKEI YENMAPGENK RFAADIISVL AMTMSGEREC LKYRLVGSQE ELASWGHEYV R HLAGEVAK ...String:
MEEGGRDKAP VQPQQSPAAA PGGTDEKPSG KERRDAGDKD KEQELSEEDK QLQDELEMLV ERLGEKDTSL YRPALEELRR QIRSSTTSM TSVPKPLKFL RPHYGKLKEI YENMAPGENK RFAADIISVL AMTMSGEREC LKYRLVGSQE ELASWGHEYV R HLAGEVAK EWQELDDAEK VQREPLLTLV KEIVPYNMAH NAEHEACDLL MEIEQVDMLE KDIDENAYAK VCLYLTSCVN YV PEPENSA LLRCALGVFR KFSRFPEALR LALMLNDMEL VEDIFTSCKD VVVQKQMAFM LGRHGVFLEL SEDVEEYEDL TEI MSNVQL NSNFLALARE LDIMEPKVPD DIYKTHLENN RFGGSGSQVD SARMNLASSF VNGFVNAAFG QDKLLTDDGN KWLY KNKDH GMLSAAASLG MILLWDVDGG LTQIDKYLYS SEDYIKSGAL LACGIVNSGV RNECDPALAL LSDYVLHNSN TMRLG SIFG LGLAYAGSNR EDVLTLLLPV MGDSKSSMEV AGVTALACGM IAVGSCNGDV TSTILQTIME KSETELKDTY ARWLPL GLG LNHLGKGEAI EAILAALEVV SEPFRSFANT LVDVCAYAGS GNVLKVQQLL HICSEHFDSK EKEEDKDKKE KKDKDKK EA PADMGAHQGV AVLGIALIAM GEEIGAEMAL RTFGHLLRYG EPTLRRAVPL ALALISVSNP RLNILDTLSK FSHDADPE V SYNSIFAMGM VGSGTNNARL AAMLRQLAQY HAKDPNNLFM VRLAQGLTHL GKGTLTLCPY HSDRQLMSQV AVAGLLTVL VSFLDVRNII LGKSHYVLYG LVAAMQPRML VTFDEELRPL PVSVRVGQAV DVVGQAGKPK TITGFQTHTT PVLLAHGERA ELATEEFLP VTPILEGFVI LRKNPNYDL

UniProtKB: 26S proteasome non-ATPase regulatory subunit 2

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Macromolecule #26: Thioredoxin-like protein 1

MacromoleculeName: Thioredoxin-like protein 1 / type: protein_or_peptide / ID: 26 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 32.284229 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MVGVKPVGSD PDFQPELSGA GSRLAVVKFT MRGCGPCLRI APAFSSMSNK YPQAVFLEVD VHQCQGTAAT NNISATPTFL FFRNKVRID QYQGADAVGL EEKIKQHLEN DPGSNEDTDI PKGYMDLMPF INKAGCECLN ESDEHGFDNC LRKDTTFLES D CDEQLLIT ...String:
MVGVKPVGSD PDFQPELSGA GSRLAVVKFT MRGCGPCLRI APAFSSMSNK YPQAVFLEVD VHQCQGTAAT NNISATPTFL FFRNKVRID QYQGADAVGL EEKIKQHLEN DPGSNEDTDI PKGYMDLMPF INKAGCECLN ESDEHGFDNC LRKDTTFLES D CDEQLLIT VAFNQPVKLY SMKFQGPDNG QGPKYVKIFI NLPRSMDFEE AERSEPTQAL ELTEDDIKED GIVPLRYVKF QN VNSVTIF VQSNQGEEET TRISYFTFIG TPVQATNMND FKRVVGKKGE SH

UniProtKB: Thioredoxin-like protein 1

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Macromolecule #27: PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER

MacromoleculeName: PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER / type: ligand / ID: 27 / Number of copies: 4 / Formula: AGS
Molecular weightTheoretical: 523.247 Da
Chemical component information

ChemComp-AGS:
PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER / ATP-gamma-S, energy-carrying molecule analogue*YM

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Macromolecule #28: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 28 / Number of copies: 3 / Formula: MG
Molecular weightTheoretical: 24.305 Da

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Macromolecule #29: ADENOSINE-5'-DIPHOSPHATE

MacromoleculeName: ADENOSINE-5'-DIPHOSPHATE / type: ligand / ID: 29 / Number of copies: 1 / Formula: ADP
Molecular weightTheoretical: 427.201 Da
Chemical component information

ChemComp-ADP:
ADENOSINE-5'-DIPHOSPHATE / ADP, energy-carrying molecule*YM

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Macromolecule #30: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 30 / Number of copies: 1 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration0.75 mg/mL
BufferpH: 7.5
Component:
ConcentrationFormulaName
50.0 mMC4H12NO3ClTris(hydroxymethyl)aminomethane hydrochloride
50.0 mMNaClSodium Chloride
1.5 mMC10H12N5O12P3SATP-gamma-S
5.0 mMMgCl2Magnesium chloride
2.0 mM(CH(OH)CH2SH)2Dithiothreitol

Details: 50 mM Tris [pH7.5], 50 mM NaCl, 1.5 mM ATP-gamma-S, 5 mM MgCl2 and 2 mM DTT
GridModel: Quantifoil R1.2/1.3 / Material: COPPER / Mesh: 300 / Pretreatment - Type: GLOW DISCHARGE / Pretreatment - Time: 30 sec. / Pretreatment - Atmosphere: AIR / Details: 25 mA
VitrificationCryogen name: ETHANE / Chamber humidity: 85 % / Chamber temperature: 295.15 K / Instrument: LEICA EM GP
DetailsQuantifoil copper R 1.2/1.3 holey carbon 300 mesh grids (#Q3100CR1.3; Electron Microscopy Sciences).

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Electron microscopy

MicroscopeFEI TALOS ARCTICA
Specialist opticsEnergy filter - Name: GIF Bioquantum
Image recordingFilm or detector model: GATAN K3 (6k x 4k) / Digitization - Dimensions - Width: 5760 pixel / Digitization - Dimensions - Height: 4092 pixel / Number real images: 40 / Average exposure time: 2.5 sec. / Average electron dose: 55.6 e/Å2
Electron beamAcceleration voltage: 200 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.0 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 100000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Cooling holder cryogen: NITROGEN
Experimental equipment
Model: Talos Arctica / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 1883666
CTF correctionSoftware - Name: cryoSPARC (ver. 4.5.3) / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7wsi

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.82 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 4.5.3) / Number images used: 143635
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.5.3)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.5.3)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial model
PDB IDChain

7wsi

chain_id: A, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: B, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: C, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: D, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: E, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: F, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: G, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: H, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: I, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: J, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: K, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: L, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: M, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: U, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: V, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: W, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: X, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: Y, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: Z, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: a, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: b, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: c, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: d, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: e, source_name: PDB, initial_model_type: experimental model

7wsi

chain_id: f, source_name: PDB, initial_model_type: experimental model

1wwy

chain_id: g, source_name: PDB, initial_model_type: experimental model

1gh2

chain_id: g, source_name: PDB, initial_model_type: experimental model
RefinementSpace: REAL / Protocol: RIGID BODY FIT / Overall B value: 220 / Target criteria: Cross-correlation coefficient
Output model

PDB-9pmo:
Human 26S proteasome bound to TXNL1 with opened gate of core particle

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