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- PDB-5gjr: An atomic structure of the human 26S proteasome -

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Basic information

Entry
Database: PDB / ID: 5gjr
TitleAn atomic structure of the human 26S proteasome
Components
  • (26S protease regulatory subunit ...) x 6
  • (26S proteasome non-ATPase regulatory subunit ...) x 11
  • (Proteasome subunit alpha type- ...) x 7
  • (Proteasome subunit beta type- ...) x 7
  • 26S proteasome complex subunit DSS1
KeywordsHYDROLASE / protein complex / human proteasome
Function / homology
Function and homology information


positive regulation of inclusion body assembly / thyrotropin-releasing hormone receptor binding / modulation by host of viral transcription / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / cytosolic proteasome complex / Hydrolases; Acting on peptide bonds (peptidases); Omega peptidases / proteasome accessory complex / integrator complex / purine ribonucleoside triphosphate binding ...positive regulation of inclusion body assembly / thyrotropin-releasing hormone receptor binding / modulation by host of viral transcription / Impaired BRCA2 translocation to the nucleus / Impaired BRCA2 binding to SEM1 (DSS1) / cytosolic proteasome complex / Hydrolases; Acting on peptide bonds (peptidases); Omega peptidases / proteasome accessory complex / integrator complex / purine ribonucleoside triphosphate binding / meiosis I / proteasome regulatory particle / positive regulation of proteasomal protein catabolic process / proteasome-activating activity / proteasome regulatory particle, lid subcomplex / proteasome regulatory particle, base subcomplex / metal-dependent deubiquitinase activity / negative regulation of programmed cell death / protein K63-linked deubiquitination / Regulation of ornithine decarboxylase (ODC) / Proteasome assembly / 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 / Cross-presentation of soluble exogenous antigens (endosomes) / Resolution of D-loop Structures through Synthesis-Dependent Strand Annealing (SDSA) / proteasome core complex / Resolution of D-loop Structures through Holliday Junction Intermediates / Somitogenesis / K63-linked deubiquitinase activity / Impaired BRCA2 binding to RAD51 / proteasome binding / transcription factor binding / regulation of protein catabolic process / myofibril / proteasome storage granule / Presynaptic phase of homologous DNA pairing and strand exchange / general transcription initiation factor binding / blastocyst development / polyubiquitin modification-dependent protein binding / immune system process / positive regulation of RNA polymerase II transcription preinitiation complex assembly / protein deubiquitination / endopeptidase activator activity / NF-kappaB binding / proteasome endopeptidase complex / proteasome core complex, beta-subunit complex / proteasome assembly / threonine-type endopeptidase activity / proteasome core complex, alpha-subunit complex / mRNA export from nucleus / SARS-CoV-1 targets host intracellular signalling and regulatory pathways / inclusion body / enzyme regulator activity / ERAD pathway / regulation of proteasomal protein catabolic process / proteasome complex / proteolysis involved in protein catabolic process / sarcomere / Regulation of activated PAK-2p34 by proteasome mediated degradation / Autodegradation of Cdh1 by Cdh1:APC/C / 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 / SCF-beta-TrCP mediated degradation of Emi1 / NIK-->noncanonical NF-kB signaling / stem cell differentiation / TNFR2 non-canonical NF-kB pathway / AUF1 (hnRNP D0) binds and destabilizes mRNA / Vpu mediated degradation of CD4 / Assembly of the pre-replicative complex / Ubiquitin Mediated Degradation of Phosphorylated Cdc25A / Degradation of DVL / Cdc20:Phospho-APC/C mediated degradation of Cyclin A / Dectin-1 mediated noncanonical NF-kB signaling / lipopolysaccharide binding / Degradation of AXIN / Hh mutants are degraded by ERAD / negative regulation of inflammatory response to antigenic stimulus / P-body / Activation of NF-kappaB in B cells / Degradation of GLI1 by the proteasome / Hedgehog ligand biogenesis / G2/M Checkpoints / Defective CFTR causes cystic fibrosis / GSK3B and BTRC:CUL1-mediated-degradation of NFE2L2 / Autodegradation of the E3 ubiquitin ligase COP1 / Negative regulation of NOTCH4 signaling / Vif-mediated degradation of APOBEC3G / Regulation of RUNX3 expression and activity / double-strand break repair via homologous recombination / Hedgehog 'on' state / Degradation of GLI2 by the proteasome / GLI3 is processed to GLI3R by the proteasome / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / APC/C:Cdh1 mediated degradation of Cdc20 and other APC/C:Cdh1 targeted proteins in late mitosis/early G1 / MAPK6/MAPK4 signaling / :
Similarity search - Function
: / Ubiquitin interaction motif / : / 26S proteasome regulatory subunit RPN7/PSMD6 C-terminal helix / 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 ...: / Ubiquitin interaction motif / : / 26S proteasome regulatory subunit RPN7/PSMD6 C-terminal helix / 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 / : / 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 / DSS1/SEM1 / Proteasome subunit Rpn10 / 26S Proteasome non-ATPase regulatory subunit 7/8 / DSS1/SEM1 family / DSS1_SEM1 / 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 / : / 26S proteasome regulatory subunit 7, OB 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 / Proteasome/cyclosome repeat / Proteasome/cyclosome repeat / Ubiquitin-interacting motif. / PCI/PINT associated module / : / von Willebrand factor type A domain / Proteasomal ATPase OB C-terminal domain / Proteasomal ATPase OB C-terminal domain / CSN8/PSMD8/EIF3K / CSN8/PSMD8/EIF3K family / Proteasome subunit alpha 1 / HEAT repeats / Rpn11/EIF3F, C-terminal / Maintenance of mitochondrial structure and function / : / motif in proteasome subunits, Int-6, Nip-1 and TRIP-15 / 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 / Proteasome beta subunit, C-terminal / Proteasome beta subunits C terminal / Proteasome subunit beta 4 / Proteasome subunit beta 2 / Proteasome beta 3 subunit / Proteasome subunit alpha6 / Proteasome subunit alpha5 / Proteasome beta-type subunits signature. / Peptidase T1A, proteasome beta-subunit / 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 / von Willebrand factor (vWF) type A domain / VWFA domain profile. / Proteasome B-type subunit / Proteasome beta-type subunit profile. / : / Proteasome alpha-type subunit / Proteasome alpha-type subunit profile. / Proteasome subunit / Proteasome, subunit alpha/beta / von Willebrand factor, type A / AAA ATPase, AAA+ lid domain / AAA+ lid domain / JAB/MPN domain / JAB1/MPN/MOV34 metalloenzyme domain / ATPase, AAA-type, conserved site / AAA-protein family signature. / MPN domain / MPN domain profile. / Nucleophile aminohydrolases, N-terminal / von Willebrand factor A-like domain superfamily / ATPase family associated with various cellular activities (AAA)
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / 26S proteasome non-ATPase regulatory subunit 11 / 26S proteasome non-ATPase regulatory subunit 12 / 26S proteasome non-ATPase regulatory subunit 14 / Proteasome subunit alpha type-7 / 26S proteasome non-ATPase regulatory subunit 3 / 26S proteasome regulatory subunit 6A / Proteasome subunit beta type-1 / Proteasome subunit alpha type-1 / Proteasome subunit alpha type-2 ...ADENOSINE-5'-DIPHOSPHATE / 26S proteasome non-ATPase regulatory subunit 11 / 26S proteasome non-ATPase regulatory subunit 12 / 26S proteasome non-ATPase regulatory subunit 14 / Proteasome subunit alpha type-7 / 26S proteasome non-ATPase regulatory subunit 3 / 26S proteasome regulatory subunit 6A / Proteasome subunit beta type-1 / 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 / Proteasome subunit beta type-4 / Proteasome subunit beta type-6 / Proteasome subunit beta type-5 / 26S proteasome regulatory subunit 7 / 26S proteasome regulatory subunit 6B / 26S proteasome non-ATPase regulatory subunit 8 / Proteasome subunit beta type-3 / Proteasome subunit beta type-2 / 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 / Proteasome subunit beta type-7 / 26S proteasome non-ATPase regulatory subunit 1 / 26S proteasome non-ATPase regulatory subunit 13
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.5 Å
AuthorsHuang, X.L. / Luan, B. / Wu, J.P. / Shi, Y.G.
Funding support China, 3items
OrganizationGrant numberCountry
National Natural Science Foundation of China31130002 China
National Natural Science Foundation of China31321062 China
National Natural Science Foundation of China31430020 China
CitationJournal: Nat Struct Mol Biol / Year: 2016
Title: An atomic structure of the human 26S proteasome.
Authors: Xiuliang Huang / Bai Luan / Jianping Wu / Yigong Shi /
Abstract: We report the cryo-EM structure of the human 26S proteasome at an average resolution of 3.5 Å, allowing atomic modeling of 28 subunits in the core particle (CP) and 18 subunits in the regulatory ...We report the cryo-EM structure of the human 26S proteasome at an average resolution of 3.5 Å, allowing atomic modeling of 28 subunits in the core particle (CP) and 18 subunits in the regulatory particle (RP). The C-terminal residues of Rpt3 and Rpt5 subunits in the RP can be seen inserted into surface pockets formed between adjacent α subunits in the CP. Each of the six Rpt subunits contains a bound nucleotide, and the central gate of the CP α-ring is closed despite RP association. The six pore 1 loops in the Rpt ring are arranged similarly to a spiral staircase along the axial channel of substrate transport, which is constricted by the pore 2 loops. We also determined the cryo-EM structure of the human proteasome bound to the deubiquitinating enzyme USP14 at 4.35-Å resolution. Together, our structures provide a framework for mechanistic understanding of eukaryotic proteasome function.
History
DepositionJul 1, 2016Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Sep 7, 2016Provider: repository / Type: Initial release
Revision 1.1Apr 5, 2017Group: Database references
Revision 1.2Oct 9, 2019Group: Advisory / Data collection ...Advisory / Data collection / Other / Structure summary
Category: atom_sites / cell ...atom_sites / cell / em_entity_assembly / pdbx_validate_close_contact
Item: _atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[2][1] ..._atom_sites.fract_transf_matrix[1][1] / _atom_sites.fract_transf_matrix[2][1] / _atom_sites.fract_transf_matrix[2][2] / _atom_sites.fract_transf_matrix[3][2] / _atom_sites.fract_transf_matrix[3][3] / _cell.Z_PDB / _cell.length_a / _cell.length_b / _cell.length_c / _em_entity_assembly.entity_id_list / _pdbx_validate_close_contact.auth_asym_id_1 / _pdbx_validate_close_contact.auth_asym_id_2
Revision 1.3Oct 16, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / em_admin / pdbx_entry_details / pdbx_modification_feature
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _em_admin.last_update

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Assembly

Deposited unit
I: 26S protease regulatory subunit 4
H: 26S protease regulatory subunit 7
L: 26S protease regulatory subunit 10B
M: 26S protease regulatory subunit 6A
J: 26S protease regulatory subunit 8
K: 26S protease regulatory subunit 6B
N: 26S proteasome non-ATPase regulatory subunit 1
O: 26S proteasome non-ATPase regulatory subunit 13
P: 26S proteasome non-ATPase regulatory subunit 12
Q: 26S proteasome non-ATPase regulatory subunit 11
R: 26S proteasome non-ATPase regulatory subunit 6
S: 26S proteasome non-ATPase regulatory subunit 3
T: 26S proteasome non-ATPase regulatory subunit 8
U: 26S proteasome non-ATPase regulatory subunit 7
V: 26S proteasome non-ATPase regulatory subunit 14
W: 26S proteasome non-ATPase regulatory subunit 4
Y: 26S proteasome complex subunit DSS1
Z: 26S proteasome non-ATPase regulatory subunit 2
B: Proteasome subunit alpha type-6
C: Proteasome subunit alpha type-2
D: Proteasome subunit alpha type-4
E: Proteasome subunit alpha type-7
F: Proteasome subunit alpha type-5
G: Proteasome subunit alpha type-1
X: Proteasome subunit alpha type-3
a: Proteasome subunit beta type-6
b: Proteasome subunit beta type-7
c: Proteasome subunit beta type-3
d: Proteasome subunit beta type-2
e: Proteasome subunit beta type-5
f: Proteasome subunit beta type-1
g: Proteasome subunit beta type-4
h: Proteasome subunit alpha type-6
i: Proteasome subunit alpha type-2
j: Proteasome subunit alpha type-4
k: Proteasome subunit alpha type-7
l: Proteasome subunit alpha type-5
m: Proteasome subunit alpha type-1
n: Proteasome subunit alpha type-3
o: Proteasome subunit beta type-6
p: Proteasome subunit beta type-7
q: Proteasome subunit beta type-3
r: Proteasome subunit beta type-2
s: Proteasome subunit beta type-5
t: Proteasome subunit beta type-1
u: Proteasome subunit beta type-4
v: 26S protease regulatory subunit 7
w: 26S protease regulatory subunit 4
x: 26S protease regulatory subunit 8
y: 26S protease regulatory subunit 6B
z: 26S protease regulatory subunit 10B
0: 26S protease regulatory subunit 6A
1: 26S proteasome non-ATPase regulatory subunit 1
2: 26S proteasome non-ATPase regulatory subunit 13
3: 26S proteasome non-ATPase regulatory subunit 12
4: 26S proteasome non-ATPase regulatory subunit 11
5: 26S proteasome non-ATPase regulatory subunit 6
6: 26S proteasome non-ATPase regulatory subunit 3
7: 26S proteasome non-ATPase regulatory subunit 8
8: 26S proteasome non-ATPase regulatory subunit 7
9: 26S proteasome non-ATPase regulatory subunit 14
AA: 26S proteasome non-ATPase regulatory subunit 4
AB: 26S proteasome complex subunit DSS1
AC: 26S proteasome non-ATPase regulatory subunit 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)2,567,65776
Polymers2,562,53164
Non-polymers5,12612
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1

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Components

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26S protease regulatory subunit ... , 6 types, 12 molecules IwHvLzM0JxKy

#1: Protein 26S protease regulatory subunit 4 / P26s4 / 26S proteasome AAA-ATPase subunit RPT2 / Proteasome 26S subunit ATPase 1


Mass: 49260.504 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62191
#2: Protein 26S protease regulatory subunit 7 / 26S proteasome AAA-ATPase subunit RPT1 / Proteasome 26S subunit ATPase 2 / Protein MSS1


Mass: 48700.805 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P35998
#3: Protein 26S protease regulatory subunit 10B / 26S proteasome AAA-ATPase subunit RPT4 / Proteasome 26S subunit ATPase 6 / Proteasome subunit p42


Mass: 44241.008 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62333
#4: Protein 26S protease regulatory subunit 6A / 26S proteasome AAA-ATPase subunit RPT5 / Proteasome 26S subunit ATPase 3 / Proteasome subunit P50 / ...26S proteasome AAA-ATPase subunit RPT5 / Proteasome 26S subunit ATPase 3 / Proteasome subunit P50 / Tat-binding protein 1 / TBP-1


Mass: 49266.457 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P17980
#5: Protein 26S protease regulatory subunit 8 / 26S proteasome AAA-ATPase subunit RPT6 / Proteasome 26S subunit ATPase 5 / Proteasome subunit p45 / ...26S proteasome AAA-ATPase subunit RPT6 / Proteasome 26S subunit ATPase 5 / Proteasome subunit p45 / Thyroid hormone receptor-interacting protein 1 / TRIP1 / p45/SUG


Mass: 45694.047 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P62195
#6: Protein 26S protease regulatory subunit 6B / 26S proteasome AAA-ATPase subunit RPT3 / MB67-interacting protein / MIP224 / Proteasome 26S subunit ...26S proteasome AAA-ATPase subunit RPT3 / MB67-interacting protein / MIP224 / Proteasome 26S subunit ATPase 4 / Tat-binding protein 7 / TBP-7


Mass: 47426.141 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P43686

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26S proteasome non-ATPase regulatory subunit ... , 11 types, 22 molecules N1O2P3Q4R5S6T7U8V9WAAZAC

#7: Protein 26S proteasome non-ATPase regulatory subunit 1 / 26S proteasome regulatory subunit RPN2 / 26S proteasome regulatory subunit S1 / 26S proteasome subunit p112


Mass: 105958.234 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q99460
#8: Protein 26S proteasome non-ATPase regulatory subunit 13 / 26S proteasome regulatory subunit RPN9 / 26S proteasome regulatory subunit S11 / 26S proteasome ...26S proteasome regulatory subunit RPN9 / 26S proteasome regulatory subunit S11 / 26S proteasome regulatory subunit p40.5


Mass: 42995.359 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q9UNM6
#9: Protein 26S proteasome non-ATPase regulatory subunit 12 / 26S proteasome regulatory subunit RPN5 / 26S proteasome regulatory subunit p55


Mass: 52979.359 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O00232
#10: Protein 26S proteasome non-ATPase regulatory subunit 11 / 26S proteasome regulatory subunit RPN6 / 26S proteasome regulatory subunit S9 / 26S proteasome ...26S proteasome regulatory subunit RPN6 / 26S proteasome regulatory subunit S9 / 26S proteasome regulatory subunit p44.5


Mass: 47526.688 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O00231
#11: Protein 26S proteasome non-ATPase regulatory subunit 6 / 26S proteasome regulatory subunit RPN7 / 26S proteasome regulatory subunit S10 / Breast cancer- ...26S proteasome regulatory subunit RPN7 / 26S proteasome regulatory subunit S10 / Breast cancer-associated protein SGA-113M / Phosphonoformate immuno-associated protein 4 / Proteasome regulatory particle subunit p44S10 / p42A


Mass: 45592.285 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q15008
#12: Protein 26S proteasome non-ATPase regulatory subunit 3 / 26S proteasome regulatory subunit RPN3 / 26S proteasome regulatory subunit S3 / Proteasome subunit p58


Mass: 60074.590 Da / Num. of mol.: 2 / Fragment: UNP RESIDUES 1-525 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: O43242
#13: Protein 26S proteasome non-ATPase regulatory subunit 8 / 26S proteasome regulatory subunit RPN12 / 26S proteasome regulatory subunit S14 / p31


Mass: 39667.871 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P48556
#14: Protein 26S proteasome non-ATPase regulatory subunit 7 / 26S proteasome regulatory subunit RPN8 / 26S proteasome regulatory subunit S12 / Mov34 protein ...26S proteasome regulatory subunit RPN8 / 26S proteasome regulatory subunit S12 / Mov34 protein homolog / Proteasome subunit p40


Mass: 37086.441 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P51665
#15: Protein 26S proteasome non-ATPase regulatory subunit 14 / 26S proteasome regulatory subunit RPN11 / 26S proteasome-associated PAD1 homolog 1


Mass: 34620.023 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: O00487, Hydrolases; Acting on peptide bonds (peptidases); Omega peptidases
#16: Protein 26S proteasome non-ATPase regulatory subunit 4 / 26S proteasome regulatory subunit RPN10 / 26S proteasome regulatory subunit S5A / Antisecretory ...26S proteasome regulatory subunit RPN10 / 26S proteasome regulatory subunit S5A / Antisecretory factor 1 / ASF / Multiubiquitin chain-binding protein


Mass: 40781.590 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P55036
#18: Protein 26S proteasome non-ATPase regulatory subunit 2 / 26S proteasome regulatory subunit RPN1 / 26S proteasome regulatory subunit S2 / 26S proteasome ...26S proteasome regulatory subunit RPN1 / 26S proteasome regulatory subunit S2 / 26S proteasome subunit p97 / Protein 55.11 / Tumor necrosis factor type 1 receptor-associated protein 2


Mass: 100313.625 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: Q13200

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Proteasome subunit alpha type- ... , 7 types, 14 molecules BhCiDjEkFlGmXn

#19: Protein Proteasome subunit alpha type-6 / 27 kDa prosomal protein / p27K / Macropain iota chain / Multicatalytic endopeptidase complex iota ...27 kDa prosomal protein / p27K / Macropain iota chain / Multicatalytic endopeptidase complex iota chain / Proteasome iota chain


Mass: 27432.459 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P60900, proteasome endopeptidase complex
#20: Protein Proteasome subunit alpha type-2 / Macropain subunit C3 / Multicatalytic endopeptidase complex subunit C3 / Proteasome component C3


Mass: 25927.535 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P25787, proteasome endopeptidase complex
#21: Protein Proteasome subunit alpha type-4 / Macropain subunit C9 / Multicatalytic endopeptidase complex subunit C9 / Proteasome component C9 / ...Macropain subunit C9 / Multicatalytic endopeptidase complex subunit C9 / Proteasome component C9 / Proteasome subunit L


Mass: 29525.842 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P25789, proteasome endopeptidase complex
#22: Protein Proteasome subunit alpha type-7 / Proteasome subunit RC6-1 / Proteasome subunit XAPC7


Mass: 27929.891 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: O14818, proteasome endopeptidase complex
#23: Protein Proteasome subunit alpha type-5 / Macropain zeta chain / Multicatalytic endopeptidase complex zeta chain / Proteasome zeta chain


Mass: 26435.977 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P28066, proteasome endopeptidase complex
#24: Protein Proteasome subunit alpha type-1 / 30 kDa prosomal protein / PROS-30 / Macropain subunit C2 / Multicatalytic endopeptidase complex ...30 kDa prosomal protein / PROS-30 / Macropain subunit C2 / Multicatalytic endopeptidase complex subunit C2 / Proteasome component C2 / Proteasome nu chain


Mass: 29595.627 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P25786, proteasome endopeptidase complex
#25: Protein Proteasome subunit alpha type-3 / Macropain subunit C8 / Multicatalytic endopeptidase complex subunit C8 / Proteasome component C8


Mass: 28469.252 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P25788, proteasome endopeptidase complex

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Proteasome subunit beta type- ... , 7 types, 14 molecules aobpcqdresftgu

#26: Protein Proteasome subunit beta type-6 / Macropain delta chain / Multicatalytic endopeptidase complex delta chain / Proteasome delta chain / ...Macropain delta chain / Multicatalytic endopeptidase complex delta chain / Proteasome delta chain / Proteasome subunit Y


Mass: 25377.652 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P28072, proteasome endopeptidase complex
#27: Protein Proteasome subunit beta type-7 / Macropain chain Z / Multicatalytic endopeptidase complex chain Z / Proteasome subunit Z


Mass: 30000.418 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: Q99436, proteasome endopeptidase complex
#28: Protein Proteasome subunit beta type-3 / Proteasome chain 13 / Proteasome component C10-II / Proteasome theta chain


Mass: 22972.896 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P49720, proteasome endopeptidase complex
#29: Protein Proteasome subunit beta type-2 / Macropain subunit C7-I / Multicatalytic endopeptidase complex subunit C7-I / Proteasome component C7-I


Mass: 22864.277 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P49721, proteasome endopeptidase complex
#30: Protein Proteasome subunit beta type-5 / Macropain epsilon chain / Multicatalytic endopeptidase complex epsilon chain / Proteasome chain 6 / ...Macropain epsilon chain / Multicatalytic endopeptidase complex epsilon chain / Proteasome chain 6 / Proteasome epsilon chain / Proteasome subunit MB1 / Proteasome subunit X


Mass: 28510.248 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P28074, proteasome endopeptidase complex
#31: Protein Proteasome subunit beta type-1 / Macropain subunit C5 / Multicatalytic endopeptidase complex subunit C5 / Proteasome component C5 / ...Macropain subunit C5 / Multicatalytic endopeptidase complex subunit C5 / Proteasome component C5 / Proteasome gamma chain


Mass: 26522.396 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P20618, proteasome endopeptidase complex
#32: Protein Proteasome subunit beta type-4 / 26 kDa prosomal protein / PROS-26 / Macropain beta chain / Multicatalytic endopeptidase complex ...26 kDa prosomal protein / PROS-26 / Macropain beta chain / Multicatalytic endopeptidase complex beta chain / Proteasome beta chain / Proteasome chain 3 / HsN3


Mass: 29231.178 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human)
References: UniProt: P28070, proteasome endopeptidase complex

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Protein / Non-polymers , 2 types, 14 molecules YAB

#17: Protein 26S proteasome complex subunit DSS1 / Deleted in split hand/split foot protein 1 / Split hand/foot deleted protein 1 / Split hand/foot ...Deleted in split hand/split foot protein 1 / Split hand/foot deleted protein 1 / Split hand/foot malformation type 1 protein


Mass: 8284.611 Da / Num. of mol.: 2 / Source method: isolated from a natural source / Source: (natural) Homo sapiens (human) / References: UniProt: P60896
#33: Chemical
ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 12 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Comment: ADP, energy-carrying molecule*YM

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Details

Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: human 26S proteasome / Type: COMPLEX
Details: cryo-EM map of human 26S proteasome by single particle reconstruction
Entity ID: #1-#32 / Source: NATURAL
Molecular weightValue: 2.5 MDa / Experimental value: NO
Source (natural)Organism: Homo sapiens (human)
Buffer solutionpH: 8
Buffer component
IDConc.NameFormulaBuffer-ID
125 mMTris-HClTris-HCl1
2150 mMsodium chlorideNaCl1
35 mMDTTDTT1
SpecimenConc.: 1 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES / Details: This sample was monodisperse.
Specimen supportGrid material: COPPER
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 281 K / Details: blot for 2 seconds before plunging

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS / Details: Preliminary grid screening was performed manually
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Calibrated defocus min: 1.6 nm / Calibrated defocus max: 2.6 nm / Cs: 2.7 mm / Alignment procedure: COMA FREE
Specimen holderCryogen: NITROGEN / Specimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER / Temperature (min): 70 K
Image recordingAverage exposure time: 1.6 sec. / Electron dose: 37 e/Å2 / Film or detector model: FEI FALCON II (4k x 4k)
Image scansWidth: 4096 / Height: 4096 / Movie frames/image: 26 / Used frames/image: 1-26

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Processing

EM software
IDNameVersionCategory
1RELION1.4particle selection
2EPUimage acquisition
4CTFFIND3CTF correction
7Chimera1.10.1model fitting
9REFMAC4.5model refinement
10RELION1.4initial Euler assignment
11RELION1.4final Euler assignment
12RELION1.4classification
13RELION1.43D reconstruction
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
Particle selectionNum. of particles selected: 443359
SymmetryPoint symmetry: C2 (2 fold cyclic)
3D reconstructionResolution: 3.5 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 165699 / Details: apply C2 symmetry / Num. of class averages: 1 / Symmetry type: POINT
Refinement stepCycle: LAST
ProteinNucleic acidLigandSolventTotal
Num. atoms142416 0 324 0 142740

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