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- EMDB-54032: 13S+Beta1 proteasome precursor complex -

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Basic information

Entry
Database: EMDB / ID: EMD-54032
Title13S+Beta1 proteasome precursor complex
Map data
Sample
  • Complex: 13S proteasome precursor complex
    • Protein or peptide: x 14 types
Keywordsproteasome biogenesis / Ump1 / Pba1-2 / cryo-EM / HYDROLASE
Function / homology
Function and homology information


ER-Phagosome pathway / Antigen processing: Ub, ATP-independent proteasomal degradation / proteasome core complex assembly / nuclear outer membrane-endoplasmic reticulum membrane network / Proteasome assembly / Cross-presentation of soluble exogenous antigens (endosomes) / TNFR2 non-canonical NF-kB pathway / Regulation of PTEN stability and activity / CDK-mediated phosphorylation and removal of Cdc6 / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis ...ER-Phagosome pathway / Antigen processing: Ub, ATP-independent proteasomal degradation / proteasome core complex assembly / nuclear outer membrane-endoplasmic reticulum membrane network / Proteasome assembly / Cross-presentation of soluble exogenous antigens (endosomes) / TNFR2 non-canonical NF-kB pathway / Regulation of PTEN stability and activity / CDK-mediated phosphorylation and removal of Cdc6 / FBXL7 down-regulates AURKA during mitotic entry and in early mitosis / Ubiquitin-Mediated Degradation of Phosphorylated Cdc25A / KEAP1-NFE2L2 pathway / Neddylation / Orc1 removal from chromatin / MAPK6/MAPK4 signaling / proteasome storage granule / proteasomal ubiquitin-independent protein catabolic process / Antigen processing: Ubiquitination & Proteasome degradation / proteasome endopeptidase complex / proteasome core complex, beta-subunit complex / Ub-specific processing proteases / endopeptidase activator activity / threonine-type endopeptidase activity / proteasome assembly / proteasome core complex, alpha-subunit complex / Neutrophil degranulation / proteasome complex / endopeptidase activity / ubiquitin-dependent protein catabolic process / proteasome-mediated ubiquitin-dependent protein catabolic process / mRNA binding / DNA damage response / endoplasmic reticulum membrane / mitochondrion / nucleus / cytoplasm / cytosol
Similarity search - Function
Proteasome chaperone 1, fungi / Proteasome chaperone 1 superfamily / POC1 chaperone / Proteasome assembly chaperone 2, eukaryotic / Proteasome maturation factor Ump1 / Proteasome maturation factor UMP1 / Proteasome assembly chaperone 2 / Proteasome assembly chaperone 2 superfamily / PAC2 family / Proteasome beta subunit, C-terminal ...Proteasome chaperone 1, fungi / Proteasome chaperone 1 superfamily / POC1 chaperone / Proteasome assembly chaperone 2, eukaryotic / Proteasome maturation factor Ump1 / Proteasome maturation factor UMP1 / Proteasome assembly chaperone 2 / Proteasome assembly chaperone 2 superfamily / PAC2 family / Proteasome beta subunit, C-terminal / Proteasome beta subunits C terminal / Proteasome subunit beta 2 / Proteasome beta 3 subunit / Proteasome subunit alpha5 / Proteasome subunit alpha6 / 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 / Proteasome B-type subunit / Proteasome beta-type subunit profile. / : / Proteasome alpha-type subunit / Proteasome alpha-type subunit profile. / Proteasome subunit / Proteasome, subunit alpha/beta / Nucleophile aminohydrolases, N-terminal
Similarity search - Domain/homology
Probable proteasome subunit alpha type-7 / Proteasome subunit alpha type-1 / Proteasome subunit beta type-4 / Proteasome subunit alpha type-3 / Proteasome subunit alpha type-2 / Proteasome subunit beta type-2 / Proteasome subunit beta type-3 / Proteasome subunit alpha type-5 / Proteasome assembly chaperone 2 / Proteasome maturation factor UMP1 ...Probable proteasome subunit alpha type-7 / Proteasome subunit alpha type-1 / Proteasome subunit beta type-4 / Proteasome subunit alpha type-3 / Proteasome subunit alpha type-2 / Proteasome subunit beta type-2 / Proteasome subunit beta type-3 / Proteasome subunit alpha type-5 / Proteasome assembly chaperone 2 / Proteasome maturation factor UMP1 / Proteasome subunit beta type-1 / Proteasome subunit alpha type-6 / Proteasome subunit alpha type-4 / Proteasome chaperone 1
Similarity search - Component
Biological speciesSaccharomyces cerevisiae (brewer's yeast)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.16 Å
AuthorsMark E / Ramos PC / Nunes MM / Dohmen RJ / Wendler P
Funding support Germany, 2 items
OrganizationGrant numberCountry
German Research Foundation (DFG)406260942 Germany
German Research Foundation (DFG)442219341 Germany
CitationJournal: To Be Published
Title: Structural transitions in the stepwise assembly of proteasome core particles
Authors: Mark E / Ramos PC / Nunes MM / Dohmen JR / Wendler P
History
DepositionJun 16, 2025-
Header (metadata) releaseMar 18, 2026-
Map releaseMar 18, 2026-
UpdateMar 18, 2026-
Current statusMar 18, 2026Processing site: PDBe / Status: Released

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Structure visualization

Supplemental images

emd_54032.png

Downloads & links

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Map

FileDownload / File: emd_54032.map.gz / Format: CCP4 / Size: 476.8 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1 Å/pix.
x 500 pix.
= 498. Å		1 Å/pix.
x 500 pix.
= 498. Å		1 Å/pix.
x 500 pix.
= 498. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 0.996 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.119
Minimum - Maximum-0.5661069 - 0.9225482
Average (Standard dev.)-0.0000906413 (±0.017971642)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions500500500
Spacing500500500
CellA=B=C: 498.0 Å
α=β=γ: 90.0 °

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Supplemental data

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Mask #1

Fileemd_54032_msk_1.map
Projections & Slices
AxesZYX

Projections

Slices (1/2)
Density Histograms

Histogram

Histogram (log scale)

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Half map: #2

Fileemd_54032_half_map_1.map
Projections & Slices
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Density Histograms

Histogram

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Half map: #1

Fileemd_54032_half_map_2.map
Projections & Slices
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Sample components

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Entire : 13S proteasome precursor complex

EntireName: 13S proteasome precursor complex
Components
  • Complex: 13S proteasome precursor complex
    • Protein or peptide: Proteasome subunit alpha type-1
    • Protein or peptide: Proteasome subunit alpha type-4
    • Protein or peptide: Proteasome subunit alpha type-5
    • Protein or peptide: Proteasome subunit alpha type-6
    • Protein or peptide: Proteasome subunit beta type-1
    • Protein or peptide: Proteasome maturation factor UMP1
    • Protein or peptide: Proteasome chaperone 1
    • Protein or peptide: Proteasome assembly chaperone 2
    • Protein or peptide: Proteasome subunit alpha type-2
    • Protein or peptide: Proteasome subunit alpha type-3
    • Protein or peptide: Probable proteasome subunit alpha type-7
    • Protein or peptide: Proteasome subunit beta type-2
    • Protein or peptide: Proteasome subunit beta type-3
    • Protein or peptide: Proteasome subunit beta type-4

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Supramolecule #1: 13S proteasome precursor complex

SupramoleculeName: 13S proteasome precursor complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: all
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)

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Macromolecule #1: Proteasome subunit alpha type-1

MacromoleculeName: Proteasome subunit alpha type-1 / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 28.03383 KDa
SequenceString: MSGAAAASAA GYDRHITIFS PEGRLYQVEY AFKATNQTNI NSLAVRGKDC TVVISQKKVP DKLLDPTTVS YIFCISRTIG MVVNGPIPD ARNAALRAKA EAAEFRYKYG YDMPCDVLAK RMANLSQIYT QRAYMRPLGV ILTFVSVDEE LGPSIYKTDP A GYYVGYKA ...String:
MSGAAAASAA GYDRHITIFS PEGRLYQVEY AFKATNQTNI NSLAVRGKDC TVVISQKKVP DKLLDPTTVS YIFCISRTIG MVVNGPIPD ARNAALRAKA EAAEFRYKYG YDMPCDVLAK RMANLSQIYT QRAYMRPLGV ILTFVSVDEE LGPSIYKTDP A GYYVGYKA TATGPKQQEI TTNLENHFKK SKIDHINEES WEKVVEFAIT HMIDALGTEF SKNDLEVGVA TKDKFFTLSA EN IEERLVA IAEQD

UniProtKB: Proteasome subunit alpha type-1

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Macromolecule #2: Proteasome subunit alpha type-4

MacromoleculeName: Proteasome subunit alpha type-4 / type: protein_or_peptide / ID: 2 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 28.478111 KDa
SequenceString: MSGYDRALSI FSPDGHIFQV EYALEAVKRG TCAVGVKGKN CVVLGCERRS TLKLQDTRIT PSKVSKIDSH VVLSFSGLNA DSRILIEKA RVEAQSHRLT LEDPVTVEYL TRYVAGVQQR YTQSGGVRPF GVSTLIAGFD PRDDEPKLYQ TEPSGIYSSW S AQTIGRNS ...String:
MSGYDRALSI FSPDGHIFQV EYALEAVKRG TCAVGVKGKN CVVLGCERRS TLKLQDTRIT PSKVSKIDSH VVLSFSGLNA DSRILIEKA RVEAQSHRLT LEDPVTVEYL TRYVAGVQQR YTQSGGVRPF GVSTLIAGFD PRDDEPKLYQ TEPSGIYSSW S AQTIGRNS KTVREFLEKN YDRKEPPATV EECVKLTVRS LLEVVQTGAK NIEITVVKPD SDIVALSSEE INQYVTQIEQ EK QEQQEQD KKKKSNH

UniProtKB: Proteasome subunit alpha type-4

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Macromolecule #3: Proteasome subunit alpha type-5

MacromoleculeName: Proteasome subunit alpha type-5 / type: protein_or_peptide / ID: 3 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 28.649086 KDa
SequenceString: MFLTRSEYDR GVSTFSPEGR LFQVEYSLEA IKLGSTAIGI ATKEGVVLGV EKRATSPLLE SDSIEKIVEI DRHIGCAMSG LTADARSMI EHARTAAVTH NLYYDEDINV ESLTQSVCDL ALRFGEGASG EERLMSRPFG VALLIAGHDA DDGYQLFHAE P SGTFYRYN ...String:
MFLTRSEYDR GVSTFSPEGR LFQVEYSLEA IKLGSTAIGI ATKEGVVLGV EKRATSPLLE SDSIEKIVEI DRHIGCAMSG LTADARSMI EHARTAAVTH NLYYDEDINV ESLTQSVCDL ALRFGEGASG EERLMSRPFG VALLIAGHDA DDGYQLFHAE P SGTFYRYN AKAIGSGSEG AQAELLNEWH SSLTLKEAEL LVLKILKQVM EEKLDENNAQ LSCITKQDGF KIYDNEKTAE LI KELKEKE AAESPEEADV EMS

UniProtKB: Proteasome subunit alpha type-5

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Macromolecule #4: Proteasome subunit alpha type-6

MacromoleculeName: Proteasome subunit alpha type-6 / type: protein_or_peptide / ID: 4 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 25.634 KDa
SequenceString: MFRNNYDGDT VTFSPTGRLF QVEYALEAIK QGSVTVGLRS NTHAVLVALK RNADELSSYQ KKIIKCDEHM GLSLAGLAPD ARVLSNYLR QQCNYSSLVF NRKLAVERAG HLLCDKAQKN TQSYGGRPYG VGLLIIGYDK SGAHLLEFQP SGNVTELYGT A IGARSQGA ...String:
MFRNNYDGDT VTFSPTGRLF QVEYALEAIK QGSVTVGLRS NTHAVLVALK RNADELSSYQ KKIIKCDEHM GLSLAGLAPD ARVLSNYLR QQCNYSSLVF NRKLAVERAG HLLCDKAQKN TQSYGGRPYG VGLLIIGYDK SGAHLLEFQP SGNVTELYGT A IGARSQGA KTYLERTLDT FIKIDGNPDE LIKAGVEAIS QSLRDESLTV DNLSIAIVGK DTPFTIYDGE AVAKYI

UniProtKB: Proteasome subunit alpha type-6

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Macromolecule #5: Proteasome subunit beta type-1

MacromoleculeName: Proteasome subunit beta type-1 / type: protein_or_peptide / ID: 5 / Number of copies: 1 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 23.573604 KDa
SequenceString: MNGIQVDINR LKKGEVSLGT SIMAVTFKDG VILGADSRTT TGAYIANRVT DKLTRVHDKI WCCRSGSAAD TQAIADIVQY HLELYTSQY GTPSTETAAS VFKELCYENK DNLTAGIIVA GYDDKNKGEV YTIPLGGSVH KLPYAIAGSG STFIYGYCDK N FRENMSKE ...String:
MNGIQVDINR LKKGEVSLGT SIMAVTFKDG VILGADSRTT TGAYIANRVT DKLTRVHDKI WCCRSGSAAD TQAIADIVQY HLELYTSQY GTPSTETAAS VFKELCYENK DNLTAGIIVA GYDDKNKGEV YTIPLGGSVH KLPYAIAGSG STFIYGYCDK N FRENMSKE ETVDFIKHSL SQAIKWDGSS GGVIRMVVLT AAGVERLIFY PDEYEQL

UniProtKB: Proteasome subunit beta type-1

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Macromolecule #6: Proteasome maturation factor UMP1

MacromoleculeName: Proteasome maturation factor UMP1 / type: protein_or_peptide / ID: 6 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 18.58758 KDa
Recombinant expressionOrganism: Saccharomyces cerevisiae (brewer's yeast)
SequenceString:
DYKDDDDKHH HHHHMNIVPQ DTFKSQVSTD QDKSVLSSAV PSLPDTLRQQ EGGAVPPLST QNDRHPLEST LKNWETTQRQ RQMEQYRQI FGIAEPMKRT MEMEIVNRTD FNPLSTNGSI HRDILLNKEC SIDWEDVYPG TTGLQASMVG DDVHSKIEKQ L GI

UniProtKB: Proteasome maturation factor UMP1

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Macromolecule #7: Proteasome chaperone 1

MacromoleculeName: Proteasome chaperone 1 / type: protein_or_peptide / ID: 7 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 30.718074 KDa
SequenceString: MLFKQWNDLP EPKHLLDLPE ISKNLQSLEV CPVPKVEFPQ DLDVPQYSTA VITTKIMNPL FPKNLLQLTS IGEIKTTLTV KSPSLPQSS GKHSWNYDEN FPNEVDPDQK NDTADETVYG FSFPIYSFGK TLLFSMEENF ISISPIFGNM ISRSIISQLA Q FSPDIIVI ...String:
MLFKQWNDLP EPKHLLDLPE ISKNLQSLEV CPVPKVEFPQ DLDVPQYSTA VITTKIMNPL FPKNLLQLTS IGEIKTTLTV KSPSLPQSS GKHSWNYDEN FPNEVDPDQK NDTADETVYG FSFPIYSFGK TLLFSMEENF ISISPIFGNM ISRSIISQLA Q FSPDIIVI GTSDKIASMK VMTENECTLQ PPEFITGFIG SVLTQLIVGP SKGLKFKCLV APSEGPNGFE KLSLSDMGSL VD LCGQWLG FEPSRYSEEC YRLWRCDSAA IGAQSGLYI

UniProtKB: Proteasome chaperone 1

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Macromolecule #8: Proteasome assembly chaperone 2

MacromoleculeName: Proteasome assembly chaperone 2 / type: protein_or_peptide / ID: 8 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 30.762895 KDa
SequenceString: MSCLVLPLVS VGNIPQLSID WLLNSQANEW EYLEALDSKY LVEFVGPLDR PEDGSDSLYK DADMKYSSAL EVFYNKKRGL FAIQQRTPL VSVNYLNNFI VEIILPFLSK YNISEICIWD SLYAMEDENG VIVRPQEVYS LGEFYFDDEA ELLSNLHLND Q ESMVNNWL ...String:
MSCLVLPLVS VGNIPQLSID WLLNSQANEW EYLEALDSKY LVEFVGPLDR PEDGSDSLYK DADMKYSSAL EVFYNKKRGL FAIQQRTPL VSVNYLNNFI VEIILPFLSK YNISEICIWD SLYAMEDENG VIVRPQEVYS LGEFYFDDEA ELLSNLHLND Q ESMVNNWL HFTPTSFQDK ISVDQPIFKI LFQILNASQR PKALRSIKYC SCLANEGDNS LDSQQFLQWI ISQKVIKNAP PI VKFVRPI SWQGAYGMAD ARDKFVDLYN

UniProtKB: Proteasome assembly chaperone 2

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Macromolecule #9: Proteasome subunit alpha type-2

MacromoleculeName: Proteasome subunit alpha type-2 / type: protein_or_peptide / ID: 9 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 27.191828 KDa
SequenceString: MTDRYSFSLT TFSPSGKLGQ IDYALTAVKQ GVTSLGIKAT NGVVIATEKK SSSPLAMSET LSKVSLLTPD IGAVYSGMGP DYRVLVDKS RKVAHTSYKR IYGEYPPTKL LVSEVAKIMQ EATQSGGVRP FGVSLLIAGH DEFNGFSLYQ VDPSGSYFPW K ATAIGKGS ...String:
MTDRYSFSLT TFSPSGKLGQ IDYALTAVKQ GVTSLGIKAT NGVVIATEKK SSSPLAMSET LSKVSLLTPD IGAVYSGMGP DYRVLVDKS RKVAHTSYKR IYGEYPPTKL LVSEVAKIMQ EATQSGGVRP FGVSLLIAGH DEFNGFSLYQ VDPSGSYFPW K ATAIGKGS VAAKTFLEKR WNDELELEDA IHIALLTLKE SVEGEFNGDT IELAIIGDEN PDLLGYTGIP TDKGPRFRKL TS QEINDRL EAL

UniProtKB: Proteasome subunit alpha type-2

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Macromolecule #10: Proteasome subunit alpha type-3

MacromoleculeName: Proteasome subunit alpha type-3 / type: protein_or_peptide / ID: 10 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 28.74823 KDa
SequenceString: MGSRRYDSRT TIFSPEGRLY QVEYALESIS HAGTAIGIMA SDGIVLAAER KVTSTLLEQD TSTEKLYKLN DKIAVAVAGL TADAEILIN TARIHAQNYL KTYNEDIPVE ILVRRLSDIK QGYTQHGGLR PFGVSFIYAG YDDRYGYQLY TSNPSGNYTG W KAISVGAN ...String:
MGSRRYDSRT TIFSPEGRLY QVEYALESIS HAGTAIGIMA SDGIVLAAER KVTSTLLEQD TSTEKLYKLN DKIAVAVAGL TADAEILIN TARIHAQNYL KTYNEDIPVE ILVRRLSDIK QGYTQHGGLR PFGVSFIYAG YDDRYGYQLY TSNPSGNYTG W KAISVGAN TSAAQTLLQM DYKDDMKVDD AIELALKTLS KTTDSSALTY DRLEFATIRK GANDGEVYQK IFKPQEIKDI LV KTGITKK DEDEEADEDM K

UniProtKB: Proteasome subunit alpha type-3

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Macromolecule #11: Probable proteasome subunit alpha type-7

MacromoleculeName: Probable proteasome subunit alpha type-7 / type: protein_or_peptide / ID: 11 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 31.575068 KDa
SequenceString: MTSIGTGYDL SNSVFSPDGR NFQVEYAVKA VENGTTSIGI KCNDGVVFAV EKLITSKLLV PQKNVKIQVV DRHIGCVYSG LIPDGRHLV NRGREEAASF KKLYKTPIPI PAFADRLGQY VQAHTLYNSV RPFGVSTIFG GVDKNGAHLY MLEPSGSYWG Y KGAATGKG ...String:
MTSIGTGYDL SNSVFSPDGR NFQVEYAVKA VENGTTSIGI KCNDGVVFAV EKLITSKLLV PQKNVKIQVV DRHIGCVYSG LIPDGRHLV NRGREEAASF KKLYKTPIPI PAFADRLGQY VQAHTLYNSV RPFGVSTIFG GVDKNGAHLY MLEPSGSYWG Y KGAATGKG RQSAKAELEK LVDHHPEGLS AREAVKQAAK IIYLAHEDNK EKDFELEISW CSLSETNGLH KFVKGDLLQE AI DFAQKEI NGDDDEDEDD SDNVMSSDDE NAPVATNANA TTDQEGDIHL E

UniProtKB: Probable proteasome subunit alpha type-7

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Macromolecule #12: Proteasome subunit beta type-2

MacromoleculeName: Proteasome subunit beta type-2 / type: protein_or_peptide / ID: 12 / Number of copies: 1 / Enantiomer: LEVO / EC number: proteasome endopeptidase complex
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 28.285838 KDa
SequenceString: MAGLSFDNYQ RNNFLAENSH TQPKATSTGT TIVGVKFNNG VVIAADTRSS TQGPIVADKN AKLHRISPKI WCAGAGTAAD TEAVTQLIG SNIELHSLYT SREPRVVSAL QMLKQHLFKY QGHIGAYLIV AGVDPTGSHL FSIHAHGSTD VGYYLSLGSG S LAAMAVLE ...String:
MAGLSFDNYQ RNNFLAENSH TQPKATSTGT TIVGVKFNNG VVIAADTRSS TQGPIVADKN AKLHRISPKI WCAGAGTAAD TEAVTQLIG SNIELHSLYT SREPRVVSAL QMLKQHLFKY QGHIGAYLIV AGVDPTGSHL FSIHAHGSTD VGYYLSLGSG S LAAMAVLE SHWKQDLTKE EAIKLASDAI QAGIWNDLGS GSNVDVCVME IGKDAEYLRN YLTTPNVREE KQKSYKFPRG TT AVLKSIV NICDIQEEQV DITT

UniProtKB: Proteasome subunit beta type-2

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Macromolecule #13: Proteasome subunit beta type-3

MacromoleculeName: Proteasome subunit beta type-3 / type: protein_or_peptide / ID: 13 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 22.627842 KDa
SequenceString: MSDPSSINGG IVVAMTGKDC VAIACDLRLG SQSLGVSNKF EKIFHYGHVF LGITGLATDV TTLNEMFRYK TNLYKLKEER AIEPETFTQ LVSSSLYERR FGPYFVGPVV AGINSKSGKP FIAGFDLIGC IDEAKDFIVS GTASDQLFGM CESLYEPNLE P EDLFETIS ...String:
MSDPSSINGG IVVAMTGKDC VAIACDLRLG SQSLGVSNKF EKIFHYGHVF LGITGLATDV TTLNEMFRYK TNLYKLKEER AIEPETFTQ LVSSSLYERR FGPYFVGPVV AGINSKSGKP FIAGFDLIGC IDEAKDFIVS GTASDQLFGM CESLYEPNLE P EDLFETIS QALLNAADRD ALSGWGAVVY IIKKDEVVKR YLKMRQD

UniProtKB: Proteasome subunit beta type-3

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Macromolecule #14: Proteasome subunit beta type-4

MacromoleculeName: Proteasome subunit beta type-4 / type: protein_or_peptide / ID: 14 / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Saccharomyces cerevisiae (brewer's yeast)
Molecular weightTheoretical: 22.545676 KDa
SequenceString: MDIILGIRVQ DSVILASSKA VTRGISVLKD SDDKTRQLSP HTLMSFAGEA GDTVQFAEYI QANIQLYSIR EDYELSPQAV SSFVRQELA KSIRSRRPYQ VNVLIGGYDK KKNKPELYQI DYLGTKVELP YGAHGYSGFY TFSLLDHHYR PDMTTEEGLD L LKLCVQEL ...String:
MDIILGIRVQ DSVILASSKA VTRGISVLKD SDDKTRQLSP HTLMSFAGEA GDTVQFAEYI QANIQLYSIR EDYELSPQAV SSFVRQELA KSIRSRRPYQ VNVLIGGYDK KKNKPELYQI DYLGTKVELP YGAHGYSGFY TFSLLDHHYR PDMTTEEGLD L LKLCVQEL EKRMPMDFKG VIVKIVDKDG IRQVDDFQAQ

UniProtKB: Proteasome subunit beta type-4

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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

Concentration6.15 mg/mL
BufferpH: 7.5 / Details: 150 mM NaCl 50 mM Tris-HCl
GridModel: UltrAuFoil R1.2/1.3 / Material: GOLD / Mesh: 300 / Support film - Material: GOLD / Support film - topology: HOLEY
VitrificationCryogen name: ETHANE / Chamber humidity: 80 % / Chamber temperature: 277 K / Instrument: HOMEMADE PLUNGER
Details: manual plunge freezing device purchased from "Neptune FLuid Flow Systems".

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Electron microscopy

MicroscopeTFS KRIOS
Image recordingFilm or detector model: GATAN K3 BIOQUANTUM (6k x 4k) / Number real images: 28764 / Average exposure time: 1.0 sec. / Average electron dose: 64.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsC2 aperture diameter: 50.0 µm / Illumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Cs: 2.7 mm / Nominal defocus max: 2.8000000000000003 µm / Nominal defocus min: 0.8 µm / Nominal magnification: 105000
Sample stageSpecimen holder model: FEI TITAN KRIOS AUTOGRID HOLDER
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Particle selectionNumber selected: 5495013
CTF correctionSoftware - Name: cryoSPARC (ver. 4.7.0) / Type: PHASE FLIPPING AND AMPLITUDE CORRECTION
Startup modelType of model: NONE
Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.16 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 4.7.0) / Number images used: 53118
Initial angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.7.0)
Final angle assignmentType: MAXIMUM LIKELIHOOD / Software - Name: cryoSPARC (ver. 4.7.0)
Final 3D classificationNumber classes: 5 / Avg.num./class: 53819 / Software - Name: cryoSPARC (ver. 4.7.0)
FSC plot (resolution estimation)

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Atomic model buiding 1

Initial modelPDB ID:

8rvl


Chain - Source name: PDB / Chain - Initial model type: experimental model
RefinementSpace: REAL / Protocol: RIGID BODY FIT / Overall B value: 39.3
Output model

PDB-9rla:
13S+Beta1 proteasome precursor complex

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