9TMS | pdb_00009tms

Human sperm 20S-PA200 proteasome complex isolated from native source

Experimental Data Snapshot

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.90 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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This is version 1.0 of the entry. See complete history. 

Literature

Molecular architecture and spatial organization of proteasomes in the human sperm nucleus

Kolata, P., dos Santos, A., Knowles, O., Dendooven, T., Allegretti, M.

(2026) Nat Struct Mol Biol 

Macromolecule Content 

  • Total Structure Weight: 929.92 kDa 
  • Atom Count: 62,124 
  • Modeled Residue Count: 7,914 
  • Deposited Residue Count: 8,305 
  • Unique protein chains: 15

Macromolecules

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|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-6A,
L [auth O]		246Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for P60900 (Homo sapiens)
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PHAROS:  P60900
GTEx:  ENSG00000100902 
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UniProt GroupP60900
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Reference Sequence
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Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-2B,
M [auth P]		234Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for P25787 (Homo sapiens)
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PHAROS:  P25787
GTEx:  ENSG00000106588 
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UniProt GroupP25787
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Reference Sequence
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Entity ID: 3
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-1C [auth F],
Q [auth T]		263Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for P25786 (Homo sapiens)
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PHAROS:  P25786
GTEx:  ENSG00000129084 
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UniProt GroupP25786
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Reference Sequence
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Entity ID: 4
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-3D [auth G],
R [auth U]		255Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for P25788 (Homo sapiens)
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PHAROS:  P25788
GTEx:  ENSG00000100567 
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UniProt GroupP25788
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Reference Sequence
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Entity ID: 5
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-6E [auth H],
S [auth V]		205Homo sapiensMutation(s): 0 
EC: 3.4.25.1
UniProt & NIH Common Fund Data Resources
Find proteins for P28072 (Homo sapiens)
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PHAROS:  P28072
GTEx:  ENSG00000142507 
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UniProt GroupP28072
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Reference Sequence
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Entity ID: 6
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-7F [auth I],
T [auth W]		234Homo sapiensMutation(s): 0 
EC: 3.4.25.1
UniProt & NIH Common Fund Data Resources
Find proteins for Q99436 (Homo sapiens)
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PHAROS:  Q99436
GTEx:  ENSG00000136930 
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UniProt GroupQ99436
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Reference Sequence
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Entity ID: 7
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-3G [auth J],
U [auth X]		205Homo sapiensMutation(s): 0 
EC: 3.4.25.1
UniProt & NIH Common Fund Data Resources
Find proteins for P49720 (Homo sapiens)
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PHAROS:  P49720
GTEx:  ENSG00000277791 
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UniProt GroupP49720
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Reference Sequence
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Entity ID: 8
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-2H [auth K],
V [auth Y]		201Homo sapiensMutation(s): 0 
EC: 3.4.25.1
UniProt & NIH Common Fund Data Resources
Find proteins for P49721 (Homo sapiens)
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PHAROS:  P49721
GTEx:  ENSG00000126067 
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UniProt GroupP49721
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Reference Sequence
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Entity ID: 9
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-5I [auth L],
W [auth Z]		204Homo sapiensMutation(s): 0 
EC: 3.4.25.1
UniProt & NIH Common Fund Data Resources
Find proteins for P28074 (Homo sapiens)
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PHAROS:  P28074
GTEx:  ENSG00000100804 
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UniProt GroupP28074
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Reference Sequence
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Entity ID: 10
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-1J [auth M],
X [auth a]		213Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for P20618 (Homo sapiens)
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PHAROS:  P20618
GTEx:  ENSG00000008018 
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UniProt GroupP20618
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Reference Sequence
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Entity ID: 11
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit beta type-4K [auth N],
Y [auth b]		219Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for P28070 (Homo sapiens)
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PHAROS:  P28070
GTEx:  ENSG00000159377 
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UniProt GroupP28070
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Reference Sequence
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Entity ID: 12
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-4N [auth Q],
Z [auth C]		261Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for P25789 (Homo sapiens)
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PHAROS:  P25789
GTEx:  ENSG00000041357 
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UniProt GroupP25789
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Reference Sequence
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Entity ID: 13
MoleculeChains  Sequence LengthOrganismDetailsImage
Isoform 3 of Proteasome subunit alpha-type 8AA [auth D],
O [auth R]		250Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for Q8TAA3 (Homo sapiens)
Go to UniProtKB:  Q8TAA3
PHAROS:  Q8TAA3
GTEx:  ENSG00000154611 
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UniProt GroupQ8TAA3-5
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Reference Sequence
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Entity ID: 14
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome subunit alpha type-5BA [auth E],
P [auth S]		241Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for P28066 (Homo sapiens)
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PHAROS:  P28066
GTEx:  ENSG00000143106 
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UniProt GroupP28066
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Reference Sequence
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Entity ID: 15
MoleculeChains  Sequence LengthOrganismDetailsImage
Proteasome activator complex subunit 4CA [auth c]1,843Homo sapiensMutation(s): 0 
UniProt & NIH Common Fund Data Resources
Find proteins for Q14997 (Homo sapiens)
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PHAROS:  Q14997
GTEx:  ENSG00000068878 
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Reference Sequence

Small Molecules

Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
IHP

Query on IHP


Download:Ideal Coordinates CCD File
DA [auth c]INOSITOL HEXAKISPHOSPHATE
C6 H18 O24 P6
IMQLKJBTEOYOSI-GPIVLXJGSA-N

Experimental Data & Validation

Experimental Data

  • Method: ELECTRON MICROSCOPY
  • Resolution: 2.90 Å
  • Aggregation State: PARTICLE 
  • Reconstruction Method: SINGLE PARTICLE 
EM Software:
TaskSoftware PackageVersion
MODEL REFINEMENTPHENIX2.0_5884
RECONSTRUCTIONcryoSPARC4.4.1

Structure Validation

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View more in-depth experimental data

Entry History 

& Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
Medical Research Council (MRC, United Kingdom)United KingdomMC_UP_1201/30

Revision History  (Full details and data files)

  • Version 1.0: 2026-09-09
    Type: Initial release