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Structure paper

TitleMolecular architecture and spatial organization of proteasomes in the human sperm nucleus
Journal, issue, pagesNat. Struct. Mol. Biol., Year 2026
Publish dateOct 17, 2025 (structure data deposition date)
AuthorsKolata P / dos Santos A / Knowles O / Dendooven T / Allegretti M
External linksNat. Struct. Mol. Biol. / Search PubMed
MethodsEM (subtomogram averaging) / EM (single particle)
Resolution1.85 - 14.4 Å
Structure data

EMDB-55396: Human sperm nuclear 20S proteasome
Method: EM (subtomogram averaging) / Resolution: 6.8 Å

EMDB-55397: Human sperm nuclear proteasome PA200-20S
Method: EM (subtomogram averaging) / Resolution: 9.4 Å

EMDB-55398: PA200-20S-PA200 complex
Method: EM (subtomogram averaging) / Resolution: 14.4 Å

56072

9tmn

EMDB-56072, PDB-9tmn:
Human sperm 20S proteasome complex isolated from native source
Method: EM (single particle) / Resolution: 1.85 Å

56074

9tms

EMDB-56074, PDB-9tms:
Human sperm 20S-PA200 proteasome complex isolated from native source
Method: EM (single particle) / Resolution: 2.9 Å

EMDB-56075: Human sperm 20S-AAA-ATPase proteasome complex isolated from native source
Method: EM (single particle) / Resolution: 3.3 Å

EMDB-58412: Human sperm 26S proteasome complex isolated from native source
Method: EM (single particle) / Resolution: 4.3 Å

Chemicals

ChemComp-MG:
Unknown entry

ChemComp-HOH:
WATER

ChemComp-IHP:
INOSITOL HEXAKISPHOSPHATE

Source
  • homo sapiens (human)
KeywordsNUCLEAR PROTEIN / proteasome / proteolysis / Ntn hydrolase-like / protein degradation

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