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8QYM

Human 20S proteasome assembly intermediate structure 3

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Proteasome subunit alpha type-2polymer23425927.51UniProt (P25787)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)Macropain subunit C3,Multicatalytic endopeptidase complex subunit C3,Proteasome component C3
2B
(B)
Proteasome subunit alpha type-4polymer26129525.81UniProt (P25789)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)Macropain subunit C9,Multicatalytic endopeptidase complex subunit C9,Proteasome component C9,Proteasome subunit L
3C
(C)
Proteasome subunit alpha type-7polymer24827929.91UniProt (O14818)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)Proteasome subunit RC6-1,Proteasome subunit XAPC7
4D
(D)
Proteasome subunit alpha type-5polymer24226462.01UniProt (P28066)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)Macropain zeta chain,Multicatalytic endopeptidase complex zeta chain,Proteasome zeta chain
5E
(E)
Proteasome subunit alpha type-1polymer26429621.71UniProt (P25786)
Pfam (PF00227)
Pfam (PF10584)
Homo sapiens (human)
6F
(F)
Proteasome subunit alpha type-3polymer25528469.31UniProt (P25788)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)Macropain subunit C8,Multicatalytic endopeptidase complex subunit C8,Proteasome component C8
7G
(G)
Proteasome subunit alpha type-6polymer24627432.51UniProt (P60900)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)27 kDa prosomal protein,p27K,Macropain iota chain,Multicatalytic endopeptidase complex iota chain,Proteasome iota chain
8H
(H)
Proteasome maturation proteinpolymer14115805.01UniProt (Q9Y244)
Pfam (PF05348)
Homo sapiens (human)Proteassemblin,Protein UMP1 homolog,hUMP1,Voltage-gated K channel beta subunit 4.1
9I
(I)
Proteasome assembly chaperone 1polymer28832891.91UniProt (O95456)
Pfam (PF16094)
Homo sapiens (human)PAC-1,Chromosome 21 leucine-rich protein,C21-LRP,Down syndrome critical region protein 2
10J
(J)
Proteasome assembly chaperone 2polymer26529449.11UniProt (Q969U7)
Pfam (PF09754)
Homo sapiens (human)
11K
(K)
Proteasome subunit beta type-7polymer33135405.31UniProt (Q99436)
Pfam (PF00227)
Pfam (PF12465)
Homo sapiens (human)
12L
(L)
Proteasome subunit beta type-3polymer20522972.91UniProt (P49720)
Pfam (PF00227)
Homo sapiens (human)Proteasome chain 13,Proteasome component C10-II,Proteasome theta chain
13M
(M)
Proteasome subunit beta type-2polymer20122864.31UniProt (P49721)
Pfam (PF00227)
Homo sapiens (human)Macropain subunit C7-I,Multicatalytic endopeptidase complex subunit C7-I,Proteasome component C7-I
Sequence modifications
D: 1 - 241 (UniProt: P28066)
PDBExternal DatabaseDetails
Ace 0-acetylation
E: 1 - 263 (UniProt: P25786)
PDBExternal DatabaseDetails
Ace 0-acetylation
J: 1 - 264 (UniProt: Q969U7)
PDBExternal DatabaseDetails
Ace 0-acetylation
K: 1 - 237 (UniProt: Q99436)
PDBExternal DatabaseDetails
Glu 237-expression tag
Asp 237-expression tag
Leu 237-expression tag
Tyr 237-expression tag
Phe 237-expression tag
Gln 237-expression tag
Ser 237-expression tag
Val 237-expression tag
Asp 237-expression tag
Ser 237-expression tag
Ala 237-expression tag
Trp 238-expression tag
Ser 238-expression tag
His 238-expression tag
Pro 238-expression tag
Gln 238-expression tag
Phe 238-expression tag
Glu 238-expression tag
Lys 238-expression tag
Gly 238-expression tag
Gly 238-expression tag
Gly 238-expression tag
Ser 238-expression tag
Gly 238-expression tag
Gly 238-expression tag
Gly 238-expression tag
Ser 238-expression tag
Gly 238-expression tag
Gly 238-expression tag
Ser 238-expression tag
Ala 238-expression tag
Trp 238-expression tag
Ser 238-expression tag
His 238-expression tag
Pro 238-expression tag
Gln 238-expression tag
Phe 238-expression tag
Glu 239-expression tag
Lys 239-expression tag
Unk 248-expression tag
Unk 249-expression tag
Unk 250-expression tag
Unk 251-expression tag
Unk 252-expression tag
Unk 253-expression tag
Unk 254-expression tag
Unk 255-expression tag
Unk 256-expression tag
Unk 257-expression tag
Unk 258-expression tag
Unk 259-expression tag
Unk 260-expression tag
Unk 261-expression tag
Unk 262-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains13
Total formula weight354757.1
All*Total formula weight354757.1
*Water molecules are not included.

246333

PDB entries from 2025-12-17

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