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8TM6

Human premature 20S proteasome assembly intermediate

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, O
(A, O)
Proteasome subunit alpha type-2polymer23425927.52UniProt (P25787)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)Macropain subunit C3,Multicatalytic endopeptidase complex subunit C3,Proteasome component C3
2B, P
(B, P)
Proteasome subunit alpha type-4polymer26129525.82UniProt (P25789)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)Macropain subunit C9,Multicatalytic endopeptidase complex subunit C9,Proteasome component C9,Proteasome subunit L
3C, Q
(C, Q)
Proteasome subunit alpha type-7polymer24827929.92UniProt (O14818)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)Proteasome subunit RC6-1,Proteasome subunit XAPC7
4D, R
(D, R)
Proteasome subunit alpha type-5polymer24126436.02UniProt (P28066)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)Macropain zeta chain,Multicatalytic endopeptidase complex zeta chain,Proteasome zeta chain
5E, S
(E, S)
Proteasome subunit alpha type-1polymer26329595.62UniProt (P25786)
Pfam (PF00227)
Pfam (PF10584)
Homo sapiens (human)30 kDa prosomal protein,PROS-30,Macropain subunit C2,Multicatalytic endopeptidase complex subunit C2,Proteasome component C2,Proteasome nu chain
6F, T
(F, T)
Proteasome subunit alpha type-3polymer25528469.32UniProt (P25788)
Pfam (PF10584)
Pfam (PF00227)
Homo sapiens (human)Macropain subunit C8,Multicatalytic endopeptidase complex subunit C8,Proteasome component C8
7G, U
(G, U)
Proteasome subunit alpha type-6polymer24627432.52UniProt (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, V
(H, V)
Proteasome subunit beta type-7polymer27730000.42UniProt (Q99436)
Pfam (PF00227)
Pfam (PF12465)
Homo sapiens (human)Macropain chain Z,Multicatalytic endopeptidase complex chain Z,Proteasome subunit Z
9I, W
(I, W)
Proteasome subunit beta type-3polymer20522972.92UniProt (P49720)
Pfam (PF00227)
Homo sapiens (human)Proteasome chain 13,Proteasome component C10-II,Proteasome theta chain
10J, X
(J, X)
Proteasome subunit beta type-2polymer20122864.32UniProt (P49721)
Pfam (PF00227)
Homo sapiens (human)Macropain subunit C7-I,Multicatalytic endopeptidase complex subunit C7-I,Proteasome component C7-I
11K, Y
(K, Y)
Proteasome subunit beta type-5polymer26328510.22UniProt (P28074)
Pfam (PF00227)
Homo sapiens (human)Macropain epsilon chain,Multicatalytic endopeptidase complex epsilon chain,Proteasome chain 6,Proteasome epsilon chain,Proteasome subunit MB1,Proteasome subunit X
12L, Z
(L, Z)
Proteasome subunit beta type-1polymer24126522.42UniProt (P20618)
Pfam (PF00227)
Homo sapiens (human)Macropain subunit C5,Multicatalytic endopeptidase complex subunit C5,Proteasome component C5,Proteasome gamma chain
13AA, M
(M, a)
Proteasome subunit beta type-4polymer26429231.22UniProt (P28070)
Pfam (PF00227)
Homo sapiens (human)26 kDa prosomal protein,PROS-26,Macropain beta chain,Multicatalytic endopeptidase complex beta chain,Proteasome beta chain,Proteasome chain 3,HsN3
14BA, N
(N, b)
Proteasome subunit beta type-6polymer23925377.72UniProt (P28072)
Pfam (PF00227)
Homo sapiens (human)Macropain delta chain,Multicatalytic endopeptidase complex delta chain,Proteasome delta chain,Proteasome subunit Y
15CA, FA
(c, f)
Proteasome assembly chaperone 1polymer28832891.92UniProt (O95456)
Pfam (PF16094)
Homo sapiens (human)PAC-1,Chromosome 21 leucine-rich protein,C21-LRP,Down syndrome critical region protein 2
16DA, GA
(d, g)
Proteasome assembly chaperone 2polymer26429423.02UniProt (Q969U7)
Pfam (PF09754)
Homo sapiens (human)PAC-2,Hepatocellular carcinoma-susceptibility protein 3,Tumor necrosis factor superfamily member 5-induced protein 1
17EA, HA
(e, h)
Proteasome maturation proteinpolymer14115805.02UniProt (Q9Y244)
Pfam (PF05348)
Homo sapiens (human)Proteassemblin,Protein UMP1 homolog,hUMP1,Voltage-gated K channel beta subunit 4.1
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains34
Total formula weight917831.1
All*Total formula weight917831.1
*Water molecules are not included.

237423

PDB entries from 2025-06-11

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