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5LF4

Human 20S proteasome complex with Delanzomib at 2.0 Angstrom

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-7polymer24827986.92UniProt (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-1polymer26329720.82UniProt (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-6polymer24627739.82UniProt (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-7polymer23425322.02UniProt (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-2polymer20122989.42UniProt (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-5polymer20422484.42UniProt (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-1polymer21323579.02UniProt (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-4polymer21924414.72UniProt (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-6polymer20521921.82UniProt (P28072)
Pfam (PF00227)
Homo sapiens (Human)Macropain delta chain,Multicatalytic endopeptidase complex delta chain,Proteasome delta chain,Proteasome subunit Y
15AC, AD, BC, BD, CA...
(P, a, Q, A, R...)
CHLORIDE IONnon-polymer35.552Chemie (CL)
PubChem (312)
16ED, FD, KB, KC, SA...
(b, L, U, G, N...)
POTASSIUM IONnon-polymer39.18Chemie (K)
PubChem (813)
17BB, CB, DB, LB, LC...
(I, J, K, L, V...)
MAGNESIUM IONnon-polymer24.310Chemie (MG)
PubChem (888)
18AB, IB, JB, JC, QC...
(I, L, U, W, N...)
PENTAETHYLENE GLYCOLnon-polymer238.39Chemie (1PE)
PubChem (62551)
19GD, HB, VB, XC
(b, K, N, Y)
[(1~{R})-3-methyl-1-[[(2~{S},3~{S})-3-oxidanyl-2-[(6-phenylpyridin-2-yl)carbonylamino]butanoyl]amino]butyl]boronic acidnon-polymer413.34Chemie (6V7)
PubChem (24800541)
PubChem (46939987)
PubChem (56928194)
PubChem (60167535)
PubChem (70895879)
PubChem (70895921)
PubChem (74318895)
PubChem (124645820)
PubChem (133139301)
PubChem (163963084)
PubChem (173665054)
Homo sapiens
20AE, BE, CE, DE, EE...
(T, U, V, W, X...)
waterwater18.03692Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains28
Total formula weight718980.5
Non-Polymers*Number of molecules83
Total formula weight6197.0
All*Total formula weight725177.5
*Water molecules are not included.

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PDB entries from 2026-04-01

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