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3I3T

Crystal structure of covalent ubiquitin-USP21 complex

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, C, E, G)
Ubiquitin carboxyl-terminal hydrolase 21polymer35540105.74UniProt (Q9UK80)
Pfam (PF00443)
Homo sapiens (human)Ubiquitin thioesterase 21, Ubiquitin-specific-processing protease 21, Deubiquitinating enzyme 21
2E, F, G, H
(B, D, F, H)
Ubiquitinpolymer758519.84UniProt (P62988)
Pfam (PF00240)
UniProt (by SIFTS) (P62987)
Homo sapiens (human)
3I, J, K, L
(A, C, E, G)
ZINC IONnon-polymer65.44Chemie (ZN)
4M, N, O, P
(B, D, F, H)
ETHANAMINEnon-polymer45.14Chemie (NEH)
5Q, R, S, T, U...
(A, C, E, G, B...)
waterwater18.0121Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains8
Total formula weight194501.7
Non-Polymers*Number of molecules8
Total formula weight442.0
All*Total formula weight194943.7
*Water molecules are not included.

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PDB entries from 2025-06-18

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