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3OJK

Structure of Co-substituted Homoprotocatechuate 2,3-Dioxygenase in complex with 4-nitrocatechol at 1.68 Ang resolution

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Homoprotocatechuate 2,3-dioxygenasepolymer36541755.34UniProt (Q45135)
Pfam (PF00903)
Brevibacterium fuscum
2E, I, O, T
(A, B, C, D)
COBALT (II) IONnon-polymer58.94Chemie (CO)
3F, P, U
(A, C, D)
4-NITROCATECHOLnon-polymer155.13Chemie (4NC)
4G, J, Q, V
(A, B, C, D)
CHLORIDE IONnon-polymer35.54Chemie (CL)
5H, M, N, S, X
(A, B, C, D)
HEXAETHYLENE GLYCOLnon-polymer282.35Chemie (P6G)
6K
(B)
CALCIUM IONnon-polymer40.11Chemie (CA)
7L, R, W
(B, C, D)
TETRAETHYLENE GLYCOLnon-polymer194.23Chemie (PG4)
8AA, BA, Y, Z
(C, D, A, B)
waterwater18.01369Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight167021.3
Non-Polymers*Number of molecules20
Total formula weight2877.3
All*Total formula weight169898.6
*Water molecules are not included.

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PDB entries from 2025-06-18

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