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4KP8

Crystal structure of catalytic domain of human carbonic anhydrase isozyme XII with 3-[(Pyrimidin-2-ylsulfanyl)acetyl]benzenesulfonamide

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B, C, D
(A, B, C, D)
Carbonic anhydrase 12polymer26329917.34UniProt (O43570)
Pfam (PF00194)
Homo sapiens (human)Carbonate dehydratase XII, Carbonic anhydrase XII, CA-XII, Tumor antigen HOM-RCC-3.1.3
2E, H, L, M
(A, B, C, D)
ZINC IONnon-polymer65.44Chemie (ZN)
3F, I, N
(A, B, D)
3-[(pyrimidin-2-ylsulfanyl)acetyl]benzenesulfonamidenon-polymer309.43Chemie (E1G)
4G
(A)
DIMETHYL SULFOXIDEnon-polymer78.11Chemie (DMS)
5J, O
(B, D)
DI(HYDROXYETHYL)ETHERnon-polymer106.12Chemie (PEG)
6K
(B)
1,2-ETHANEDIOLnon-polymer62.11Chemie (EDO)
7P, Q, R, S
(A, B, C, D)
waterwater18.0997Chemie (HOH)
Sequence modifications
A, B, C, D: 2 - 263 (UniProt: O43570)
PDBExternal DatabaseDetails
Met 1-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight119669.3
Non-Polymers*Number of molecules11
Total formula weight1542.2
All*Total formula weight121211.4
*Water molecules are not included.

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PDB entries from 2025-12-10

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