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3M40

Crystal structure of human carbonic anhydrase isozyme II with 4-[N-(6-chloro-5-nitropyrimidin-4-yl)amino]benzenesulfonamide

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Carbonic anhydrase 2polymer26029289.11UniProt (P00918)
Pfam (PF00194)
Homo sapiens (human)Carbonic anhydrase II, CA-II, Carbonate dehydratase II, Carbonic anhydrase C, CAC
2B
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(A)
4-[(6-chloro-5-nitropyrimidin-4-yl)amino]benzenesulfonamidenon-polymer329.71Chemie (J45)
4D
(A)
DIMETHYL SULFOXIDEnon-polymer78.11Chemie (DMS)
5E
(A)
waterwater18.0229Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight29289.1
Non-Polymers*Number of molecules3
Total formula weight473.3
All*Total formula weight29762.3
*Water molecules are not included.

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PDB entries from 2025-12-24

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