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4PYX

Crystal structure of human carbonic anhydrase isozyme II with inhibitor

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)Carbonate dehydratase II, Carbonic anhydrase C, CAC, Carbonic anhydrase II, CA-II
2B
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(A)
DIMETHYL SULFOXIDEnon-polymer78.11Chemie (DMS)
4D
(A)
2-(N-MORPHOLINO)-ETHANESULFONIC ACIDnon-polymer195.21Chemie (MES)
5E
(A)
2-(cyclooctylamino)-3,5,6-trifluoro-4-[(2-hydroxyethyl)sulfanyl]benzenesulfonamidenon-polymer412.51Chemie (V90)
6F
(A)
waterwater18.0168Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight29289.1
Non-Polymers*Number of molecules4
Total formula weight751.3
All*Total formula weight30040.3
*Water molecules are not included.

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PDB entries from 2025-06-25

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