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3SAP

Crystal structure of human carbonic anhydrase isozyme II with 4-{[(5-butyl-2-pyrimidinyl)sulfanyl]acetyl}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)Carbonate dehydratase II, Carbonic anhydrase C, CAC, Carbonic anhydrase II, CA-II
2B
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(A)
BICINEnon-polymer163.21Chemie (BCN)
4D
(A)
2-(N-MORPHOLINO)-ETHANESULFONIC ACIDnon-polymer195.21Chemie (MES)
5E
(A)
DIMETHYL SULFOXIDEnon-polymer78.11Chemie (DMS)
6F
(A)
4-{[(5-butylpyrimidin-2-yl)sulfanyl]acetyl}benzenesulfonamidenon-polymer365.51Chemie (E2I)
7G
(A)
waterwater18.0195Chemie (HOH)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight29289.1
Non-Polymers*Number of molecules5
Total formula weight867.4
All*Total formula weight30156.5
*Water molecules are not included.

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PDB entries from 2025-06-18

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