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3PYK

Human Carbonic Anhydrase II as Host for Pianostool Complexes Bearing a Sulfonamide Anchor

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Carbonic anhydrase 2polymer26029273.11UniProt (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)
chloro{N-[di(pyridin-2-yl-kappaN)methyl]-4-sulfamoylbenzamide}[(1,2,3,4,5,6-eta)-(1R,2R,3R,4S,5S,6S)-1,2,3,4,5,6-hexamethylcyclohexane-1,2,3,4,5,6-hexayl]ruthenium(2+)non-polymer667.21Chemie (SRX)
4D
(A)
METHYL MERCURY IONnon-polymer215.61Chemie (MMC)
5E
(A)
SULFATE IONnon-polymer96.11Chemie (SO4)
6F
(A)
waterwater18.0420Chemie (HOH)
Sequence modifications
A: 1 - 261 (UniProt: P00918)
PDBExternal DatabaseDetails
Ala 2Ser 2engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight29273.1
Non-Polymers*Number of molecules4
Total formula weight1044.3
All*Total formula weight30317.4
*Water molecules are not included.

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PDB entries from 2025-06-18

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