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4ZAO

Genetically engineered Carbonic anhydrase IX

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Carbonic anhydrase 2polymer26029200.91UniProt (P00918)
Pfam (PF00194)
Homo sapiens (Human)Carbonate dehydratase II,Carbonic anhydrase C,CAC,Carbonic anhydrase II,CA-II, Carbonic anhydrase IX mimic
2B
(A)
ZINC IONnon-polymer65.41Chemie (ZN)
3C
(A)
waterwater18.0169Chemie (HOH)
Sequence modifications
A: 1 - 258 (UniProt: P00918)
PDBExternal DatabaseDetails
Ser 65Ala 65engineered mutation
Gln 67Asn 67engineered mutation
Thr 69Glu 69engineered mutation
Leu 91Ile 91engineered mutation
Val 131Phe 130engineered mutation
Glu 170Lys 169engineered mutation
Ala 204Leu 203engineered mutation
Ser 259-expression tag
Phe 260-expression tag
Lys 261-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight29200.9
Non-Polymers*Number of molecules1
Total formula weight65.4
All*Total formula weight29266.3
*Water molecules are not included.

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PDB entries from 2025-07-16

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