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1JD0

CRYSTAL STRUCTURE OF THE EXTRACELLULAR DOMAIN OF HUMAN CARBONIC ANHYDRASE XII COMPLEXED WITH ACETAZOLAMIDE

Functional Information from GO Data
ChainGOidnamespacecontents
A0004089molecular_functioncarbonate dehydratase activity
A0008270molecular_functionzinc ion binding
B0004089molecular_functioncarbonate dehydratase activity
B0008270molecular_functionzinc ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 901
ChainResidue
AHIS94
AHIS96
AHIS119
AAZM1400

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 902
ChainResidue
BHIS94
BHIS96
BHIS119
BAZM2401

site_idAC3
Number of Residues11
DetailsBINDING SITE FOR RESIDUE AZM A 1400
ChainResidue
AHIS94
AHIS96
AHIS119
AVAL121
ALEU198
ATHR199
ATHR200
ATRP209
AZN901
AHOH1440
AGLN92

site_idAC4
Number of Residues12
DetailsBINDING SITE FOR RESIDUE AZM B 2401
ChainResidue
BGLN92
BHIS94
BHIS96
BHIS119
BVAL121
BLEU198
BTHR199
BTHR200
BTRP209
BZN902
BHOH2429
BHOH2614

Functional Information from PROSITE/UniProt
site_idPS00162
Number of Residues17
DetailsALPHA_CA_1 Alpha-carbonic anhydrases signature. SEHtVsgqhFaaELHIV
ChainResidueDetails
ASER105-VAL121

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"UniProtKB","id":"P00918","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11493685","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P00918","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ca2
ChainResidueDetails
ATHR199
AHIS64

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ca2
ChainResidueDetails
BTHR199
BHIS64

239803

PDB entries from 2025-08-06

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