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4KNM

Crystal structure of human carbonic anhydrase isozyme XIII with 2-Chloro-4-{[(4,6-dimethylpyrimidin-2-yl)sulfanyl]acetyl}benzenesulfonamide

Functional Information from GO Data
ChainGOidnamespacecontents
A0004089molecular_functioncarbonate dehydratase activity
A0005515molecular_functionprotein binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0008270molecular_functionzinc ion binding
A0016829molecular_functionlyase activity
A0043209cellular_componentmyelin sheath
A0043231cellular_componentintracellular membrane-bounded organelle
A0046872molecular_functionmetal ion binding
B0004089molecular_functioncarbonate dehydratase activity
B0005515molecular_functionprotein binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0008270molecular_functionzinc ion binding
B0016829molecular_functionlyase activity
B0043209cellular_componentmyelin sheath
B0043231cellular_componentintracellular membrane-bounded organelle
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 301
ChainResidue
AHIS96
AHIS98
AHIS121
AE1E302

site_idAC2
Number of Residues12
DetailsBINDING SITE FOR RESIDUE E1E A 302
ChainResidue
AVAL145
ALEU200
ATHR201
AVAL202
ATRP211
AZN301
AHOH552
AHIS96
AHIS98
AHIS121
APHE133
AVAL134

site_idAC3
Number of Residues10
DetailsBINDING SITE FOR RESIDUE PGE A 303
ChainResidue
ALEU46
AARG47
APRO48
AASP192
ASER261
AHOH440
AHOH482
BPRO48
BHOH403
BHOH482

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 301
ChainResidue
BHIS96
BHIS98
BHIS121
BE1E302

site_idAC5
Number of Residues12
DetailsBINDING SITE FOR RESIDUE E1E B 302
ChainResidue
BHIS96
BHIS98
BHIS121
BPHE133
BVAL134
BVAL145
BLEU200
BTHR201
BVAL202
BTRP211
BZN301
BHOH472

Functional Information from PROSITE/UniProt
site_idPS00162
Number of Residues17
DetailsALPHA_CA_1 Alpha-carbonic anhydrases signature. SEHiVdgvsYaaELHVV
ChainResidueDetails
ASER107-VAL123

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsACT_SITE: Proton donor/acceptor => ECO:0000250|UniProtKB:P00918
ChainResidueDetails
AHIS66
BHIS66

site_idSWS_FT_FI2
Number of Residues6
DetailsBINDING: BINDING => ECO:0000269|PubMed:18618712
ChainResidueDetails
AHIS96
AHIS98
AHIS121
BHIS96
BHIS98
BHIS121

site_idSWS_FT_FI3
Number of Residues2
DetailsBINDING: BINDING => ECO:0000250|UniProtKB:P00918
ChainResidueDetails
ATHR201
BTHR201

237992

PDB entries from 2025-06-25

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