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1Z5R

Crystal Structure of Activated Porcine Pancreatic Carboxypeptidase B

Functional Information from GO Data
ChainGOidnamespacecontents
A0004181molecular_functionmetallocarboxypeptidase activity
A0006508biological_processproteolysis
A0008270molecular_functionzinc ion binding
B0004181molecular_functionmetallocarboxypeptidase activity
B0006508biological_processproteolysis
B0008270molecular_functionzinc ion binding
C0004181molecular_functionmetallocarboxypeptidase activity
C0006508biological_processproteolysis
C0008270molecular_functionzinc ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN A 400
ChainResidue
AHIS69
AGLU72
AHIS196

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN B 500
ChainResidue
BHIS69
BGLU72
BHIS196

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN C 600
ChainResidue
CHIS69
CGLU72
CHIS196

Functional Information from PROSITE/UniProt
site_idPS00132
Number of Residues23
DetailsCARBOXYPEPT_ZN_1 Zinc carboxypeptidases, zinc-binding region 1 signature. PaIfMdcGfHArEwISHafcqwF
ChainResidueDetails
APRO60-PHE82

site_idPS00133
Number of Residues11
DetailsCARBOXYPEPT_ZN_2 Zinc carboxypeptidases, zinc-binding region 2 signature. HSYSQMIlYPY
ChainResidueDetails
AHIS196-TYR206

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues882
DetailsDomain: {"description":"Peptidase M14","evidences":[{"source":"PROSITE-ProRule","id":"PRU01379","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsActive site: {"description":"Proton donor/acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU01379","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues21
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"P00730","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01379","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1cbx
ChainResidueDetails
AARG127
AGLU270

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1cbx
ChainResidueDetails
BARG127
BGLU270

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1cbx
ChainResidueDetails
CARG127
CGLU270

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1cbx
ChainResidueDetails
AARG71
AGLU270
AARG127

site_idCSA5
Number of Residues3
DetailsAnnotated By Reference To The Literature 1cbx
ChainResidueDetails
BARG71
BGLU270
BARG127

site_idCSA6
Number of Residues3
DetailsAnnotated By Reference To The Literature 1cbx
ChainResidueDetails
CARG71
CGLU270
CARG127

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PDB entries from 2026-05-27

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