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1NSA

THREE-DIMENSIONAL STRUCTURE OF PORCINE PROCARBOXYPEPTIDASE B: A STRUCTURAL BASIS OF ITS INACTIVITY

Functional Information from GO Data
ChainGOidnamespacecontents
A0004180molecular_functioncarboxypeptidase activity
A0004181molecular_functionmetallocarboxypeptidase activity
A0005576cellular_componentextracellular region
A0005615cellular_componentextracellular space
A0006508biological_processproteolysis
A0008237molecular_functionmetallopeptidase activity
A0008270molecular_functionzinc ion binding
A0031410cellular_componentcytoplasmic vesicle
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN A 501
ChainResidue
AHIS69
AGLU72
AHIS196
AHOH502

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE BEN A 1
ChainResidue
AASN144
ASER207
AALA250
AGLY253
AASP255

site_idAC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE BEN A 2
ChainResidue
AGLU20
APRO48
ALEU62
AALA63
AASP66
ATYR248
AHOH581
AHOH610

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE BEN A 3
ChainResidue
AASP31
ATYR92
ATYR210
AHOH531
AHOH696
AHOH697

Functional Information from PROSITE/UniProt
site_idPS00132
Number of Residues23
DetailsCARBOXYPEPT_ZN_1 Zinc carboxypeptidases, zinc-binding region 1 signature. PaIfMdcGfHArEwISQafcqwF
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 Residues1
DetailsACT_SITE: Proton donor/acceptor => ECO:0000255|PROSITE-ProRule:PRU01379
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsBINDING: BINDING => ECO:0000255|PROSITE-ProRule:PRU01379
ChainResidueDetails
ATHR176
ALEU179
ATYR303

site_idSWS_FT_FI3
Number of Residues4
DetailsBINDING: BINDING => ECO:0000250|UniProtKB:P00730
ChainResidueDetails
ALEU233
AALA250
ATHR304

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

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1cbx
ChainResidueDetails
AARG71
AGLU270
AARG127

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PDB entries from 2024-07-17

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