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2ZAK

Orthorhombic crystal structure of precursor E. coli isoaspartyl peptidase/L-asparaginase (EcAIII) with active-site T179A mutation

Functional Information from GO Data
ChainGOidnamespacecontents
A0004067molecular_functionasparaginase activity
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008798molecular_functionbeta-aspartyl-peptidase activity
A0016540biological_processprotein autoprocessing
A0016787molecular_functionhydrolase activity
A0016811molecular_functionhydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
B0004067molecular_functionasparaginase activity
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0008798molecular_functionbeta-aspartyl-peptidase activity
B0016540biological_processprotein autoprocessing
B0016787molecular_functionhydrolase activity
B0016811molecular_functionhydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA A 322
ChainResidue
ALEU60
AGLU61
ACYS63
APHE66
AALA68
AILE70

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL A 323
ChainResidue
AILE310
ATYR311
BGLN23

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE NA B 322
ChainResidue
BLEU60
BGLU61
BCYS63
BPHE66
BALA68
BILE70

site_idAC4
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CL B 323
ChainResidue
AGLN23
BILE310
BTYR311

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE TRS A 1
ChainResidue
AGLY46
AGLY135
AGLU137
AASP188
AGLY253

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Nucleophile","evidences":[{"source":"PubMed","id":"18323626","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"15946951","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2ZAL","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsSite: {"description":"Cleavage; by autolysis","evidences":[{"source":"PubMed","id":"11988085","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
DetailsAnnotated By Reference To The Literature 1apy
ChainResidueDetails
AASN67

site_idCSA2
Number of Residues1
DetailsAnnotated By Reference To The Literature 1apy
ChainResidueDetails
BASN67

site_idCSA3
Number of Residues1
DetailsAnnotated By Reference To The Literature 1apy
ChainResidueDetails
AGLY69

site_idCSA4
Number of Residues1
DetailsAnnotated By Reference To The Literature 1apy
ChainResidueDetails
BGLY69

246704

PDB entries from 2025-12-24

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