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1YBQ

Crystal structure of Escherichia coli isoaspartyl dipeptidase mutant D285N complexed with beta-aspartylhistidine

Functional Information from GO Data
ChainGOidnamespacecontents
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008237molecular_functionmetallopeptidase activity
A0008270molecular_functionzinc ion binding
A0008798molecular_functionbeta-aspartyl-peptidase activity
A0016787molecular_functionhydrolase activity
A0016810molecular_functionhydrolase activity, acting on carbon-nitrogen (but not peptide) bonds
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0008237molecular_functionmetallopeptidase activity
B0008270molecular_functionzinc ion binding
B0008798molecular_functionbeta-aspartyl-peptidase activity
B0016787molecular_functionhydrolase activity
B0016810molecular_functionhydrolase activity, acting on carbon-nitrogen (but not peptide) bonds
B0042802molecular_functionidentical protein binding
B0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN A 391
ChainResidue
AHIS68
AHIS70
AASN285
AZN392
ABDH393
AHOH508

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN A 392
ChainResidue
AZN391
ABDH393
AHOH508
ATYR137
AHIS201
AHIS230

site_idAC3
Number of Residues16
DetailsBINDING SITE FOR RESIDUE BDH A 393
ChainResidue
AGLY74
AGLY75
AGLU77
AGLY105
ATHR106
ATYR137
AARG169
AHIS201
AARG233
AASN285
AGLY288
ASER289
APRO291
AZN391
AZN392
AHOH414

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN B 391
ChainResidue
BHIS68
BHIS70
BKCX162
BASN285
BZN392
BBDH393

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE ZN B 392
ChainResidue
BTYR137
BKCX162
BHIS201
BHIS230
BZN391
BBDH393

site_idAC6
Number of Residues18
DetailsBINDING SITE FOR RESIDUE BDH B 393
ChainResidue
BHIS70
BGLY74
BGLY75
BGLU77
BGLY105
BTHR106
BTYR137
BKCX162
BARG169
BHIS201
BHIS230
BARG233
BASN285
BSER289
BPRO291
BZN391
BZN392
BHOH483

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PubMed","id":"12946361","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12718528","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12946361","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15882050","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16289685","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues10
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"12718528","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"12946361","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"15882050","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsBinding site: {"description":"via carbamate group","evidences":[{"source":"PubMed","id":"12718528","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12946361","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15882050","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16289685","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"N6-carboxylysine","evidences":[{"source":"PubMed","id":"12718528","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"12946361","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"15882050","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16289685","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues1
Detailsa catalytic site defined by CSA, PubMed 15882050
ChainResidueDetails
AASN285

site_idCSA2
Number of Residues1
Detailsa catalytic site defined by CSA, PubMed 15882050
ChainResidueDetails
BASN285

site_idMCSA1
Number of Residues6
DetailsM-CSA 172
ChainResidueDetails
BHIS68metal ligand
BHIS70metal ligand
BKCX162metal ligand
BSER205metal ligand
BASN234metal ligand
BSER289hydrogen bond acceptor, hydrogen bond donor, metal ligand, proton acceptor, proton donor

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PDB entries from 2026-02-25

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