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4RUH

Crystal structure of Human Carnosinase-2 (CN2) in complex with inhibitor, Bestatin at 2.25 A

Functional Information from GO Data
ChainGOidnamespacecontents
A0004180molecular_functioncarboxypeptidase activity
A0005515molecular_functionprotein binding
A0005654cellular_componentnucleoplasm
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006508biological_processproteolysis
A0008233molecular_functionpeptidase activity
A0008237molecular_functionmetallopeptidase activity
A0016787molecular_functionhydrolase activity
A0016805molecular_functiondipeptidase activity
A0046872molecular_functionmetal ion binding
A0070062cellular_componentextracellular exosome
A0070573molecular_functionmetallodipeptidase activity
B0004180molecular_functioncarboxypeptidase activity
B0005515molecular_functionprotein binding
B0005654cellular_componentnucleoplasm
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006508biological_processproteolysis
B0008233molecular_functionpeptidase activity
B0008237molecular_functionmetallopeptidase activity
B0016787molecular_functionhydrolase activity
B0016805molecular_functiondipeptidase activity
B0046872molecular_functionmetal ion binding
B0070062cellular_componentextracellular exosome
B0070573molecular_functionmetallodipeptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE BES A 501
ChainResidue
AHIS99
ASER417
AHIS445
AMN502
AMN503
BHIS228
BVAL231
BTHR330
AASP132
AGLU166
AGLU167
AASP195
AARG343
AHIS380
AGLU414
AGLY416

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN A 502
ChainResidue
AHIS99
AASP132
AGLU167
AASP195
ABES501
AMN503

site_idAC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN A 503
ChainResidue
AASP132
AGLU167
AHIS445
ABES501
AMN502

site_idAC4
Number of Residues18
DetailsBINDING SITE FOR RESIDUE BES B 501
ChainResidue
AHIS228
AVAL231
ATHR330
BHIS99
BASP132
BGLU166
BGLU167
BASP195
BASN196
BTYR197
BARG343
BGLU414
BGLY416
BSER417
BILE418
BHIS445
BMN502
BMN503

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE MN B 502
ChainResidue
BHIS99
BASP132
BGLU166
BASP195
BBES501
BMN503

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MN B 503
ChainResidue
BASP132
BGLU167
BHIS445
BBES501
BMN502

site_idAC7
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL B 504
ChainResidue
BASP226
BGLY321
BALA322
BPHE323
BLYS329
BVAL331
BPRO333
BHOH684

site_idAC8
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL B 505
ChainResidue
BLYS181
BPHE185
BLYS186
BVAL188
BTHR428
BLYS430

Functional Information from PROSITE/UniProt
site_idPS00759
Number of Residues40
DetailsARGE_DAPE_CPG2_2 ArgE / dapE / ACY1 / CPG2 / yscS family signature 2. STDdKGpvAgwInaleayqktgqeipvn.VrFCLegMEEsG
ChainResidueDetails
ASER130-GLY169

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"Reference","evidenceCode":"ECO:0000269","citation":{"citationType":"submission","publicationDate":"NOV-2014","submissionDatabase":"PDB data bank","title":"Crystal structure of Human Carnosinase-2 (CN2) in complex with inhibitor, Bestatin at 2.25 A.","authors":["Pandya V.","Kaushik A.","Singh A.K.","Singh R.P.","Kumaran S."]}}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues10
DetailsBinding site: {"description":"in other chain","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsSite: {"description":"Important for catalytic activity","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q6Q0N1","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

242842

PDB entries from 2025-10-08

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