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1K92

Crystal Structure of Uncomplexed E. coli Argininosuccinate Synthetase

Functional Information from GO Data
ChainGOidnamespacecontents
A0000050biological_processurea cycle
A0000053biological_processargininosuccinate metabolic process
A0000166molecular_functionnucleotide binding
A0004055molecular_functionargininosuccinate synthase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006526biological_processL-arginine biosynthetic process
A0008652biological_processamino acid biosynthetic process
A0016874molecular_functionligase activity
A0042802molecular_functionidentical protein binding
A0042803molecular_functionprotein homodimerization activity
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 603
ChainResidue
ALEU4
ALYS5
AHIS6
AHOH906

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 604
ChainResidue
ALYS382
AARG385
ATHR412
AHOH802
AHOH950

site_idAC3
Number of Residues1
DetailsBINDING SITE FOR RESIDUE SO4 A 605
ChainResidue
AARG73

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE SO4 A 606
ChainResidue
ATYR98
APRO103
AASN134
AARG138
ATYR331
AHOH830
AHOH837
AHOH920

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 602
ChainResidue
ALEU21
AARG168
ATYR182
ASER185
AHOH905

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 501
ChainResidue
AGLN32
APHE174
AGLU358
AHOH784
AHOH915
AHOH1019
AHOH1032

Functional Information from PROSITE/UniProt
site_idPS00564
Number of Residues9
DetailsARGININOSUCCIN_SYN_1 Argininosuccinate synthase signature 1. AFSGGLDTS
ChainResidueDetails
AALA16-SER24

site_idPS00565
Number of Residues12
DetailsARGININOSUCCIN_SYN_2 Argininosuccinate synthase signature 2. GsTyKGNDieRF
ChainResidueDetails
AGLY128-PHE139

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues11
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11809762","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues7
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11738042","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"11809762","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"11738042","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1kp2
ChainResidueDetails
AASP135
AARG106

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PDB entries from 2025-08-27

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