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1A48

SAICAR SYNTHASE

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0004639molecular_functionphosphoribosylaminoimidazolesuccinocarboxamide synthase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005634cellular_componentnucleus
A0005737cellular_componentcytoplasm
A0006164biological_processpurine nucleotide biosynthetic process
A0006189biological_process'de novo' IMP biosynthetic process
A0009152biological_processpurine ribonucleotide biosynthetic process
A0016874molecular_functionligase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 A 307
ChainResidue
AARG122
AGLY127
ASER128
AARG242
AHOH498
AHOH583

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 308
ChainResidue
AHOH483
AHOH507
ALYS19
AVAL20
AARG21

Functional Information from PROSITE/UniProt
site_idPS01057
Number of Residues15
DetailsSAICAR_SYNTHETASE_1 SAICAR synthetase signature 1. LIPLEvIVRgyiTGS
ChainResidueDetails
ALEU114-SER128

site_idPS01058
Number of Residues9
DetailsSAICAR_SYNTHETASE_2 SAICAR synthetase signature 2. IADtKFEFG
ChainResidueDetails
AILE213-GLY221

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsModified residue: {"description":"N-acetylserine","evidences":[{"source":"PubMed","id":"9551557","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22814378","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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