PUR7_ECOSM
ID PUR7_ECOSM Reviewed; 237 AA.
AC B1LNC6;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 1.
DT 25-MAY-2022, entry version 78.
DE RecName: Full=Phosphoribosylaminoimidazole-succinocarboxamide synthase {ECO:0000255|HAMAP-Rule:MF_00137};
DE EC=6.3.2.6 {ECO:0000255|HAMAP-Rule:MF_00137};
DE AltName: Full=SAICAR synthetase {ECO:0000255|HAMAP-Rule:MF_00137};
GN Name=purC {ECO:0000255|HAMAP-Rule:MF_00137};
GN OrderedLocusNames=EcSMS35_2623;
OS Escherichia coli (strain SMS-3-5 / SECEC).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=439855;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SMS-3-5 / SECEC;
RX PubMed=18708504; DOI=10.1128/jb.00661-08;
RA Fricke W.F., Wright M.S., Lindell A.H., Harkins D.M., Baker-Austin C.,
RA Ravel J., Stepanauskas R.;
RT "Insights into the environmental resistance gene pool from the genome
RT sequence of the multidrug-resistant environmental isolate Escherichia coli
RT SMS-3-5.";
RL J. Bacteriol. 190:6779-6794(2008).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + ATP +
CC L-aspartate = (2S)-2-[5-amino-1-(5-phospho-beta-D-ribosyl)imidazole-
CC 4-carboxamido]succinate + ADP + 2 H(+) + phosphate;
CC Xref=Rhea:RHEA:22628, ChEBI:CHEBI:15378, ChEBI:CHEBI:29991,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:58443,
CC ChEBI:CHEBI:77657, ChEBI:CHEBI:456216; EC=6.3.2.6;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00137};
CC -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; 5-
CC amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-1-(5-
CC phospho-D-ribosyl)imidazole-4-carboxylate: step 1/2.
CC {ECO:0000255|HAMAP-Rule:MF_00137}.
CC -!- SIMILARITY: Belongs to the SAICAR synthetase family.
CC {ECO:0000255|HAMAP-Rule:MF_00137}.
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DR EMBL; CP000970; ACB19295.1; -; Genomic_DNA.
DR RefSeq; WP_001295467.1; NC_010498.1.
DR AlphaFoldDB; B1LNC6; -.
DR SMR; B1LNC6; -.
DR EnsemblBacteria; ACB19295; ACB19295; EcSMS35_2623.
DR GeneID; 67416868; -.
DR KEGG; ecm:EcSMS35_2623; -.
DR HOGENOM; CLU_061495_2_1_6; -.
DR OMA; EFCYKND; -.
DR UniPathway; UPA00074; UER00131.
DR Proteomes; UP000007011; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004639; F:phosphoribosylaminoimidazolesuccinocarboxamide synthase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR GO; GO:0009236; P:cobalamin biosynthetic process; IEA:InterPro.
DR CDD; cd01415; SAICAR_synt_PurC; 1.
DR HAMAP; MF_00137; SAICAR_synth; 1.
DR InterPro; IPR028923; SAICAR_synt/ADE2_N.
DR InterPro; IPR033934; SAICAR_synt_PurC.
DR InterPro; IPR001636; SAICAR_synth.
DR InterPro; IPR018236; SAICAR_synthetase_CS.
DR Pfam; PF01259; SAICAR_synt; 1.
DR TIGRFAMs; TIGR00081; purC; 1.
DR PROSITE; PS01057; SAICAR_SYNTHETASE_1; 1.
DR PROSITE; PS01058; SAICAR_SYNTHETASE_2; 1.
PE 3: Inferred from homology;
KW ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis.
FT CHAIN 1..237
FT /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT synthase"
FT /id="PRO_1000117835"
SQ SEQUENCE 237 AA; 26995 MW; E5D0E69E84E35C97 CRC64;
MQKQAELYRG KAKTVYSTEN PDLLVLEFRN DTSAGDGARI EQFDRKGMVN NKFNYFIMSK
LAEAGIPTQM ERLLSDTECL VKKLDMVPVE CVVRNRAAGS LVKRLGIEEG IELNPPLFDL
FLKNDAMHDP MVNESYCETF GWVSKENLAR MKELTYKAND VLKKLFDDAG LILVDFKLEF
GLYKGEVVLG DEFSPDGSRL WDKETLEKMD KDRFRQSLGG LIEAYEAVAR RLGVQLD
