ID   PUR7_RHOCS              Reviewed;         254 AA.
AC   B6IWP6;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-DEC-2008, sequence version 1.
DT   25-MAY-2022, entry version 66.
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}; OrderedLocusNames=RC1_3360;
OS   Rhodospirillum centenum (strain ATCC 51521 / SW).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodospirillales;
OC   Rhodospirillaceae; Rhodospirillum.
OX   NCBI_TaxID=414684;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51521 / SW;
RA   Touchman J.W., Bauer C., Blankenship R.E.;
RT   "Genome sequence of Rhodospirillum centenum.";
RL   Submitted (MAR-2007) to the EMBL/GenBank/DDBJ databases.
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; CP000613; ACJ00720.1; -; Genomic_DNA.
DR   RefSeq; WP_012568498.1; NC_011420.2.
DR   AlphaFoldDB; B6IWP6; -.
DR   SMR; B6IWP6; -.
DR   STRING; 414684.RC1_3360; -.
DR   EnsemblBacteria; ACJ00720; ACJ00720; RC1_3360.
DR   KEGG; rce:RC1_3360; -.
DR   eggNOG; COG0152; Bacteria.
DR   HOGENOM; CLU_061495_2_0_5; -.
DR   OMA; EFCYKND; -.
DR   OrthoDB; 1345271at2; -.
DR   UniPathway; UPA00074; UER00131.
DR   Proteomes; UP000001591; 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.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..254
FT                   /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT                   synthase"
FT                   /id="PRO_1000096006"
SQ   SEQUENCE   254 AA;  28929 MW;  F628C1F9BF067B00 CRC64;
     MTRRRRIYEG KAKILFEGPE PGTLVQYFKD DATAFNAQKK GVITGKGVLN NRISEYLMMK
     LGEIGIPTHF VRRLNMREQL IREVEIIPIE VVVRNVAAGS LTKRFGIPEG TQLPRSIVEY
     YFKNDELGDP MVSEEHITAF GWAAPQDLDD MLALALRVND YLSGLFLGIG LRLVDFKVEF
     GRLWENEEMR IILADEISPD NCRLWDVKTN EKLDKDRFRQ DLGNVAEAYQ EVAKRLGIMP
     EAGPGDMKAP KLVQ