ID   PUR7_RICPU              Reviewed;         236 AA.
AC   C4K0X5;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   07-JUL-2009, sequence version 1.
DT   25-MAY-2022, entry version 60.
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=RPR_01790;
OS   Rickettsia peacockii (strain Rustic).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC   Rickettsiaceae; Rickettsieae; Rickettsia; spotted fever group.
OX   NCBI_TaxID=562019;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Rustic;
RX   PubMed=20027221; DOI=10.1371/journal.pone.0008361;
RA   Felsheim R.F., Kurtti T.J., Munderloh U.G.;
RT   "Genome sequence of the endosymbiont Rickettsia peacockii and comparison
RT   with virulent Rickettsia rickettsii: identification of virulence factors.";
RL   PLoS ONE 4:E8361-E8361(2009).
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; CP001227; ACR47226.1; -; Genomic_DNA.
DR   RefSeq; WP_004996420.1; NC_012730.1.
DR   AlphaFoldDB; C4K0X5; -.
DR   SMR; C4K0X5; -.
DR   EnsemblBacteria; ACR47226; ACR47226; RPR_01790.
DR   GeneID; 45538886; -.
DR   KEGG; rpk:RPR_01790; -.
DR   HOGENOM; CLU_061495_2_0_5; -.
DR   OMA; EFCYKND; -.
DR   UniPathway; UPA00074; UER00131.
DR   Proteomes; UP000005015; 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   Pfam; PF01259; SAICAR_synt; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis.
FT   CHAIN           1..236
FT                   /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT                   synthase"
FT                   /id="PRO_1000203240"
SQ   SEQUENCE   236 AA;  27436 MW;  C5CF046D9713F44F CRC64;
     MKKKLYEGSS KILYSAEEDF LLIMAFSDKA ILETGEIVDI SGKGVLNNNI SSFLMDKLEM
     IGIENHFIEK INMREQLIQY VEVFPIQVII SSVACSRFVK EFGIDEGYVF DKPIIDFKVR
     SREFKYPIVN EYQILNFGWL TRDEIKAVKE QALRIYDFLS GLFIGVGIRL VECKLEFGRV
     FNGEESIIML TDEISPDNCR LWHINSNEKL GFELLEKEPN KVFESYQLIA DRLKEK