ID   PUR7_RICFE              Reviewed;         236 AA.
AC   Q4UML8;
DT   06-FEB-2007, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2005, sequence version 1.
DT   27-MAR-2024, entry version 96.
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=RF_0339;
OS   Rickettsia felis (strain ATCC VR-1525 / URRWXCal2) (Rickettsia azadi).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Rickettsiales;
OC   Rickettsiaceae; Rickettsieae; Rickettsia; spotted fever group.
OX   NCBI_TaxID=315456;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC VR-1525 / URRWXCal2;
RX   PubMed=15984913; DOI=10.1371/journal.pbio.0030248;
RA   Ogata H., Renesto P., Audic S., Robert C., Blanc G., Fournier P.-E.,
RA   Parinello H., Claverie J.-M., Raoult D.;
RT   "The genome sequence of Rickettsia felis identifies the first putative
RT   conjugative plasmid in an obligate intracellular parasite.";
RL   PLoS Biol. 3:1-12(2005).
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; CP000053; AAY61190.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q4UML8; -.
DR   SMR; Q4UML8; -.
DR   STRING; 315456.RF_0339; -.
DR   KEGG; rfe:RF_0339; -.
DR   eggNOG; COG0152; Bacteria.
DR   HOGENOM; CLU_061495_2_0_5; -.
DR   OrthoDB; 9801549at2; -.
DR   UniPathway; UPA00074; UER00131.
DR   Proteomes; UP000008548; 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   Gene3D; 3.30.470.20; ATP-grasp fold, B domain; 1.
DR   HAMAP; MF_00137; SAICAR_synth; 1.
DR   InterPro; IPR028923; SAICAR_synt/ADE2_N.
DR   InterPro; IPR033934; SAICAR_synt_PurC.
DR   PANTHER; PTHR43599:SF3; BIFUNCTIONAL PHOSPHORIBOSYLAMINOIMIDAZOLE CARBOXYLASE_PHOSPHORIBOSYLAMINOIMIDAZOLE SUCCINOCARBOXAMIDE SYNTHETASE; 1.
DR   PANTHER; PTHR43599; MULTIFUNCTIONAL PROTEIN ADE2; 1.
DR   Pfam; PF01259; SAICAR_synt; 1.
DR   SUPFAM; SSF56104; SAICAR synthase-like; 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_0000274848"
SQ   SEQUENCE   236 AA;  27357 MW;  FC3ECF9AEB1546E5 CRC64;
     MKTQLYKGSS KILYSAEEDF LLIMAFSDNV TLESGEIIEI SGKGVLNNNI SSFLMDKLEM
     NGIENHFIEK INMREQLIQY VEVFPVQVII SSVACGRFVK EFGMDEGYVF DKPIIDFKVR
     SREFKYPIVN EYQILNFGWL TRDEIKAVKE QALRIYDFLS GLFIGVGIRL VECKLEFGRV
     FNGEESIIML TDEISPDNCR LWHINSNEKL GFELLENEPN KAFESYQLIA DRLKEK
//