ID   PUR7_STRP6              Reviewed;         234 AA.
AC   Q5XEF7;
DT   30-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT   30-AUG-2005, sequence version 2.
DT   25-MAY-2022, entry version 99.
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=M6_Spy0071;
OS   Streptococcus pyogenes serotype M6 (strain ATCC BAA-946 / MGAS10394).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=286636;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-946 / MGAS10394;
RX   PubMed=15272401; DOI=10.1086/422697;
RA   Banks D.J., Porcella S.F., Barbian K.D., Beres S.B., Philips L.E.,
RA   Voyich J.M., DeLeo F.R., Martin J.M., Somerville G.A., Musser J.M.;
RT   "Progress toward characterization of the group A Streptococcus metagenome:
RT   complete genome sequence of a macrolide-resistant serotype M6 strain.";
RL   J. Infect. Dis. 190:727-738(2004).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAT86206.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000003; AAT86206.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_027968831.1; NC_006086.1.
DR   AlphaFoldDB; Q5XEF7; -.
DR   SMR; Q5XEF7; -.
DR   EnsemblBacteria; AAT86206; AAT86206; M6_Spy0071.
DR   KEGG; spa:M6_Spy0071; -.
DR   HOGENOM; CLU_061495_2_0_9; -.
DR   UniPathway; UPA00074; UER00131.
DR   Proteomes; UP000001167; 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..234
FT                   /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT                   synthase"
FT                   /id="PRO_0000100885"
SQ   SEQUENCE   234 AA;  26791 MW;  5545042C518D17CB CRC64;
     MTNQLIYKGK AKDIYSTKDE NVIRTVYKDQ ATMLNGARKE AIDGKGALNN QISSLIFEKL
     NKAGVVTHYI EQISKNEQLN KKVDIIPLEV VLRNVTAGSF SKRFGVEEGR VLETPIVEFY
     YKNDDLNDPF INDEHVKFLG IVNDEEIAYL KGETRRINEL LKGWFAQIGL NLIDFKLEFG
     FDQEGTIILA DELSPDNCRL WDKNGNHMDK DVFRRDLGNL TDVYQVVLEK LIAL