ID   PUR7_PORGI              Reviewed;         313 AA.
AC   Q7MVR8;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   15-DEC-2003, sequence version 1.
DT   25-MAY-2022, entry version 102.
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=PG_0976;
OS   Porphyromonas gingivalis (strain ATCC BAA-308 / W83).
OC   Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Porphyromonadaceae;
OC   Porphyromonas.
OX   NCBI_TaxID=242619;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-308 / W83;
RX   PubMed=12949112; DOI=10.1128/jb.185.18.5591-5601.2003;
RA   Nelson K.E., Fleischmann R.D., DeBoy R.T., Paulsen I.T., Fouts D.E.,
RA   Eisen J.A., Daugherty S.C., Dodson R.J., Durkin A.S., Gwinn M.L.,
RA   Haft D.H., Kolonay J.F., Nelson W.C., Mason T.M., Tallon L., Gray J.,
RA   Granger D., Tettelin H., Dong H., Galvin J.L., Duncan M.J., Dewhirst F.E.,
RA   Fraser C.M.;
RT   "Complete genome sequence of the oral pathogenic bacterium Porphyromonas
RT   gingivalis strain W83.";
RL   J. Bacteriol. 185:5591-5601(2003).
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; AE015924; AAQ66102.1; -; Genomic_DNA.
DR   RefSeq; WP_005875408.1; NC_002950.2.
DR   AlphaFoldDB; Q7MVR8; -.
DR   SMR; Q7MVR8; -.
DR   STRING; 242619.PG_0976; -.
DR   EnsemblBacteria; AAQ66102; AAQ66102; PG_0976.
DR   KEGG; pgi:PG_0976; -.
DR   eggNOG; COG0152; Bacteria.
DR   HOGENOM; CLU_045637_0_1_10; -.
DR   OMA; TKFEFGF; -.
DR   OrthoDB; 1345271at2; -.
DR   UniPathway; UPA00074; UER00131.
DR   Proteomes; UP000000588; 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   HAMAP; MF_00137; SAICAR_synth; 1.
DR   InterPro; IPR028923; SAICAR_synt/ADE2_N.
DR   InterPro; IPR018236; SAICAR_synthetase_CS.
DR   Pfam; PF01259; SAICAR_synt; 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;
KW   Reference proteome.
FT   CHAIN           1..313
FT                   /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT                   synthase"
FT                   /id="PRO_0000100851"
SQ   SEQUENCE   313 AA;  36032 MW;  0E588AE71B6C92B6 CRC64;
     MKETLARTDF RLPGQKAVYH GKVRDVYTLE NDLLVMIATD RISAFDVVLP AGIPYKGQVL
     NQIAAHYLDA TRDIVPNWKI ATPDPMVTIG HRCEPFKVEM VIRGYITGSA WRAYAAGERV
     LCGLPLPEGM RENQRFEHPI ITPTTKADEG HDENISRQEI IAQGLVSKED YEQIERYTYA
     LFERGTQMAA EKGLILVDTK YEFGKKDGKI YLIDEIHTPD SSRYFYAEGY QERFERGEAQ
     KQLSKEFVRQ WLIENGFQGK PGQQIPKMTE AYCDSVSERY IELYERVVGK PFEKADLSNL
     AERIEKNITE YLR