ID   PUR7_CYTH3              Reviewed;         310 AA.
AC   Q11TT6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   22-AUG-2006, sequence version 1.
DT   25-MAY-2022, entry version 86.
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=CHU_1912;
OS   Cytophaga hutchinsonii (strain ATCC 33406 / DSM 1761 / CIP 103989 / NBRC
OS   15051 / NCIMB 9469 / D465).
OC   Bacteria; Bacteroidetes; Cytophagia; Cytophagales; Cytophagaceae;
OC   Cytophaga.
OX   NCBI_TaxID=269798;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33406 / DSM 1761 / CIP 103989 / NBRC 15051 / NCIMB 9469 / D465;
RX   PubMed=17400776; DOI=10.1128/aem.00225-07;
RA   Xie G., Bruce D.C., Challacombe J.F., Chertkov O., Detter J.C., Gilna P.,
RA   Han C.S., Lucas S., Misra M., Myers G.L., Richardson P., Tapia R.,
RA   Thayer N., Thompson L.S., Brettin T.S., Henrissat B., Wilson D.B.,
RA   McBride M.J.;
RT   "Genome sequence of the cellulolytic gliding bacterium Cytophaga
RT   hutchinsonii.";
RL   Appl. Environ. Microbiol. 73:3536-3546(2007).
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; CP000383; ABG59178.1; -; Genomic_DNA.
DR   RefSeq; WP_011585295.1; NZ_FPJX01000003.1.
DR   AlphaFoldDB; Q11TT6; -.
DR   SMR; Q11TT6; -.
DR   STRING; 269798.CHU_1912; -.
DR   PRIDE; Q11TT6; -.
DR   EnsemblBacteria; ABG59178; ABG59178; CHU_1912.
DR   KEGG; chu:CHU_1912; -.
DR   eggNOG; COG0152; Bacteria.
DR   HOGENOM; CLU_045637_0_1_10; -.
DR   OMA; TKFEFGF; -.
DR   OrthoDB; 1345271at2; -.
DR   UniPathway; UPA00074; UER00131.
DR   Proteomes; UP000001822; 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; PS01058; SAICAR_SYNTHETASE_2; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..310
FT                   /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT                   synthase"
FT                   /id="PRO_1000018696"
SQ   SEQUENCE   310 AA;  34938 MW;  A1F8D9711749906B CRC64;
     MNAIKETRFE LPGQTGFYKG KVRDVYYVAD KLVVVASDRI SAFDVVLPRA IPFKGQVLNQ
     IAAKMLAQTA DVVPNWILSV PDPSVSIGIK CEPFKVEMVI RGYLAGHAAR EYKAGKRTLC
     GVALPEELKE NDKLPAPIIT PTTKADEGHD EDISREDLLA RGIVSEADYI QLEKYTQALF
     QRGTELAEKQ GLILVDTKYE FGKVGDKIYL IDEIHTPDSS RYFYIDGYAE RQAKGEAQKQ
     LSKEFVRQWL IENGFQGKEG QNVPVMTDEI VSSISERYIE LYEKVIGESF KKPEESNPEE
     RILKNILKAL