ID   PUR7_COLP3              Reviewed;         367 AA.
AC   Q480B3;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   03-AUG-2022, entry version 107.
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=CPS_2905;
OS   Colwellia psychrerythraea (strain 34H / ATCC BAA-681) (Vibrio
OS   psychroerythus).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Colwelliaceae; Colwellia.
OX   NCBI_TaxID=167879;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=34H / ATCC BAA-681;
RX   PubMed=16043709; DOI=10.1073/pnas.0504766102;
RA   Methe B.A., Nelson K.E., Deming J.W., Momen B., Melamud E., Zhang X.,
RA   Moult J., Madupu R., Nelson W.C., Dodson R.J., Brinkac L.M.,
RA   Daugherty S.C., Durkin A.S., DeBoy R.T., Kolonay J.F., Sullivan S.A.,
RA   Zhou L., Davidsen T.M., Wu M., Huston A.L., Lewis M., Weaver B.,
RA   Weidman J.F., Khouri H., Utterback T.R., Feldblyum T.V., Fraser C.M.;
RT   "The psychrophilic lifestyle as revealed by the genome sequence of
RT   Colwellia psychrerythraea 34H through genomic and proteomic analyses.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:10913-10918(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; CP000083; AAZ24402.1; -; Genomic_DNA.
DR   RefSeq; WP_011043698.1; NC_003910.7.
DR   AlphaFoldDB; Q480B3; -.
DR   SMR; Q480B3; -.
DR   STRING; 167879.CPS_2905; -.
DR   EnsemblBacteria; AAZ24402; AAZ24402; CPS_2905.
DR   KEGG; cps:CPS_2905; -.
DR   eggNOG; COG0152; Bacteria.
DR   HOGENOM; CLU_064197_0_0_6; -.
DR   OMA; QKARPVM; -.
DR   OrthoDB; 1345271at2; -.
DR   UniPathway; UPA00074; UER00131.
DR   Proteomes; UP000000547; 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; IPR014106; SAICAR_synthase_Vibrio-typ.
DR   Pfam; PF01259; SAICAR_synt; 1.
DR   TIGRFAMs; TIGR02735; purC_vibrio; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..367
FT                   /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT                   synthase"
FT                   /id="PRO_1000117829"
SQ   SEQUENCE   367 AA;  41261 MW;  D6D293336E27E443 CRC64;
     MNLADKVLAV NNDLPIRTDS PVHSGKVRSV YWLTATDSKR LIEEKGYDVP SDTSLAIMVI
     SDRISAFDCI WSGENDMRGV PGKGAALNAI SNHWFKMFKE QGLADSHILD IPHPFVWIVQ
     KAKPVMIEAI CRQYITGSMW RSYTKGERDF CGIELPEGLA KDSKLTSLLQ TPSTKGILEG
     IPGVPAVDDV NITRKNIEDN FEAFNFKSVD DIARYEKLLT EGFDVISTAL SKIDQVFVDT
     KFEFGYVKDV NGDDKLIYMD EVGTPDSSRI WDGEQYRAGK VVENSKEGFR QLLLNHFPDA
     DILLNKDRMS EREALARDNK LPLSVLMDVS KTYTDIAEKI TGNKIVLSDN PKAEIIAILR
     EQYQLID