PUR7_DEIRA
ID PUR7_DEIRA Reviewed; 237 AA.
AC Q9RXT0;
DT 26-JUL-2002, integrated into UniProtKB/Swiss-Prot.
DT 26-JUL-2002, sequence version 2.
DT 25-MAY-2022, entry version 129.
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=DR_0226;
OS Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG
OS 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422).
OC Bacteria; Deinococcus-Thermus; Deinococci; Deinococcales; Deinococcaceae;
OC Deinococcus.
OX NCBI_TaxID=243230;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB
RC 9279 / R1 / VKM B-1422;
RX PubMed=10567266; DOI=10.1126/science.286.5444.1571;
RA White O., Eisen J.A., Heidelberg J.F., Hickey E.K., Peterson J.D.,
RA Dodson R.J., Haft D.H., Gwinn M.L., Nelson W.C., Richardson D.L.,
RA Moffat K.S., Qin H., Jiang L., Pamphile W., Crosby M., Shen M.,
RA Vamathevan J.J., Lam P., McDonald L.A., Utterback T.R., Zalewski C.,
RA Makarova K.S., Aravind L., Daly M.J., Minton K.W., Fleischmann R.D.,
RA Ketchum K.A., Nelson K.E., Salzberg S.L., Smith H.O., Venter J.C.,
RA Fraser C.M.;
RT "Genome sequence of the radioresistant bacterium Deinococcus radiodurans
RT R1.";
RL Science 286:1571-1577(1999).
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=AAF09811.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; AE000513; AAF09811.1; ALT_INIT; Genomic_DNA.
DR PIR; G75545; G75545.
DR RefSeq; NP_293950.1; NC_001263.1.
DR RefSeq; WP_027480166.1; NC_001263.1.
DR AlphaFoldDB; Q9RXT0; -.
DR SMR; Q9RXT0; -.
DR STRING; 243230.DR_0226; -.
DR EnsemblBacteria; AAF09811; AAF09811; DR_0226.
DR KEGG; dra:DR_0226; -.
DR PATRIC; fig|243230.17.peg.389; -.
DR eggNOG; COG0152; Bacteria.
DR HOGENOM; CLU_061495_2_0_0; -.
DR InParanoid; Q9RXT0; -.
DR OMA; EFCYKND; -.
DR OrthoDB; 1345271at2; -.
DR UniPathway; UPA00074; UER00131.
DR Proteomes; UP000002524; Chromosome I.
DR GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004639; F:phosphoribosylaminoimidazolesuccinocarboxamide synthase activity; IBA:GO_Central.
DR GO; GO:0006189; P:'de novo' IMP biosynthetic process; IBA:GO_Central.
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;
KW Reference proteome.
FT CHAIN 1..237
FT /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT synthase"
FT /id="PRO_0000100824"
SQ SEQUENCE 237 AA; 26815 MW; 845CAFDA700ECAB7 CRC64;
MTRGEMKYEG KAKRVYATEN PHEYVVEYKD DATAFNAQKR GEWAGKGATN NAITAHLYPQ
LEAAGIPTHF LEKLSDREQR VKAVTIVPVE VIVRNVAAGS FSKRLGVEEG TPLPRPVVEY
CYKSDALGDP LINTDTAVAL GWASEDDLKR IRELALQIRD FLVPYFEKRG VRLIDFKLEF
GKLPSGEIVL ADEISPDTCR FWDAETNEKM DKDRFRRDLG GEAEAYAEML KRVTREV