PUR7_GEOSL
ID PUR7_GEOSL Reviewed; 296 AA.
AC Q74BF0;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-JUL-2004, sequence version 1.
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=GSU2091;
OS Geobacter sulfurreducens (strain ATCC 51573 / DSM 12127 / PCA).
OC Bacteria; Proteobacteria; Deltaproteobacteria; Desulfuromonadales;
OC Geobacteraceae; Geobacter.
OX NCBI_TaxID=243231;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51573 / DSM 12127 / PCA;
RX PubMed=14671304; DOI=10.1126/science.1088727;
RA Methe B.A., Nelson K.E., Eisen J.A., Paulsen I.T., Nelson W.C.,
RA Heidelberg J.F., Wu D., Wu M., Ward N.L., Beanan M.J., Dodson R.J.,
RA Madupu R., Brinkac L.M., Daugherty S.C., DeBoy R.T., Durkin A.S.,
RA Gwinn M.L., Kolonay J.F., Sullivan S.A., Haft D.H., Selengut J.,
RA Davidsen T.M., Zafar N., White O., Tran B., Romero C., Forberger H.A.,
RA Weidman J.F., Khouri H.M., Feldblyum T.V., Utterback T.R., Van Aken S.E.,
RA Lovley D.R., Fraser C.M.;
RT "Genome of Geobacter sulfurreducens: metal reduction in subsurface
RT environments.";
RL Science 302:1967-1969(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; AE017180; AAR35467.1; -; Genomic_DNA.
DR RefSeq; NP_953140.1; NC_002939.5.
DR RefSeq; WP_010942733.1; NC_002939.5.
DR AlphaFoldDB; Q74BF0; -.
DR SMR; Q74BF0; -.
DR STRING; 243231.GSU2091; -.
DR EnsemblBacteria; AAR35467; AAR35467; GSU2091.
DR KEGG; gsu:GSU2091; -.
DR PATRIC; fig|243231.5.peg.2127; -.
DR eggNOG; COG0152; Bacteria.
DR HOGENOM; CLU_045637_0_0_7; -.
DR InParanoid; Q74BF0; -.
DR OMA; TKFEFGF; -.
DR UniPathway; UPA00074; UER00131.
DR Proteomes; UP000000577; Chromosome.
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 HAMAP; MF_00137; SAICAR_synth; 1.
DR InterPro; IPR028923; SAICAR_synt/ADE2_N.
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.
PE 3: Inferred from homology;
KW ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis;
KW Reference proteome.
FT CHAIN 1..296
FT /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT synthase"
FT /id="PRO_1000018708"
SQ SEQUENCE 296 AA; 33138 MW; 20E27A9D2CA57E1D CRC64;
MAELVLKTDF PDLKLAGRGK VRDIYDLGDA LLIVTTDRIS AFDVIMNEAI PDKGYVLTQI
SSFWFRQMED IIPNHIISTD VKDFPAECQK YAAQLEGRSM LVKKAKPLPV ECIVRGYISG
SGWKDYKATG AICGITLPAG LVESDKLEEP IFTPSTKAEL GEHDENISFD KCVELIGREL
AEKIRDVTIA IYKRARDIAD TKGIIIADTK FEYGIYNGEL IIIDECMTPD SSRFWPKDSY
KPGGAQPSFD KQFLRDYLET LDWGKTAPAP PLPEEIVRKT GEKYMEALVR LTGKGK