PUR7_EXIS2
ID PUR7_EXIS2 Reviewed; 235 AA.
AC B1YJ02;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 25-MAY-2022, entry version 88.
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=Exig_0450;
OS Exiguobacterium sibiricum (strain DSM 17290 / CIP 109462 / JCM 13490 /
OS 255-15).
OC Bacteria; Firmicutes; Bacilli; Bacillales;
OC Bacillales Family XII. Incertae Sedis; Exiguobacterium.
OX NCBI_TaxID=262543;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 17290 / CIP 109462 / JCM 13490 / 255-15;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA Bruce D., Goodwin L., Pitluck S., Kiss H., Chertkov O., Monk C.,
RA Brettin T., Detter J.C., Han C., Kuske C.R., Schmutz J., Larimer F.,
RA Land M., Hauser L., Kyrpides N., Mikhailova N., Vishnivetskaya T.,
RA Rodrigues D.F., Gilichinsky D., Tiedje J., Richardson P.;
RT "Complete sequence of chromosome of Exiguobacterium sibiricum 255-15.";
RL Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001022; ACB59932.1; -; Genomic_DNA.
DR RefSeq; WP_012369356.1; NC_010556.1.
DR AlphaFoldDB; B1YJ02; -.
DR SMR; B1YJ02; -.
DR STRING; 262543.Exig_0450; -.
DR EnsemblBacteria; ACB59932; ACB59932; Exig_0450.
DR KEGG; esi:Exig_0450; -.
DR eggNOG; COG0152; Bacteria.
DR HOGENOM; CLU_061495_2_0_9; -.
DR OMA; EFCYKND; -.
DR OrthoDB; 1345271at2; -.
DR UniPathway; UPA00074; UER00131.
DR Proteomes; UP000001681; 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 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.
PE 3: Inferred from homology;
KW ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis;
KW Reference proteome.
FT CHAIN 1..235
FT /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT synthase"
FT /id="PRO_1000095985"
SQ SEQUENCE 235 AA; 26544 MW; CF31693B00203E4B CRC64;
MQPLYEGKAK RLYTTQDQDV LRIVYKDEAT AFNGEKKAEF AGKGELNNRL TSHFFEVLAA
AGIPTHFIEQ TSEREQLVRR VTIIPLEVVV RNVVAGSLSK RLGIEEGTVL ETPIVEFYYK
DDSLGDPLVT PAHINLLKIA TTEELSLLEQ EANRVNDVLR PYFDEKGITL IDFKLEYGKT
PAGEILLADE ISPDTCRLWD KETGEHLDKD VFRRNIGSLI DTYQTLFNRL GGNGQ
