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PUR7_METBF
ID   PUR7_METBF              Reviewed;         237 AA.
AC   Q46F30;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 101.
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=Mbar_A0531;
OS   Methanosarcina barkeri (strain Fusaro / DSM 804).
OC   Archaea; Euryarchaeota; Stenosarchaea group; Methanomicrobia;
OC   Methanosarcinales; Methanosarcinaceae; Methanosarcina.
OX   NCBI_TaxID=269797;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Fusaro / DSM 804;
RX   PubMed=16980466; DOI=10.1128/jb.00810-06;
RA   Maeder D.L., Anderson I., Brettin T.S., Bruce D.C., Gilna P., Han C.S.,
RA   Lapidus A., Metcalf W.W., Saunders E., Tapia R., Sowers K.R.;
RT   "The Methanosarcina barkeri genome: comparative analysis with
RT   Methanosarcina acetivorans and Methanosarcina mazei reveals extensive
RT   rearrangement within methanosarcinal genomes.";
RL   J. Bacteriol. 188:7922-7931(2006).
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; CP000099; AAZ69512.1; -; Genomic_DNA.
DR   RefSeq; WP_011305564.1; NC_007355.1.
DR   AlphaFoldDB; Q46F30; -.
DR   SMR; Q46F30; -.
DR   STRING; 269797.Mbar_A0531; -.
DR   PRIDE; Q46F30; -.
DR   EnsemblBacteria; AAZ69512; AAZ69512; Mbar_A0531.
DR   GeneID; 3627090; -.
DR   KEGG; mba:Mbar_A0531; -.
DR   eggNOG; arCOG04421; Archaea.
DR   HOGENOM; CLU_061495_2_0_2; -.
DR   OMA; EFCYKND; -.
DR   OrthoDB; 47738at2157; -.
DR   UniPathway; UPA00074; UER00131.
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.
DR   PROSITE; PS01058; SAICAR_SYNTHETASE_2; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis.
FT   CHAIN           1..237
FT                   /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT                   synthase"
FT                   /id="PRO_1000018729"
SQ   SEQUENCE   237 AA;  27174 MW;  BEBF715BEDF30F91 CRC64;
     MTREQLYSGK AKTIYKTDDP DTLITEFRNS LTAFNGEKKG EMEKKGYYNA QISKKIFEML
     EAEGIKTHFV EMLSDIDMLV KKVEIIKIEV IVRNIAAGSI TKRYPIKEGT VFKTPVLVFD
     FKNDEYGDPM LNDDIALALG LATQEELATL RELALKINEL LVPHLDKKGI LLPDFKLEFG
     RRNGEIILAD EISCDTCRFW DKKTGQSMDK DVFRFDKGDI SKAYEEVARR IVPEIFE
 
 
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