ID   PUR7_LACP3              Reviewed;         241 AA.
AC   Q037U6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   14-NOV-2006, sequence version 1.
DT   03-AUG-2022, entry version 93.
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=LSEI_1754;
OS   Lacticaseibacillus paracasei (strain ATCC 334 / BCRC 17002 / CCUG 31169 /
OS   CIP 107868 / KCTC 3260 / NRRL B-441) (Lactobacillus paracasei).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lacticaseibacillus.
OX   NCBI_TaxID=321967;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 334 / BCRC 17002 / CCUG 31169 / CIP 107868 / KCTC 3260 / NRRL
RC   B-441;
RX   PubMed=17030793; DOI=10.1073/pnas.0607117103;
RA   Makarova K.S., Slesarev A., Wolf Y.I., Sorokin A., Mirkin B., Koonin E.V.,
RA   Pavlov A., Pavlova N., Karamychev V., Polouchine N., Shakhova V.,
RA   Grigoriev I., Lou Y., Rohksar D., Lucas S., Huang K., Goodstein D.M.,
RA   Hawkins T., Plengvidhya V., Welker D., Hughes J., Goh Y., Benson A.,
RA   Baldwin K., Lee J.-H., Diaz-Muniz I., Dosti B., Smeianov V., Wechter W.,
RA   Barabote R., Lorca G., Altermann E., Barrangou R., Ganesan B., Xie Y.,
RA   Rawsthorne H., Tamir D., Parker C., Breidt F., Broadbent J.R., Hutkins R.,
RA   O'Sullivan D., Steele J., Unlu G., Saier M.H. Jr., Klaenhammer T.,
RA   Richardson P., Kozyavkin S., Weimer B.C., Mills D.A.;
RT   "Comparative genomics of the lactic acid bacteria.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:15611-15616(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; CP000423; ABJ70526.1; -; Genomic_DNA.
DR   RefSeq; YP_806968.1; NC_008526.1.
DR   AlphaFoldDB; Q037U6; -.
DR   SMR; Q037U6; -.
DR   STRING; 321967.LSEI_1754; -.
DR   EnsemblBacteria; ABJ70526; ABJ70526; LSEI_1754.
DR   KEGG; lca:LSEI_1754; -.
DR   PATRIC; fig|321967.11.peg.1733; -.
DR   HOGENOM; CLU_061495_2_0_9; -.
DR   OMA; EFCYKND; -.
DR   UniPathway; UPA00074; UER00131.
DR   Proteomes; UP000001651; 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   Pfam; PF01259; SAICAR_synt; 1.
DR   TIGRFAMs; TIGR00081; purC; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis.
FT   CHAIN           1..241
FT                   /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT                   synthase"
FT                   /id="PRO_1000018718"
SQ   SEQUENCE   241 AA;  27036 MW;  6120CDD71ADF9EC3 CRC64;
     MNKTTLLYTG KAKQVYATDD PDVLWMAYTN QATALNGEKK AQIAHKGELN RAISTLLFKE
     LTAAGIPTHY LDSPDSTTMI VKKAAMLPLE VVVRNYASGH FVTKFNVKPM MKLDPPIHEY
     YYKSDELGDP FMNEAQIFAL HEATPEQLKQ VHALTDRINT YLTQRFAAIG ITLVDFKLEY
     GTLKDGTLVL ADELSPDNFR LVDQQTGASL DKDVFRQNRG PLTPVYEEVL SRLQEKGAAH
     V