PUR7_LIMF3
ID PUR7_LIMF3 Reviewed; 240 AA.
AC B2GF71;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-JUN-2008, sequence version 1.
DT 25-MAY-2022, entry version 78.
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=LAF_0124;
OS Limosilactobacillus fermentum (strain NBRC 3956 / LMG 18251) (Lactobacillus
OS fermentum).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC Limosilactobacillus.
OX NCBI_TaxID=334390;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NBRC 3956 / LMG 18251;
RX PubMed=18487258; DOI=10.1093/dnares/dsn009;
RA Morita H., Toh H., Fukuda S., Horikawa H., Oshima K., Suzuki T.,
RA Murakami M., Hisamatsu S., Kato Y., Takizawa T., Fukuoka H., Yoshimura T.,
RA Itoh K., O'Sullivan D.J., McKay L.L., Ohno H., Kikuchi J., Masaoka T.,
RA Hattori M.;
RT "Comparative genome analysis of Lactobacillus reuteri and Lactobacillus
RT fermentum reveal a genomic island for reuterin and cobalamin production.";
RL DNA Res. 15:151-161(2008).
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; AP008937; BAG26460.1; -; Genomic_DNA.
DR RefSeq; WP_012390749.1; NC_010610.1.
DR AlphaFoldDB; B2GF71; -.
DR SMR; B2GF71; -.
DR EnsemblBacteria; BAG26460; BAG26460; LAF_0124.
DR GeneID; 61201217; -.
DR KEGG; lfe:LAF_0124; -.
DR PATRIC; fig|334390.5.peg.130; -.
DR eggNOG; COG0152; Bacteria.
DR HOGENOM; CLU_061495_2_0_9; -.
DR OMA; EFCYKND; -.
DR OrthoDB; 1345271at2; -.
DR UniPathway; UPA00074; UER00131.
DR Proteomes; UP000001697; 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; IPR018236; SAICAR_synthetase_CS.
DR Pfam; PF01259; SAICAR_synt; 1.
DR PROSITE; PS01058; SAICAR_SYNTHETASE_2; 1.
PE 3: Inferred from homology;
KW ATP-binding; Ligase; Nucleotide-binding; Purine biosynthesis.
FT CHAIN 1..240
FT /note="Phosphoribosylaminoimidazole-succinocarboxamide
FT synthase"
FT /id="PRO_1000095991"
SQ SEQUENCE 240 AA; 27483 MW; 9D6234E49D79A2DF CRC64;
MEEKLLYAGK AKEMWTTEDE DQLRVVYLDQ ATQLNGKQKE HFAGKGAAAH AISDLVFHYL
IDHGIETHFI KKLSATEDLV EKCAMVPLEF VTRNTVAGHF ASRFGLEEGT ALPQPVEENF
YKDDELDDPF INESAAVALK MVTPAEFDRC WAICRQVDQL LTPLFEKAGM QLVDFKLEFG
RRSRDNQIIL ADEFSPDNCR LWDTTTHHHL DKDVFRRNLA DLTATYQEVY ARLQAALKED