ID   MURI_LACAC              Reviewed;         267 AA.
AC   Q5FLV8;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2005, sequence version 1.
DT   03-AUG-2022, entry version 95.
DE   RecName: Full=Glutamate racemase {ECO:0000255|HAMAP-Rule:MF_00258};
DE            EC=5.1.1.3 {ECO:0000255|HAMAP-Rule:MF_00258};
GN   Name=murI {ECO:0000255|HAMAP-Rule:MF_00258}; OrderedLocusNames=LBA0425;
OS   Lactobacillus acidophilus (strain ATCC 700396 / NCK56 / N2 / NCFM).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactobacillus.
OX   NCBI_TaxID=272621;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700396 / NCK56 / N2 / NCFM;
RX   PubMed=15671160; DOI=10.1073/pnas.0409188102;
RA   Altermann E., Russell W.M., Azcarate-Peril M.A., Barrangou R., Buck B.L.,
RA   McAuliffe O., Souther N., Dobson A., Duong T., Callanan M., Lick S.,
RA   Hamrick A., Cano R., Klaenhammer T.R.;
RT   "Complete genome sequence of the probiotic lactic acid bacterium
RT   Lactobacillus acidophilus NCFM.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:3906-3912(2005).
CC   -!- FUNCTION: Provides the (R)-glutamate required for cell wall
CC       biosynthesis. {ECO:0000255|HAMAP-Rule:MF_00258}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=L-glutamate = D-glutamate; Xref=Rhea:RHEA:12813,
CC         ChEBI:CHEBI:29985, ChEBI:CHEBI:29986; EC=5.1.1.3;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00258};
CC   -!- PATHWAY: Cell wall biogenesis; peptidoglycan biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00258}.
CC   -!- SIMILARITY: Belongs to the aspartate/glutamate racemases family.
CC       {ECO:0000255|HAMAP-Rule:MF_00258}.
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DR   EMBL; CP000033; AAV42316.1; -; Genomic_DNA.
DR   RefSeq; WP_003549203.1; NC_006814.3.
DR   RefSeq; YP_193347.1; NC_006814.3.
DR   AlphaFoldDB; Q5FLV8; -.
DR   SMR; Q5FLV8; -.
DR   STRING; 272621.LBA0425; -.
DR   PRIDE; Q5FLV8; -.
DR   EnsemblBacteria; AAV42316; AAV42316; LBA0425.
DR   GeneID; 56942030; -.
DR   KEGG; lac:LBA0425; -.
DR   PATRIC; fig|272621.13.peg.410; -.
DR   eggNOG; COG0796; Bacteria.
DR   HOGENOM; CLU_052344_0_2_9; -.
DR   OMA; MPWGPRT; -.
DR   BioCyc; LACI272621:G1G49-419-MON; -.
DR   UniPathway; UPA00219; -.
DR   Proteomes; UP000006381; Chromosome.
DR   GO; GO:0008881; F:glutamate racemase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR   GO; GO:0009252; P:peptidoglycan biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0008360; P:regulation of cell shape; IEA:UniProtKB-KW.
DR   HAMAP; MF_00258; Glu_racemase; 1.
DR   InterPro; IPR015942; Asp/Glu/hydantoin_racemase.
DR   InterPro; IPR001920; Asp/Glu_race.
DR   InterPro; IPR018187; Asp/Glu_racemase_AS_1.
DR   InterPro; IPR033134; Asp/Glu_racemase_AS_2.
DR   InterPro; IPR004391; Glu_race.
DR   PANTHER; PTHR21198:SF2; PTHR21198:SF2; 1.
DR   Pfam; PF01177; Asp_Glu_race; 1.
DR   SUPFAM; SSF53681; SSF53681; 2.
DR   TIGRFAMs; TIGR00067; glut_race; 1.
DR   PROSITE; PS00923; ASP_GLU_RACEMASE_1; 1.
DR   PROSITE; PS00924; ASP_GLU_RACEMASE_2; 1.
PE   3: Inferred from homology;
KW   Cell shape; Cell wall biogenesis/degradation; Isomerase;
KW   Peptidoglycan synthesis; Reference proteome.
FT   CHAIN           1..267
FT                   /note="Glutamate racemase"
FT                   /id="PRO_1000047574"
FT   ACT_SITE        73
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   ACT_SITE        183
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         10..11
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         42..43
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         74..75
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         184..185
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
SQ   SEQUENCE   267 AA;  29669 MW;  5D86D3E5EA8F1C96 CRC64;
     MDNRPIGLLD SGFGGLSVAK KVIEKLPNES TIFIGDNAHI PYGDRTREDI INLTRRSVKF
     LLEKNVKLIV IACNTATAVA MPTMQKEVEQ QIIGVIQSGA LAAARTTKNK NVAVVATNVT
     VASHAYQKEI KFRDPEIKVT ELAAPKLAPL VEAQKDYATN LKVVKESLAP LMGKEFDTLV
     LGCTHYPLIQ KEFEEAINNK EVTILDPADQ VAQYTFNVMR RDGLFSDSEK AVHEYYTTGN
     SETFDKLART FMDDDTLTSK HVDTENY