ID   MURI_TRIV2              Reviewed;         292 AA.
AC   Q3MD46;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   25-OCT-2005, sequence version 1.
DT   03-AUG-2022, entry version 94.
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=Ava_1467;
OS   Trichormus variabilis (strain ATCC 29413 / PCC 7937) (Anabaena variabilis).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Trichormus.
OX   NCBI_TaxID=240292;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 29413 / PCC 7937;
RX   PubMed=25197444; DOI=10.4056/sigs.3899418;
RA   Thiel T., Pratte B.S., Zhong J., Goodwin L., Copeland A., Lucas S., Han C.,
RA   Pitluck S., Land M.L., Kyrpides N.C., Woyke T.;
RT   "Complete genome sequence of Anabaena variabilis ATCC 29413.";
RL   Stand. Genomic Sci. 9:562-573(2014).
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; CP000117; ABA21090.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q3MD46; -.
DR   SMR; Q3MD46; -.
DR   STRING; 240292.Ava_1467; -.
DR   EnsemblBacteria; ABA21090; ABA21090; Ava_1467.
DR   KEGG; ava:Ava_1467; -.
DR   eggNOG; COG0796; Bacteria.
DR   HOGENOM; CLU_052344_0_2_3; -.
DR   OMA; MPWGPRT; -.
DR   UniPathway; UPA00219; -.
DR   Proteomes; UP000002533; 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.
FT   CHAIN           1..292
FT                   /note="Glutamate racemase"
FT                   /id="PRO_1000047541"
FT   ACT_SITE        91
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   ACT_SITE        200
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         28..29
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         60..61
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         92..93
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         201..202
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
SQ   SEQUENCE   292 AA;  32271 MW;  D6E967824D230F12 CRC64;
     MYSSSSIEGN LYGFSEQEPQ RAPIGVFDSG VGGLTVLRQI YRQLPNESVI YFGDTARLPY
     GIRSQAEILT FVRDILDWMQ QQHVKMVVMA CNTSSALALD IVREEYDFPI LGVILPGAKA
     AVQQGKRIGV ISTPATAKSN AYRQAIWEID PNVEVWQVGC PEFVPLIEQN RIQDPYTTEV
     ARAYLEPLIQ QDIDTLVYGC THYPLLAPVL RSLLPPQVKI IDPAVHVVTA CTQELDILGL
     SNTHPPLPTR FAVSGCPQQF SQSGVNWLGY TPLVEAVDFT GIPVSQLQQD LA