ID   MURI_NOSS1              Reviewed;         292 AA.
AC   Q9L870;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 117.
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=alr0094;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Zhu J., Wolk C.P.;
RT   "Possible involvement of cell wall peptidoglycan in deposition of
RT   heterocyst envelope polysaccharide in Anabaena sp. strain PCC 7120.";
RL   Submitted (DEC-1999) to the EMBL/GenBank/DDBJ databases.
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
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; AF216288; AAF33755.1; -; Genomic_DNA.
DR   EMBL; BA000019; BAB77618.1; -; Genomic_DNA.
DR   PIR; AF1818; AF1818.
DR   RefSeq; WP_010994271.1; NZ_RSCN01000016.1.
DR   AlphaFoldDB; Q9L870; -.
DR   SMR; Q9L870; -.
DR   STRING; 103690.17135072; -.
DR   EnsemblBacteria; BAB77618; BAB77618; BAB77618.
DR   KEGG; ana:alr0094; -.
DR   eggNOG; COG0796; Bacteria.
DR   OMA; MPWGPRT; -.
DR   OrthoDB; 1718671at2; -.
DR   UniPathway; UPA00219; -.
DR   Proteomes; UP000002483; 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..292
FT                   /note="Glutamate racemase"
FT                   /id="PRO_0000095447"
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;  32192 MW;  710552843AE3A5D4 CRC64;
     MYSSSSIEGN LYGFSAQEPQ RAPIGVFDSG VGGLTVLRQI YRQLPNESVI YFGDTARLPY
     GIRSQAEILT FVRDILDWMQ QQHVKMVVMA CNTSSALALD IVREEYDFPI LGVILPGAKA
     AVQQGKRIGV ISTPATAKSN AYRQAIWEID PNVEVWQVGC PEFVPLIEQN RIQDPYTTEV
     ARAYLEPLIQ QDIDTLVYGC THYPLLAPVL RSLLPPQVKI IDPAVHVVTA CTQELDLLGL
     SNTHPPLPTR FAVSGCPQQF SQSGVHWLGY TPLVEAVDFA GVPVSQLQQD LA