ID   MURI_SYNY3              Reviewed;         279 AA.
AC   P73737;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-1997, sequence version 1.
DT   03-AUG-2022, entry version 128.
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=slr1746;
OS   Synechocystis sp. (strain PCC 6803 / Kazusa).
OC   Bacteria; Cyanobacteria; Synechococcales; Merismopediaceae; Synechocystis;
OC   unclassified Synechocystis.
OX   NCBI_TaxID=1111708;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 6803 / Kazusa;
RX   PubMed=8905231; DOI=10.1093/dnares/3.3.109;
RA   Kaneko T., Sato S., Kotani H., Tanaka A., Asamizu E., Nakamura Y.,
RA   Miyajima N., Hirosawa M., Sugiura M., Sasamoto S., Kimura T., Hosouchi T.,
RA   Matsuno A., Muraki A., Nakazaki N., Naruo K., Okumura S., Shimpo S.,
RA   Takeuchi C., Wada T., Watanabe A., Yamada M., Yasuda M., Tabata S.;
RT   "Sequence analysis of the genome of the unicellular cyanobacterium
RT   Synechocystis sp. strain PCC6803. II. Sequence determination of the entire
RT   genome and assignment of potential protein-coding regions.";
RL   DNA Res. 3:109-136(1996).
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; BA000022; BAA17785.1; -; Genomic_DNA.
DR   PIR; S74824; S74824.
DR   AlphaFoldDB; P73737; -.
DR   SMR; P73737; -.
DR   STRING; 1148.1652867; -.
DR   PaxDb; P73737; -.
DR   EnsemblBacteria; BAA17785; BAA17785; BAA17785.
DR   KEGG; syn:slr1746; -.
DR   eggNOG; COG0796; Bacteria.
DR   InParanoid; P73737; -.
DR   OMA; MPWGPRT; -.
DR   PhylomeDB; P73737; -.
DR   UniPathway; UPA00219; -.
DR   Proteomes; UP000001425; Chromosome.
DR   GO; GO:0047661; F:amino-acid racemase activity; IBA:GO_Central.
DR   GO; GO:0008881; F:glutamate racemase activity; IBA:GO_Central.
DR   GO; GO:0071555; P:cell wall organization; IEA:UniProtKB-KW.
DR   GO; GO:0009252; P:peptidoglycan biosynthetic process; IBA:GO_Central.
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..279
FT                   /note="Glutamate racemase"
FT                   /id="PRO_0000095525"
FT   ACT_SITE        76
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   ACT_SITE        185
FT                   /note="Proton donor/acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         13..14
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         45..46
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         77..78
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
FT   BINDING         186..187
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00258"
SQ   SEQUENCE   279 AA;  31274 MW;  F8EB4A949B406392 CRC64;
     MREPQRSRIG VFDSGVGGLT VLRELYRQLP KESILYFGDT ARLPYGKRSP QVILQYVREI
     LTWMAAEEVK MVIMACNTSS ALALETVQQE FNMPILGVIL PGARAAVRQG RRIGVISTPA
     TAASNAYRHA IHEITPDALV WQMACPEFVP LIEQNRLHDP YTLEVAKGYL QPLLDADIDT
     LVFGCTHYRH LTPVFQQILP SHIRLVDPAS HVVKAARQEL EVMGLRNSEM SIATRFTVSG
     CPQQFAELSH QWLGFTPMVE KISLPCLSSI CPQPLEIRE