ID   SYE_LACAC               Reviewed;         499 AA.
AC   Q5FM35;
DT   07-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2005, sequence version 1.
DT   28-JAN-2026, entry version 105.
DE   RecName: Full=Glutamate--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00022};
DE            EC=6.1.1.17 {ECO:0000255|HAMAP-Rule:MF_00022};
DE   AltName: Full=Glutamyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00022};
DE            Short=GluRS {ECO:0000255|HAMAP-Rule:MF_00022};
GN   Name=gltX {ECO:0000255|HAMAP-Rule:MF_00022};
GN   OrderedLocusNames=LBA0347;
OS   Lactobacillus acidophilus (strain ATCC 700396 / NCK56 / N2 / NCFM).
OC   Bacteria; Bacillati; Bacillota; 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: Catalyzes the attachment of glutamate to tRNA(Glu) in a two-
CC       step reaction: glutamate is first activated by ATP to form Glu-AMP and
CC       then transferred to the acceptor end of tRNA(Glu). {ECO:0000255|HAMAP-
CC       Rule:MF_00022}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=tRNA(Glu) + L-glutamate + ATP = L-glutamyl-tRNA(Glu) + AMP +
CC         diphosphate; Xref=Rhea:RHEA:23540, Rhea:RHEA-COMP:9663, Rhea:RHEA-
CC         COMP:9680, ChEBI:CHEBI:29985, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:78442, ChEBI:CHEBI:78520, ChEBI:CHEBI:456215;
CC         EC=6.1.1.17; Evidence={ECO:0000255|HAMAP-Rule:MF_00022};
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00022}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00022}.
CC   -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC       Glutamate--tRNA ligase type 1 subfamily. {ECO:0000255|HAMAP-
CC       Rule:MF_00022}.
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DR   EMBL; CP000033; AAV42239.1; -; Genomic_DNA.
DR   RefSeq; WP_011254122.1; NC_006814.3.
DR   AlphaFoldDB; Q5FM35; -.
DR   SMR; Q5FM35; -.
DR   STRING; 272621.LBA0347; -.
DR   KEGG; lac:LBA0347; -.
DR   PATRIC; fig|272621.13.peg.333; -.
DR   eggNOG; COG0008; Bacteria.
DR   HOGENOM; CLU_015768_6_1_9; -.
DR   OrthoDB; 9807503at2; -.
DR   BioCyc; LACI272621:G1G49-341-MONOMER; -.
DR   Proteomes; UP000006381; Chromosome.
DR   GO; GO:0005829; C:cytosol; IEA:TreeGrafter.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004818; F:glutamate-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000049; F:tRNA binding; IEA:InterPro.
DR   GO; GO:0008270; F:zinc ion binding; IEA:InterPro.
DR   GO; GO:0006424; P:glutamyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd00808; GluRS_core; 1.
DR   FunFam; 3.40.50.620:FF:000007; Glutamate--tRNA ligase; 1.
DR   Gene3D; 1.10.10.350; -; 1.
DR   Gene3D; 3.40.50.620; HUPs; 1.
DR   HAMAP; MF_00022; Glu_tRNA_synth_type1; 1.
DR   InterPro; IPR045462; aa-tRNA-synth_I_cd-bd.
DR   InterPro; IPR020751; aa-tRNA-synth_I_codon-bd_sub2.
DR   InterPro; IPR001412; aa-tRNA-synth_I_CS.
DR   InterPro; IPR008925; aa_tRNA-synth_I_cd-bd_sf.
DR   InterPro; IPR004527; Glu-tRNA-ligase_bac/mito.
DR   InterPro; IPR000924; Glu/Gln-tRNA-synth.
DR   InterPro; IPR020058; Glu/Gln-tRNA-synth_Ib_cat-dom.
DR   InterPro; IPR049940; GluQ/Sye.
DR   InterPro; IPR033910; GluRS_core.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   NCBIfam; TIGR00464; gltX_bact; 1.
DR   PANTHER; PTHR43311; GLUTAMATE--TRNA LIGASE; 1.
DR   PANTHER; PTHR43311:SF2; GLUTAMATE--TRNA LIGASE, MITOCHONDRIAL-RELATED; 1.
DR   Pfam; PF19269; Anticodon_2; 1.
DR   Pfam; PF00749; tRNA-synt_1c; 1.
DR   PRINTS; PR00987; TRNASYNTHGLU.
DR   SUPFAM; SSF48163; An anticodon-binding domain of class I aminoacyl-tRNA synthetases; 1.
DR   SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR   PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase;
KW   Nucleotide-binding; Protein biosynthesis; Reference proteome.
FT   CHAIN           1..499
FT                   /note="Glutamate--tRNA ligase"
FT                   /id="PRO_0000119581"
FT   MOTIF           12..22
FT                   /note="'HIGH' region"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00022"
FT   MOTIF           259..263
FT                   /note="'KMSKS' region"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00022"
FT   BINDING         262
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00022"
SQ   SEQUENCE   499 AA;  57538 MW;  467D193B327378F4 CRC64;
     MAKEKIRVRY APSPTGHLHI GNARTALFNY LFARHNKGTM VLRIEDSDQK RNVKGGSKSQ
     MENLHWLGID WDEGPDKGGD YGPYRQSERK DIYQKYIDQL LEEGKAYYSY KTEEELEEQR
     EEQRAMGVAP HYTYEYEGMT ADEIKQAQEE AKAKGLKPVV RIHIPEMETY SWDDIVKGHL
     EFESDTIGGD FVIQKRDGMP TYNFAVVVDD HLMKITHVLR GDDHVSNTPK QLVVYEALGW
     EPPKFGHMTL IINSETGKKL SKRDESVLQF IEQYRDLGYL PDAMFNFITL LGWSPKGENE
     IFTKREFIKQ FDPARLSKSP AAFDQKKLEW INNQYIKKAD RDTLLDLSLN NLQEAGLVDE
     HPTPEKMEWI RQLVNIYAVQ MSYTKQIVDM AKIFFEDAKE LSDEEIEEIK NDDGRAVIEE
     FKKQLDLIPR FTAVQIMGAI QATRKATGIK GRKLFMPVRI ATTRSMVGPG IGEAMELLGK
     DRVVKHIDLT LKQMSDNNL
//