ID   SYL_STRE4               Reviewed;         833 AA.
AC   C0M8N3;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   05-MAY-2009, sequence version 1.
DT   03-AUG-2022, entry version 82.
DE   RecName: Full=Leucine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00049};
DE            EC=6.1.1.4 {ECO:0000255|HAMAP-Rule:MF_00049};
DE   AltName: Full=Leucyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00049};
DE            Short=LeuRS {ECO:0000255|HAMAP-Rule:MF_00049};
GN   Name=leuS {ECO:0000255|HAMAP-Rule:MF_00049}; OrderedLocusNames=SEQ_0234;
OS   Streptococcus equi subsp. equi (strain 4047).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=553482;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=4047;
RX   PubMed=19325880; DOI=10.1371/journal.ppat.1000346;
RA   Holden M.T.G., Heather Z., Paillot R., Steward K.F., Webb K., Ainslie F.,
RA   Jourdan T., Bason N.C., Holroyd N.E., Mungall K., Quail M.A., Sanders M.,
RA   Simmonds M., Willey D., Brooks K., Aanensen D.M., Spratt B.G., Jolley K.A.,
RA   Maiden M.C.J., Kehoe M., Chanter N., Bentley S.D., Robinson C.,
RA   Maskell D.J., Parkhill J., Waller A.S.;
RT   "Genomic evidence for the evolution of Streptococcus equi: host
RT   restriction, increased virulence, and genetic exchange with human
RT   pathogens.";
RL   PLoS Pathog. 5:E1000346-E1000346(2009).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-leucine + tRNA(Leu) = AMP + diphosphate + L-leucyl-
CC         tRNA(Leu); Xref=Rhea:RHEA:11688, Rhea:RHEA-COMP:9613, Rhea:RHEA-
CC         COMP:9622, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019, ChEBI:CHEBI:57427,
CC         ChEBI:CHEBI:78442, ChEBI:CHEBI:78494, ChEBI:CHEBI:456215; EC=6.1.1.4;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00049};
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00049}.
CC   -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00049}.
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DR   EMBL; FM204883; CAW92273.1; -; Genomic_DNA.
DR   RefSeq; WP_012678913.1; NC_012471.1.
DR   AlphaFoldDB; C0M8N3; -.
DR   SMR; C0M8N3; -.
DR   EnsemblBacteria; CAW92273; CAW92273; SEQ_0234.
DR   KEGG; seu:SEQ_0234; -.
DR   HOGENOM; CLU_004427_0_0_9; -.
DR   OMA; TFMVLAP; -.
DR   OrthoDB; 32262at2; -.
DR   Proteomes; UP000001365; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0002161; F:aminoacyl-tRNA editing activity; IEA:InterPro.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004823; F:leucine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006429; P:leucyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.620; -; 2.
DR   Gene3D; 3.90.740.10; -; 1.
DR   HAMAP; MF_00049_B; Leu_tRNA_synth_B; 1.
DR   InterPro; IPR001412; aa-tRNA-synth_I_CS.
DR   InterPro; IPR002300; aa-tRNA-synth_Ia.
DR   InterPro; IPR002302; Leu-tRNA-ligase.
DR   InterPro; IPR025709; Leu_tRNA-synth_edit.
DR   InterPro; IPR013155; M/V/L/I-tRNA-synth_anticd-bd.
DR   InterPro; IPR015413; Methionyl/Leucyl_tRNA_Synth.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   InterPro; IPR009080; tRNAsynth_Ia_anticodon-bd.
DR   InterPro; IPR009008; Val/Leu/Ile-tRNA-synth_edit.
DR   PANTHER; PTHR43740; PTHR43740; 1.
DR   Pfam; PF08264; Anticodon_1; 1.
DR   Pfam; PF00133; tRNA-synt_1; 1.
DR   Pfam; PF13603; tRNA-synt_1_2; 1.
DR   Pfam; PF09334; tRNA-synt_1g; 1.
DR   PRINTS; PR00985; TRNASYNTHLEU.
DR   SUPFAM; SSF47323; SSF47323; 1.
DR   SUPFAM; SSF50677; SSF50677; 1.
DR   TIGRFAMs; TIGR00396; leuS_bact; 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.
FT   CHAIN           1..833
FT                   /note="Leucine--tRNA ligase"
FT                   /id="PRO_1000199224"
FT   MOTIF           41..52
FT                   /note="'HIGH' region"
FT   MOTIF           610..614
FT                   /note="'KMSKS' region"
FT   BINDING         613
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00049"
SQ   SEQUENCE   833 AA;  93821 MW;  252AEEEE93362381 CRC64;
     MTFYNHKAIE PKWQAFWADN HTFKTGTDAS KPKFYALDMF PYPSGAGLHV GHPEGYTATD
     ILSRFKRAQG YNVLHPMGWD AFGLPAEQYA MDTGNDPAEF TAENIANFKR QINALGFSYD
     WDREINTTDP SYYKWTQWIF TKLYEKGLAY EAEVPVNWVE ELGTAIANEE VLPDGTSERG
     GYPVVRKPMR QWMLKITAYA ERLLADLEEV DWPESIKDMQ RNWIGKSTGA NVTFKVKDTD
     KDFTVFTTRP DTLFGATYAV LAPEHALVDS ITTAEQAQAV AEYKRQASLK SDLARTDLAK
     EKTGVWTGAY AINPVNGKEM PIWIADYVLA SYGTGAIMAV PAHDERDWAF AKQFNLEIIP
     VLEGGNVDEA AYTEDGIHIN SDFLDGLDKA CAIAKMVAWL EETGVGHEKV SYRLRDWLFS
     RQRYWGEPIP IIHWEDGTST AVPEQDLPLV LPVTKDIRPS GTGESPLANL TDWLEVTRED
     GVKGRRETNT MPQWAGSSWY YLRYIDPHND EQLADKDLLK QWLPVDIYIG GAEHAVLHLL
     YARFWHKVLY DLGVVPTKEP FQKLFNQGMI LGTSYRDHRG ALVATDKVDK RDGSFFHMET
     GEELEQAPAK MSKSLKNVVN PDDVVEQYGA DTLRVYEMFM GPLDASIAWS EEGLEGARKF
     LDRVYRLITT KEIVAENSGA LDKAYHETVK AVTEQIEGMK FNTAIAQLMI FVNAANKEDE
     LYVAYAKGFV QLLAPFAPHL GEELWQILTA SGQSISYVAW PTHDDSKLVE NDVEIVVQIK
     GKVKAKLVVA KDLSREELEK VALAHDKIQA EIAGKEVAKV IVVPNKLVNI VVK