ID   SYL_FRAT1               Reviewed;         813 AA.
AC   Q14HL6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   22-AUG-2006, sequence version 1.
DT   03-AUG-2022, entry version 98.
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=FTF0990;
OS   Francisella tularensis subsp. tularensis (strain FSC 198).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Thiotrichales;
OC   Francisellaceae; Francisella.
OX   NCBI_TaxID=393115;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=FSC 198;
RX   PubMed=17406676; DOI=10.1371/journal.pone.0000352;
RA   Chaudhuri R.R., Ren C.-P., Desmond L., Vincent G.A., Silman N.J.,
RA   Brehm J.K., Elmore M.J., Hudson M.J., Forsman M., Isherwood K.E.,
RA   Gurycova D., Minton N.P., Titball R.W., Pallen M.J., Vipond R.;
RT   "Genome sequencing shows that European isolates of Francisella tularensis
RT   subspecies tularensis are almost identical to US laboratory strain Schu
RT   S4.";
RL   PLoS ONE 2:E352-E352(2007).
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; AM286280; CAL09006.1; -; Genomic_DNA.
DR   RefSeq; WP_003021076.1; NC_008245.1.
DR   AlphaFoldDB; Q14HL6; -.
DR   SMR; Q14HL6; -.
DR   KEGG; ftf:FTF0990; -.
DR   HOGENOM; CLU_004427_0_0_6; -.
DR   OMA; TFMVLAP; -.
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   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; 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; 2.
DR   Pfam; PF08264; Anticodon_1; 1.
DR   Pfam; PF00133; tRNA-synt_1; 2.
DR   Pfam; PF13603; tRNA-synt_1_2; 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..813
FT                   /note="Leucine--tRNA ligase"
FT                   /id="PRO_1000009340"
FT   MOTIF           41..51
FT                   /note="'HIGH' region"
FT   MOTIF           575..579
FT                   /note="'KMSKS' region"
FT   BINDING         578
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00049"
SQ   SEQUENCE   813 AA;  93431 MW;  29E41625623E3548 CRC64;
     MNEYNFSDIE KSTQEYWRKN DTFKTIEDNT KEKFYCLSML PYPSGTLHMG HVRNYTIGDV
     IARYQKMQGK NVLHPMGWDA FGLPAENAAI KHKKSPYEWT KSNIAYMRSQ FDSLGFSFDW
     SREITTCDED YYKWEQWFFI QLYKKGLAYR KNSVVNWDPV DQTVLANEQV VDGRGWRSGA
     LVEKKEIPQW FLKITDYADE LLQDINKLDN WPEAVKTMQI NWIGKSKGLT VKFKVKDSNQ
     EIEVFTTRPD TLMGVNYLGI APEHPLALKE AKSNSQLAAF IEECKKTSTM EADLATQEKK
     GFKTSIKVIH PISAETIDVW VANFVLMGYG SGAVMSVPAH DQRDWEFAQK YNIPLKQVIE
     SNDNKLKIDL EKQAFTEKGI LINSGEFDGL NFKNAYQAIK KYLTEQNKGY ETTNFRIHDW
     GISRQRYWGC PIPMIHCDDC GAVPEKEENL PVRLPTDVAL TEAGSPLKDI PEFINVACPE
     CGKPAKRETD TFDTFFESSW YYARYTCPTA NQMLDQEANY WLPVDKYIGG IEHAIMHLLY
     ARFFHKLMRD QGLVKSDEPF KNLLTQGMVL KDGAKMSKSK GNIVDPQELI DKYGADTVRL
     FSMFAAPPEQ SLEWSETGVE GANKFLRKVF NYAELNKVIF AKNITLESQK LTKEDKKARF
     EIHSNLKQAI FDFDKSQFNT VVSACMKILN TLNNYDNLSE SVKVEGFSIL LRILAPFTPH
     LCHYLWQQLN LGEDILHTSF PTVDNNALEK DEFLLVVQIN GKLKAKLELD ASLSSNQVEE
     VVLADEHVKS FIDNKQVVKV IYVPQKLINI VIK