ID   SYL_FRATN               Reviewed;         813 AA.
AC   A0Q693;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   09-JAN-2007, sequence version 1.
DT   27-MAR-2024, entry version 107.
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};
GN   OrderedLocusNames=FTN_0870;
OS   Francisella tularensis subsp. novicida (strain U112).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Thiotrichales;
OC   Francisellaceae; Francisella.
OX   NCBI_TaxID=401614;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=U112;
RX   PubMed=17550600; DOI=10.1186/gb-2007-8-6-r102;
RA   Rohmer L., Fong C., Abmayr S., Wasnick M., Larson Freeman T.J., Radey M.,
RA   Guina T., Svensson K., Hayden H.S., Jacobs M., Gallagher L.A., Manoil C.,
RA   Ernst R.K., Drees B., Buckley D., Haugen E., Bovee D., Zhou Y., Chang J.,
RA   Levy R., Lim R., Gillett W., Guenthener D., Kang A., Shaffer S.A.,
RA   Taylor G., Chen J., Gallis B., D'Argenio D.A., Forsman M., Olson M.V.,
RA   Goodlett D.R., Kaul R., Miller S.I., Brittnacher M.J.;
RT   "Comparison of Francisella tularensis genomes reveals evolutionary events
RT   associated with the emergence of human pathogenic strains.";
RL   Genome Biol. 8:R102.1-R102.16(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; CP000439; ABK89758.1; -; Genomic_DNA.
DR   RefSeq; WP_003039136.1; NZ_CP009633.1.
DR   AlphaFoldDB; A0Q693; -.
DR   SMR; A0Q693; -.
DR   KEGG; ftn:FTN_0870; -.
DR   BioCyc; FTUL401614:G1G75-907-MONOMER; -.
DR   Proteomes; UP000000762; 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   CDD; cd07958; Anticodon_Ia_Leu_BEm; 1.
DR   CDD; cd00812; LeuRS_core; 1.
DR   Gene3D; 3.10.20.590; -; 1.
DR   Gene3D; 3.40.50.620; HUPs; 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; 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   NCBIfam; TIGR00396; leuS_bact; 1.
DR   PANTHER; PTHR43740:SF2; LEUCINE--TRNA LIGASE, MITOCHONDRIAL; 1.
DR   PANTHER; PTHR43740; LEUCYL-TRNA SYNTHETASE; 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; Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases; 1.
DR   SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR   SUPFAM; SSF50677; ValRS/IleRS/LeuRS editing domain; 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_1000009343"
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;  93397 MW;  5B34B6538A2223E9 CRC64;
     MNEYNFSDIE KSTQDYWRKN DTFKTIEDNT KEKFYCLSML PYPSGTLHMG HVRNYTIGDV
     IARYQKMQGK NVLHPMGWDA FGLPAENAAI KHKKSPYEWT KSNIAYMRSQ LDSLGFSFDW
     SREIATCDED YYKWEQWFFI QLYKKGLAYR KNSVVNWDPV DQTVLANEQV VDGRGWRSGA
     LVEKKEIPQW FLKITDYADE LLQDISKLDG WPEAVKTMQI NWIGKSKGLT VKFKIKDSNQ
     EIEVFTTRPD TLMGVNYLGI APEHPLALEE AKTNSKLAAF IEECKKTSTM EADLATQEKK
     GFKTSIKVIH PISAETIDVW VANFVLMGYG SGAVMSVPAH DQRDWEFAQK YNIPLKQVIE
     SNDKKLKIDL EKQAFTEKGI LINSGEFDGL NFKNAYQAIK KYLTEQNKGY ETTNFRIHDW
     GISRQRYWGC PIPMIHCDDC GAVPEKEENL PVRLPTDVTL TEAGSPLKDI PEFINVACPE
     CGKPAKRETD TFDTFFESSW YYARYTCPTA NQMLDQEANY WLPVDKYIGG IEHAIMHLLY
     ARFFHKLMRD QGLVKSDEPF KNLLTQGMVL KDGAKMSKSK GNTVDPQELI DRYGADTVRL
     FSMFAAPPEQ SLEWSETGVE GANKFLRKVF NYAELNKDIF AKNITLESQK LTKEDKKARF
     EIHSNLKQAI FDFDKSQFNT VVSACMKILN TLNNYDNLSE SVKVEGFSIL LRILAPFTPH
     LCHYLWQQLN LGEDILHTSF PTVDNNALEK DEFLLVVQIN GKLKAKLELD ASLSPNQVEE
     IVLADQHVKS FIDNKQVVKV IYVPQKLINI VIK
//