ID   SYL_SALPK               Reviewed;         860 AA.
AC   B5BCE6;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   23-SEP-2008, sequence version 1.
DT   03-AUG-2022, entry version 79.
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=SSPA1938;
OS   Salmonella paratyphi A (strain AKU_12601).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Salmonella.
OX   NCBI_TaxID=554290;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AKU_12601;
RX   PubMed=19159446; DOI=10.1186/1471-2164-10-36;
RA   Holt K.E., Thomson N.R., Wain J., Langridge G.C., Hasan R., Bhutta Z.A.,
RA   Quail M.A., Norbertczak H., Walker D., Simmonds M., White B., Bason N.,
RA   Mungall K., Dougan G., Parkhill J.;
RT   "Pseudogene accumulation in the evolutionary histories of Salmonella
RT   enterica serovars Paratyphi A and Typhi.";
RL   BMC Genomics 10:36-36(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; FM200053; CAR60139.1; -; Genomic_DNA.
DR   RefSeq; WP_001157911.1; NC_011147.1.
DR   AlphaFoldDB; B5BCE6; -.
DR   SMR; B5BCE6; -.
DR   KEGG; sek:SSPA1938; -.
DR   HOGENOM; CLU_004427_0_0_6; -.
DR   OMA; TFMVLAP; -.
DR   Proteomes; UP000001869; 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; 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; 3.
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..860
FT                   /note="Leucine--tRNA ligase"
FT                   /id="PRO_1000091360"
FT   MOTIF           42..52
FT                   /note="'HIGH' region"
FT   MOTIF           619..623
FT                   /note="'KMSKS' region"
FT   BINDING         622
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00049"
SQ   SEQUENCE   860 AA;  96986 MW;  9B1BE5FDECB1F08F CRC64;
     MQEQYRPEEI ESKVQLHWDE KRTFEVTEDE SKEKYYCLSM LPYPSGRLHM GHVRNYTIGD
     VVARYQRMLG KNVLQPIGWD AFGLPAEGAA VKNNTAPAPW TYDNIAYMKN QLKTLGFGYD
     WSREIATCTP EYYRWEQKFF TELYKKGLVY KKTSAVNWCP NDQTVLANEQ VIDGCCWRCD
     TKVERKEIPQ WFIKITAYAD ELLRDLDKLD HWPDTVKTMQ RNWIGRSEGV EITFDVKGYD
     NTLIVYTTRP DTFMGATYLA VAAGHPLAQK AAANNAELAA FVDECRNTKV AEAEMATMEK
     KGVDTGYKAI HPLTGEEIPV WAANFVLMEY GTGAVMAVPG HDQRDYEFAS KYGLTIKPVI
     LAADGSEPDL SEQALTEKGV LFNSGEFDGL AFEAAFNAIA DKLAEKGVGE RKVNYRLRDW
     GVSRQRYWGA PIPMITQEDG TVLPTPEDQL PVILPEDVVM DGITSPIKAD PEWAKTTVNG
     MPALRETDTF DTFMESSWYY ARYTCPQYQE GMLDSKAANY WLPVDIYIGG IEHAIMHLLY
     FRFFHKLMRD AGMVTSDEPA KQLLCQGMVL ADAFYYVGEN GERNWVSPVD AIVERDEKGR
     IVKAKDAAGH ELVYTGMSKM SKSKNNGIDP QVMVERYGAD TVRLFMMFAS PADMTLEWQE
     SGVEGANRFI KRVWKLVYEH TAKGPVAALN VDALSEDQKA LRRDVHKTIA KVTDDIGRRQ
     TFNTAIAAIM ELMNKLAKAP QEGEQDRALL QEALQAVVRM LNPFTPHVCF TLWQELGGEG
     DIDNAPWPVA DEQAMVENTT LVVVQVNGKV RGKITVAVDA TEEQVRERAG QEHLVAKYLD
     GVTVRKVIYV PGKLLNLVVG