ID   SYL_ECOK1               Reviewed;         860 AA.
AC   A1A8R7;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 2.
DT   27-MAR-2024, entry version 104.
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=Ecok1_05630; ORFNames=APECO1_14132;
OS   Escherichia coli O1:K1 / APEC.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Escherichia.
OX   NCBI_TaxID=405955;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=17293413; DOI=10.1128/jb.01726-06;
RA   Johnson T.J., Kariyawasam S., Wannemuehler Y., Mangiamele P., Johnson S.J.,
RA   Doetkott C., Skyberg J.A., Lynne A.M., Johnson J.R., Nolan L.K.;
RT   "The genome sequence of avian pathogenic Escherichia coli strain O1:K1:H7
RT   shares strong similarities with human extraintestinal pathogenic E. coli
RT   genomes.";
RL   J. Bacteriol. 189:3228-3236(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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=ABJ00057.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000468; ABJ00057.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_001362899.1; NZ_CADILS010000006.1.
DR   AlphaFoldDB; A1A8R7; -.
DR   SMR; A1A8R7; -.
DR   KEGG; ecv:APECO1_14132; -.
DR   HOGENOM; CLU_004427_0_0_6; -.
DR   Proteomes; UP000008216; 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; 2.20.28.290; -; 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; 2.
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; Reference proteome.
FT   CHAIN           1..860
FT                   /note="Leucine--tRNA ligase"
FT                   /id="PRO_0000334757"
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;  97307 MW;  23974199D8226516 CRC64;
     MQEQYRPEEI ESKVQLHWDE KRTFEVTEDE SKEKYYCLSM LPYPSGRLHM GHVRNYTIGD
     VIARYQRMLG KNVLQPIGWD AFGLPAEGAA VKNNTAPAPW TYDNIAYMKN QLKMLGFGYD
     WSRELATCTP EYYRWEQKFF TELYKKGLVY KKTSAVNWCP NDQTVLANEQ VIDGCCWRCD
     TKVERKEIPQ WFIKITAYAD ELLNDLDKLD HWPDTVKTMQ RNWIGRSEGV EITFNVKDYD
     NTLTVYTTRP DTFMGCTYLA VAAGHPLAQK AAENNPELAA FIDECRNTKV AEAEMATMEK
     KGVDTGFKAV HPLTGEEIPV WAANFVLMEY GTGAVMAVPG HDQRDYEFAS KYGLNIKPVI
     LAADGSEPDL SQQALTEKGV LFNSGEFNGL DHEAAFNAIA DKLTEMGVGE RKVNYRLRDW
     GVSRQRYWGA PIPMVTLEDG TVMPTPDDQL PVILPEDVVM DGITSPIKAD PEWAKTTVNG
     MPALRETDTF DTFMESSWYY ARYTCPEYKE GMLDSKAANY WLPVDIYIGG IEHAIMHLLY
     FRFFHKLMRD AGMVNSDEPA KQLLCQGMVL ADAFYYVGEN GERNWVSPVD AIVERDEKGR
     IVKAKDAAGH ELVYTGMSKM SKSKNNGIDP QVMVERYGAD TVRLFMMFAS PADMTLEWQE
     SGVEGANRFL KRVWKLVYEH TAKGDVAALN VDALTEDQKA LRRDVHKTIA KVTDDIGRRQ
     TFNTAIAAIM ELMNKLAKAP TDGEQDRALM QEALLAVVRM LNPFTPHICF TLWQELKGEG
     DIDNAPWPVA DEKAMVEDST LVVVQVNGKV RAKITVPVDA TEEQVRERAG QEHLVAKYLD
     GVTVRKVIYV PGKLLNLVVG
//