ID   SYL_CITK8               Reviewed;         860 AA.
AC   A8AJG0;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 2.
DT   03-AUG-2022, entry version 86.
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=CKO_02514;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
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=ABV13623.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000822; ABV13623.1; ALT_INIT; Genomic_DNA.
DR   AlphaFoldDB; A8AJG0; -.
DR   SMR; A8AJG0; -.
DR   STRING; 290338.CKO_02514; -.
DR   PRIDE; A8AJG0; -.
DR   EnsemblBacteria; ABV13623; ABV13623; CKO_02514.
DR   KEGG; cko:CKO_02514; -.
DR   HOGENOM; CLU_004427_0_0_6; -.
DR   Proteomes; UP000008148; 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; Reference proteome.
FT   CHAIN           1..860
FT                   /note="Leucine--tRNA ligase"
FT                   /id="PRO_0000334742"
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;  96911 MW;  49407CCC31092729 CRC64;
     MQEQYRPEEI ESKVQQHWDE KRTFEVTEDE SKEKYYCLSM LPYPSGRLHM GHVRNYTIGD
     VIARYQRMLG KNVLQPIGWD AFGLPAEGAA VKNNTAPAPW TYDNIAYMKN QLKMLGFGYD
     WSRELATCTP EYYRWEQKFF TELYKKGLVY KKTSAVNWCP NDQTVLANEQ VIDGCCWRCD
     TKVERKEIPQ WFIKITAYAD ELLNDLDKLD HWPDTVKTMQ RNWIGRSEGV EITFDVNGYD
     NTLTVYTTRP DTFMGATYLA VAAGHPLAQK AAANNPELAA FIDECRNTKV AEADMATMEK
     KGVDTGFKAI HPLTGEAIPV WAANFVLMEY GTGAVMAVPG HDQRDYEFAT KYGLTIKPVI
     LAADGSEPDL SEQALTEKGV LFNSGEFNGL GFEDAFNAIA DKLAAKGVGE RKVNYRLRDW
     GVSRQRYWGA PIPMVTLEDG TVLPTPEDQL PVILPEDVVM DGITSPIKAD PEWAKTTVNG
     QPALRETDTF DTFMESSWYY ARYTCPQYNE GMLDPEAANY WLPVDIYIGG IEHAIMHLLY
     FRFFHKLMRD AGMVNSDEPA KQLLCQGMVL ADAFYYVGEN GERNWVSPVD AIVERDEKGR
     IVKAKDAAGH ELVYTGMSKM SKSKNNGIDP QVMVERYGAD TVRLFMMFAS PADMTLEWQE
     SGVEGANRFL KRVWKLVYEH TAKGEVAALN VDALSEDQKA LRRDVHKTIA KVTDDIGRRQ
     TFNTAIAAIM ELMNKLAKAP QEGEQDRALM QEALLAVVRM LNPFTPHACF TLWEALKGEG
     DIDNAPWPVA DDKAMVEDST LVVVQVNGKV RGKITVPVNA TEEQVRERAG QEHLVAKYLD
     GVTVRKVIYV PGKLLNLVVG