ID   SYL_STRR6               Reviewed;         833 AA.
AC   Q8DRB6;
DT   20-JUN-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   27-MAR-2024, entry version 124.
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=spr0235;
OS   Streptococcus pneumoniae (strain ATCC BAA-255 / R6).
OC   Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=171101;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-255 / R6;
RX   PubMed=11544234; DOI=10.1128/jb.183.19.5709-5717.2001;
RA   Hoskins J., Alborn W.E. Jr., Arnold J., Blaszczak L.C., Burgett S.,
RA   DeHoff B.S., Estrem S.T., Fritz L., Fu D.-J., Fuller W., Geringer C.,
RA   Gilmour R., Glass J.S., Khoja H., Kraft A.R., Lagace R.E., LeBlanc D.J.,
RA   Lee L.N., Lefkowitz E.J., Lu J., Matsushima P., McAhren S.M., McHenney M.,
RA   McLeaster K., Mundy C.W., Nicas T.I., Norris F.H., O'Gara M., Peery R.B.,
RA   Robertson G.T., Rockey P., Sun P.-M., Winkler M.E., Yang Y.,
RA   Young-Bellido M., Zhao G., Zook C.A., Baltz R.H., Jaskunas S.R.,
RA   Rosteck P.R. Jr., Skatrud P.L., Glass J.I.;
RT   "Genome of the bacterium Streptococcus pneumoniae strain R6.";
RL   J. Bacteriol. 183:5709-5717(2001).
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; AE007317; AAK99039.1; -; Genomic_DNA.
DR   PIR; C97901; C97901.
DR   RefSeq; NP_357829.1; NC_003098.1.
DR   RefSeq; WP_000011789.1; NC_003098.1.
DR   AlphaFoldDB; Q8DRB6; -.
DR   SMR; Q8DRB6; -.
DR   STRING; 171101.spr0235; -.
DR   KEGG; spr:spr0235; -.
DR   PATRIC; fig|171101.6.peg.268; -.
DR   eggNOG; COG0495; Bacteria.
DR   HOGENOM; CLU_004427_0_0_9; -.
DR   Proteomes; UP000000586; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
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; IBA:GO_Central.
DR   GO; GO:0006429; P:leucyl-tRNA aminoacylation; IBA:GO_Central.
DR   CDD; cd07958; Anticodon_Ia_Leu_BEm; 1.
DR   CDD; cd00812; LeuRS_core; 1.
DR   Gene3D; 3.40.50.620; HUPs; 2.
DR   Gene3D; 3.90.740.10; Valyl/Leucyl/Isoleucyl-tRNA synthetase, editing domain; 1.
DR   HAMAP; MF_00049_B; Leu_tRNA_synth_B; 1.
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.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase;
KW   Nucleotide-binding; Protein biosynthesis; Reference proteome.
FT   CHAIN           1..833
FT                   /note="Leucine--tRNA ligase"
FT                   /id="PRO_0000152096"
FT   MOTIF           41..52
FT                   /note="'HIGH' region"
FT   MOTIF           610..614
FT                   /note="'KMSKS' region"
FT   BINDING         613
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00049"
SQ   SEQUENCE   833 AA;  94367 MW;  53BA80978AB019B9 CRC64;
     MSFYNHKEIE PKWQGYWAEH HTFKTGTDAS KPKFYALDMF PYPSGVGLHV GHPEGYTATD
     ILSRYKRAQG YNVLHPMGWD AFGLPAEQYA MDTGNDPAEF TAENIANFKR QINALGFSYD
     WDREVNTTDP NYYKWTQWIF TKLYEKGLAY EAEVPVNWVE ELGTAIANEE VLPDGTSERG
     GYPVVRKPMR QWMLKITAYA ERLLNDLDEL DWSESIKDMQ RNWIGKSTGA NVTFKVKGTD
     KEFTVFTTRP DTLFGATFTV LAPEHELVDA ITSSEQAEAV ADYKHQASLK SDLVRTDLAK
     EKTGVWTGAY AINPVNGKEM PIWIADYVLA SYGTGAVMAV PAHDQRDWEF AKQFDLPIVE
     VLEGGNVEEA AYTEDGLHVN SDFLDGLNKE DAIAKIVACL EEKGCGQEKV TYRLRDWLFS
     RQRYWGEPIP IIHWEDGTST AVPETELPLV LPVTKDIRPS GTGESPLANL TDWLEVTRED
     GVKGRRETNT MPQWAGSSWY YLRYIDPHNT EKLADEDLLK QWLPVDIYVG GAEHAVLHLL
     YARFWHKFLY DLGVVPTKEP FQKLFNQGMI LGTSYRDHRG ALVATDKVEK RDGSFFHIET
     GEELEQAPAK MSKSLKNVVN PDDVVEQYGA DTLRVYEMFM GPLDASIAWS EEGLEGSRKF
     LDRVYRLITS KEILAENNGA LDKAYNETVK AVTEQIESLK FNTAIAQLMV FVNAANKEDK
     LYVDYAKGFI QLIAPFAPHL AEELWQTVAE TGESISYVAW PTWDESKLVE DEIEIVVQIK
     GKVRAKLMVA KDLSREELQE IALADEKVKA EIDGKEIVKV ISVPNKLVNI VVK
//