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SYL_STRA1
ID   SYL_STRA1               Reviewed;         833 AA.
AC   Q3JYR6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   08-NOV-2005, sequence version 1.
DT   03-AUG-2022, entry version 108.
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=SAK_1995;
OS   Streptococcus agalactiae serotype Ia (strain ATCC 27591 / A909 / CDC
OS   SS700).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=205921;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 27591 / A909 / CDC SS700;
RX   PubMed=16172379; DOI=10.1073/pnas.0506758102;
RA   Tettelin H., Masignani V., Cieslewicz M.J., Donati C., Medini D.,
RA   Ward N.L., Angiuoli S.V., Crabtree J., Jones A.L., Durkin A.S., DeBoy R.T.,
RA   Davidsen T.M., Mora M., Scarselli M., Margarit y Ros I., Peterson J.D.,
RA   Hauser C.R., Sundaram J.P., Nelson W.C., Madupu R., Brinkac L.M.,
RA   Dodson R.J., Rosovitz M.J., Sullivan S.A., Daugherty S.C., Haft D.H.,
RA   Selengut J., Gwinn M.L., Zhou L., Zafar N., Khouri H., Radune D.,
RA   Dimitrov G., Watkins K., O'Connor K.J., Smith S., Utterback T.R., White O.,
RA   Rubens C.E., Grandi G., Madoff L.C., Kasper D.L., Telford J.L.,
RA   Wessels M.R., Rappuoli R., Fraser C.M.;
RT   "Genome analysis of multiple pathogenic isolates of Streptococcus
RT   agalactiae: implications for the microbial 'pan-genome'.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:13950-13955(2005).
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; CP000114; ABA45804.1; -; Genomic_DNA.
DR   RefSeq; WP_000145177.1; NC_007432.1.
DR   AlphaFoldDB; Q3JYR6; -.
DR   SMR; Q3JYR6; -.
DR   KEGG; sak:SAK_1995; -.
DR   HOGENOM; CLU_004427_0_0_9; -.
DR   OMA; TFMVLAP; -.
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; 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   PANTHER; PTHR43740; PTHR43740; 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; 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..833
FT                   /note="Leucine--tRNA ligase"
FT                   /id="PRO_1000009442"
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;  94012 MW;  B0B2297CBD17941F CRC64;
     MTFYNHKEIE PKWQAFWADN HTFKTGTDAS KPKFYALDMF PYPSGAGLHV GHPEGYTATD
     ILSRFKRAQG HNVLHPMGWD AFGLPAEQYA MDTGNDPAEF TAENIANFKR QINALGFSYD
     WDREVNTTDP NYYKWTQWIF TKLYEKGLAY EAEVPVNWVE ELGTAIANEE VLPDGTSERG
     GYPVVRKPMR QWMLKITAYA ERLLEDLEEV DWPESIKDMQ RNWIGKSTGA NVTFKVKDTD
     KDFTVFTTRP DTLFGATYAV LAPEHALVDA ITTADQAEAV AEYKRQASLK SDLARTDLAK
     EKTGVWTGAY AINPVNGKEI PVWIADYVLA SYGTGAIMAV PAHDERDWEF AKQFKLDIIP
     VLEGGNVEEA AFTEDGLHIN SDFLDGLDKA SAIAKMVEWL EAEGVGNEKV TYRLRDWLFS
     RQRYWGEPIP IIHWEDGTST AVPESELPLV LPVTKDIRPS GTGESPLANL TDWLEVTRED
     GVKGRRETNT MPQWAGSSWY YLRYIDPHNT EKLADEELLK QWLPVDIYVG GAEHAVLHLL
     YARFWHKVLY DLGVVPTKEP FQKLFNQGMI LGTSYRDSRG ALVATDKVEK RDGSFFHVET
     GEELEQAPAK MSKSLKNVVN PDDVVEQYGA DTLRVYEMFM GPLDASIAWS EEGLEGSRKF
     LDRVYRLITT KEITKENSGA LDKVYNETVK AVTEQVDQMK FNTAIAQLMV FVNAANKEDK
     LFSDYAKGFV QLIAPFAPHL GEELWQVLTA SGESISYVPW PSYDESKLVE NEIEIVVQIK
     GKVKAKLVVA KDLSREELQD LALANEKVQS EIAGKDIIKV IAVPNKLVNI VVK
 
 
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