ID   SYL_LACGA               Reviewed;         804 AA.
AC   Q045L5;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   14-NOV-2006, sequence version 1.
DT   03-AUG-2022, entry version 106.
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=LGAS_0459;
OS   Lactobacillus gasseri (strain ATCC 33323 / DSM 20243 / BCRC 14619 / CIP
OS   102991 / JCM 1131 / KCTC 3163 / NCIMB 11718 / NCTC 13722 / AM63).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactobacillus.
OX   NCBI_TaxID=324831;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 33323 / DSM 20243 / BCRC 14619 / CIP 102991 / JCM 1131 / KCTC
RC   3163 / NCIMB 11718 / NCTC 13722 / AM63;
RX   PubMed=17030793; DOI=10.1073/pnas.0607117103;
RA   Makarova K.S., Slesarev A., Wolf Y.I., Sorokin A., Mirkin B., Koonin E.V.,
RA   Pavlov A., Pavlova N., Karamychev V., Polouchine N., Shakhova V.,
RA   Grigoriev I., Lou Y., Rohksar D., Lucas S., Huang K., Goodstein D.M.,
RA   Hawkins T., Plengvidhya V., Welker D., Hughes J., Goh Y., Benson A.,
RA   Baldwin K., Lee J.-H., Diaz-Muniz I., Dosti B., Smeianov V., Wechter W.,
RA   Barabote R., Lorca G., Altermann E., Barrangou R., Ganesan B., Xie Y.,
RA   Rawsthorne H., Tamir D., Parker C., Breidt F., Broadbent J.R., Hutkins R.,
RA   O'Sullivan D., Steele J., Unlu G., Saier M.H. Jr., Klaenhammer T.,
RA   Richardson P., Kozyavkin S., Weimer B.C., Mills D.A.;
RT   "Comparative genomics of the lactic acid bacteria.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:15611-15616(2006).
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; CP000413; ABJ59857.1; -; Genomic_DNA.
DR   RefSeq; WP_003647691.1; NZ_WBMG01000004.1.
DR   AlphaFoldDB; Q045L5; -.
DR   SMR; Q045L5; -.
DR   KEGG; lga:LGAS_0459; -.
DR   HOGENOM; CLU_004427_0_0_9; -.
DR   OMA; TFMVLAP; -.
DR   OrthoDB; 32262at2; -.
DR   BioCyc; LGAS324831:G1G6Y-459-MON; -.
DR   Proteomes; UP000000664; 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   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; 1.
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..804
FT                   /note="Leucine--tRNA ligase"
FT                   /id="PRO_1000091327"
FT   MOTIF           39..50
FT                   /note="'HIGH' region"
FT   MOTIF           573..577
FT                   /note="'KMSKS' region"
FT   BINDING         576
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00049"
SQ   SEQUENCE   804 AA;  92302 MW;  C0F075BFFE9FFE06 CRC64;
     MYNHKTVEKK WQKYWAEHDT FKTGNDPKKK NYYALDMFPF PSGKGLHVGH PEGYTATDII
     SRMKRAQGYN VLHPMGWDAF GLPTEQYALK TGEDPEKVTK ENIANFKKQL NKLGFSYDWD
     REVTTSDPNY YKWTQWVFEQ MYKKGLAYEA EVPVNWSPDL GTVVANEEIV DGKTERGGYP
     VYRRNMRQWM LKMTAYADRL LEDLDDLDWP EPVKEMQRNW IGRSEGAQVT FKVKDSDKTF
     DVFTTRPDTL FGVSYTVLAP ESKLVQEITT PEQKAAVDSY IKKIESKSDL ERTDLNKDKT
     GVFTGAYAIN PVNGKEVPVW ISDYVLASYG TGAVMAVPAH DDRDYAFATK FGLPINRVIE
     GGDLEKEAFT GNGKHINSDF LDGLDNEEAK KRMIEWLEDH NAGQKKVNYK LRDWDFSRQR
     YWGEPIPVIH WEDGTTSLVP EDELPLRLPH ATDIKPSGTP ESPLANLTDW VNVVDKNGRK
     GKRETNTMPN WAGSSWYYLR YIDPHNDKEL ADYDLLKKWL PVDLYIGGAE HAVRHLLYAR
     FWHKVLYDLG VVPTKEPFQR LYNQGLILKN HEKMSKSKGN VVNPDDVIDE YGADSLRMYE
     MFMGPLDASI DWDDNGPAST KKFLDRVWRL FVNDLDLKAI PQERIVDKND GELDKVYAET
     VKKVTEDFDA LHFNTAISQM MVFINAAQKA KTIPREYAEG FVKLLAPVAP HMMEEIWQVF
     GHDESISYAK WPEYDPAKLV ESTVEIMVQV NGKLRGKFKA AKDSAKDALE KEALSLDHVQ
     KFLDGKDVKK VIVIPNKIVN IVAK