ID   SYL_CLOTE               Reviewed;         812 AA.
AC   Q898V2;
DT   20-JUN-2003, integrated into UniProtKB/Swiss-Prot.
DT   20-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 112.
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=CTC_00337;
OS   Clostridium tetani (strain Massachusetts / E88).
OC   Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC   Clostridium.
OX   NCBI_TaxID=212717;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Massachusetts / E88;
RX   PubMed=12552129; DOI=10.1073/pnas.0335853100;
RA   Brueggemann H., Baeumer S., Fricke W.F., Wiezer A., Liesegang H.,
RA   Decker I., Herzberg C., Martinez-Arias R., Merkl R., Henne A.,
RA   Gottschalk G.;
RT   "The genome sequence of Clostridium tetani, the causative agent of tetanus
RT   disease.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:1316-1321(2003).
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=AAO34977.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE015927; AAO34977.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_035110983.1; NC_004557.1.
DR   AlphaFoldDB; Q898V2; -.
DR   SMR; Q898V2; -.
DR   STRING; 212717.CTC_00337; -.
DR   EnsemblBacteria; AAO34977; AAO34977; CTC_00337.
DR   GeneID; 64180989; -.
DR   KEGG; ctc:CTC_00337; -.
DR   HOGENOM; CLU_004427_0_0_9; -.
DR   OMA; TFMVLAP; -.
DR   OrthoDB; 32262at2; -.
DR   Proteomes; UP000001412; 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; 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; 2.
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.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase;
KW   Nucleotide-binding; Protein biosynthesis; Reference proteome.
FT   CHAIN           1..812
FT                   /note="Leucine--tRNA ligase"
FT                   /id="PRO_0000152004"
FT   MOTIF           40..51
FT                   /note="'HIGH' region"
FT   MOTIF           572..576
FT                   /note="'KMSKS' region"
FT   BINDING         575
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00049"
SQ   SEQUENCE   812 AA;  93037 MW;  230DDDDC5F31CB2D CRC64;
     MGNYGTNIDR KWQNKWEDSN LYHFDTNNLD KKLYVLEMFS YPSGSNLHAG HWFNYGPSDS
     WARFKRMQGF NVFQPMGFDS FGLPAENYAI KTGVHPKDST MKNIETMTKQ LKSMGAMFHW
     DNEVITSEPE YYKWTQWMFL QLYKNNLAYR KNAPVNWCPS CNTVLANEQV LDGACERCSS
     DVIKKDLTQW FFKITDYAEE LLEKLDDLDW PENTKSMQKH WIGKSIGAQL TFKIVDSDLS
     FDIFTTRADT LFGVTYAVLA PENPLVDKIT KEDHKAEIEA YKEQAKKQSE IERQSITREK
     TGVFTGSYAI NPINGKKVPV WVGDYVLSTY GTGAVMAVPA HDERDFEFAK KHNLPIEKVI
     EGGETLPYTE DGIMINSEEF NGLESSKGRS AVVEKLEKEN LGVKKINYRL RDWLVSRQRY
     WGAPIPIVYC DKCGTVAVPE EQLPVKLPYD VEFTPDGKSP LSKCDSFVNT TCPTCGGPAK
     REVDTLDTFV CSSWYFLRYA DNKNSEKAFD PKIINEILPV DKYVGGPEHA CMHLLYARFF
     TKALRDMGYL NFDEPFSSLT HQGLILGPDG LKMSKSKGNT ISPDDYIDEF GSDVFRMYLM
     FGFDYTEGGA WSDEGIKSVS RFVDRVERTL ASCRYYINNP SDDKITIDNN EKDLNFVRHN
     SIKSITEDAE KMQFNTCIAR LMEYTNALSK YINEDNKNSK FLKECVEDFI ILIAPFAPHF
     SEEQWELLGM TYSVFNEKWP QFDSKALVKD EIEIAVQVNG KIRDRITIAS GLDEESIKET
     ALNSEDVKKY TDGKNIVKII IIKGRLVNIV VK