ID   SYW_CLOTE               Reviewed;         338 AA.
AC   Q891C7;
DT   15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2003, sequence version 1.
DT   03-AUG-2022, entry version 103.
DE   RecName: Full=Tryptophan--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00140};
DE            EC=6.1.1.2 {ECO:0000255|HAMAP-Rule:MF_00140};
DE   AltName: Full=Tryptophanyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00140};
DE            Short=TrpRS {ECO:0000255|HAMAP-Rule:MF_00140};
GN   Name=trpS {ECO:0000255|HAMAP-Rule:MF_00140}; OrderedLocusNames=CTC_02453;
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   -!- FUNCTION: Catalyzes the attachment of tryptophan to tRNA(Trp).
CC       {ECO:0000255|HAMAP-Rule:MF_00140}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-tryptophan + tRNA(Trp) = AMP + diphosphate + H(+) + L-
CC         tryptophanyl-tRNA(Trp); Xref=Rhea:RHEA:24080, Rhea:RHEA-COMP:9671,
CC         Rhea:RHEA-COMP:9705, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:33019, ChEBI:CHEBI:57912, ChEBI:CHEBI:78442,
CC         ChEBI:CHEBI:78535, ChEBI:CHEBI:456215; EC=6.1.1.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00140};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00140}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00140}.
CC   -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00140}.
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DR   EMBL; AE015927; AAO36918.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q891C7; -.
DR   SMR; Q891C7; -.
DR   STRING; 212717.CTC_02453; -.
DR   EnsemblBacteria; AAO36918; AAO36918; CTC_02453.
DR   KEGG; ctc:CTC_02453; -.
DR   HOGENOM; CLU_029244_1_1_9; -.
DR   OMA; GWGQFKP; -.
DR   Proteomes; UP000001412; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004830; F:tryptophan-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006436; P:tryptophanyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd00806; TrpRS_core; 1.
DR   Gene3D; 3.40.50.620; -; 1.
DR   HAMAP; MF_00140_B; Trp_tRNA_synth_B; 1.
DR   InterPro; IPR001412; aa-tRNA-synth_I_CS.
DR   InterPro; IPR002305; aa-tRNA-synth_Ic.
DR   InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR   InterPro; IPR002306; Trp-tRNA-ligase.
DR   InterPro; IPR024109; Trp-tRNA-ligase_bac-type.
DR   Pfam; PF00579; tRNA-synt_1b; 1.
DR   PRINTS; PR01039; TRNASYNTHTRP.
DR   TIGRFAMs; TIGR00233; trpS; 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..338
FT                   /note="Tryptophan--tRNA ligase"
FT                   /id="PRO_0000136624"
FT   MOTIF           19..27
FT                   /note="'HIGH' region"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   MOTIF           202..206
FT                   /note="'KMSKS' region"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         18..20
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         26..27
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         142
FT                   /ligand="L-tryptophan"
FT                   /ligand_id="ChEBI:CHEBI:57912"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         154..156
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         193
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         202..206
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
SQ   SEQUENCE   338 AA;  38118 MW;  A38747F49534B997 CRC64;
     MGGINMEDNK KTIFSGIQPS GNLTIGNYFG ALKNWVKLQD EYNCFYCIVD LHAITVRQVP
     QELRKRTLEV LAVYIASGLD PEKNTLFIQS HVPAHTEAAW LLNCFTYLGE LNRMTQFKDK
     SQNAGESISA GLLNYPVLMA ADILLYNADL VPVGNDQKQH LELTRDIATR FNNLYSPTFK
     VPEPYIGKTG ARIMDLQEPK KKMSKSAENK NGYILIMDPP NIIQNKINRA VTDNEGIVRY
     SDEQPGVKNL MNILSTATGK NVESIEKEYA GLGYSKFKKD VAEAIIAEVE PLQKEVKRYL
     EDKSYLEKVY KEGAQKASYV ANKTLSKMKR KIGFVLDK