ID   SYW_BUCAI               Reviewed;         335 AA.
AC   P57602;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2000, sequence version 1.
DT   03-AUG-2022, entry version 107.
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=BU536;
OS   Buchnera aphidicola subsp. Acyrthosiphon pisum (strain APS) (Acyrthosiphon
OS   pisum symbiotic bacterium).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Erwiniaceae; Buchnera.
OX   NCBI_TaxID=107806;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=APS;
RX   PubMed=10993077; DOI=10.1038/35024074;
RA   Shigenobu S., Watanabe H., Hattori M., Sakaki Y., Ishikawa H.;
RT   "Genome sequence of the endocellular bacterial symbiont of aphids Buchnera
RT   sp. APS.";
RL   Nature 407:81-86(2000).
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; BA000003; BAB13229.1; -; Genomic_DNA.
DR   RefSeq; NP_240343.1; NC_002528.1.
DR   RefSeq; WP_010896153.1; NC_002528.1.
DR   AlphaFoldDB; P57602; -.
DR   SMR; P57602; -.
DR   STRING; 107806.10039195; -.
DR   EnsemblBacteria; BAB13229; BAB13229; BAB13229.
DR   KEGG; buc:BU536; -.
DR   PATRIC; fig|107806.10.peg.541; -.
DR   eggNOG; COG0180; Bacteria.
DR   HOGENOM; CLU_029244_1_2_6; -.
DR   OMA; GWGQFKP; -.
DR   Proteomes; UP000001806; 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..335
FT                   /note="Tryptophan--tRNA ligase"
FT                   /id="PRO_0000136610"
FT   MOTIF           14..22
FT                   /note="'HIGH' region"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   MOTIF           196..200
FT                   /note="'KMSKS' region"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         13..15
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         21..22
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         136
FT                   /ligand="L-tryptophan"
FT                   /ligand_id="ChEBI:CHEBI:57912"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         148..150
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         187
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         196..200
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
SQ   SEQUENCE   335 AA;  38549 MW;  871562D5A6734E3F CRC64;
     MILSKPILLS AVQPSGNLTI GNYIGTMRHW SKMQNNYECL YCIADLHALT IQKNKIHLNK
     SILDTISFYL SCGVDPQKSI IFIQSHVYQH SQLNWILNCF SQFSELLRMT QFKIKSNCSK
     KINAALFNYP ILMAADILLY QTNFVPVGQD QKQHVELTRN IAHRFNSLYG HVFTLPKPLI
     TQHGSKIMSL LEPSKKMSKS DINKKNVIFL LDDIKTVISK IQNAYTDSET PSKIYYDIEK
     KPGISNLLEI LSAITNKDID ILLKELEGML YSEFKNIVAD HLSKFLYKLQ KSYNDYRNDE
     VYLKKIAYEG AMKSQLKSNK TLTKVYDKLG LIPLF