ID   SYW_NOSS1               Reviewed;         335 AA.
AC   Q8YXE4;
DT   08-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 98.
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=all1269;
OS   Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576).
OC   Bacteria; Cyanobacteria; Nostocales; Nostocaceae; Nostoc.
OX   NCBI_TaxID=103690;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=PCC 7120 / SAG 25.82 / UTEX 2576;
RX   PubMed=11759840; DOI=10.1093/dnares/8.5.205;
RA   Kaneko T., Nakamura Y., Wolk C.P., Kuritz T., Sasamoto S., Watanabe A.,
RA   Iriguchi M., Ishikawa A., Kawashima K., Kimura T., Kishida Y., Kohara M.,
RA   Matsumoto M., Matsuno A., Muraki A., Nakazaki N., Shimpo S., Sugimoto M.,
RA   Takazawa M., Yamada M., Yasuda M., Tabata S.;
RT   "Complete genomic sequence of the filamentous nitrogen-fixing
RT   cyanobacterium Anabaena sp. strain PCC 7120.";
RL   DNA Res. 8:205-213(2001).
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; BA000019; BAB73226.1; -; Genomic_DNA.
DR   PIR; AB1965; AB1965.
DR   RefSeq; WP_010995441.1; NZ_RSCN01000021.1.
DR   AlphaFoldDB; Q8YXE4; -.
DR   SMR; Q8YXE4; -.
DR   STRING; 103690.17130616; -.
DR   EnsemblBacteria; BAB73226; BAB73226; BAB73226.
DR   KEGG; ana:all1269; -.
DR   eggNOG; COG0180; Bacteria.
DR   OMA; GWGQFKP; -.
DR   OrthoDB; 951354at2; -.
DR   Proteomes; UP000002483; 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_0000136597"
FT   MOTIF           12..20
FT                   /note="'HIGH' region"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   MOTIF           198..202
FT                   /note="'KMSKS' region"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         11..13
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         19..20
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         135
FT                   /ligand="L-tryptophan"
FT                   /ligand_id="ChEBI:CHEBI:57912"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         147..149
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         189
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
FT   BINDING         198..202
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00140"
SQ   SEQUENCE   335 AA;  37457 MW;  4D9A620659AF4ABD CRC64;
     MGKQRVLSGV QPTGNLHLGN YLGAIRNWVE IQDQYDNFFC VVDLHAITVP HNPATLAADT
     YAIAALYLAC GIDLKYSNIF VQSHVSAHSE LAWFLNCITP LNWLQDMIQF KEKAVKQGEN
     VGAGLLIYPV LMAADILLYQ ADKVPVGEDQ KQHLELTRDI VNRFNHQFAK DKPVMKLPEP
     LIRKEGARVM SLTDGTRKMS KSDPSELSRI NLLDPPDQIA NKIKRCKTDP VKGLTFDDPE
     RPECNNLLTL YMLLSGKKKE EVAAECQDMG WGQFKPLFTE TAINALKPIQ EKYQEITADK
     GYLESVLRDG REKAETVANQ TLADVKAALG YSAPV