ID   SYK_MYCCT               Reviewed;         500 AA.
AC   Q2SR35;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   24-JAN-2006, sequence version 1.
DT   03-AUG-2022, entry version 102.
DE   RecName: Full=Lysine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00252};
DE            EC=6.1.1.6 {ECO:0000255|HAMAP-Rule:MF_00252};
DE   AltName: Full=Lysyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00252};
DE            Short=LysRS {ECO:0000255|HAMAP-Rule:MF_00252};
GN   Name=lysS {ECO:0000255|HAMAP-Rule:MF_00252}; OrderedLocusNames=MCAP_0836;
OS   Mycoplasma capricolum subsp. capricolum (strain California kid / ATCC 27343
OS   / NCTC 10154).
OC   Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mycoplasma.
OX   NCBI_TaxID=340047;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=California kid / ATCC 27343 / NCTC 10154;
RA   Glass J.I., Lartigue C., Pfannkoch C., Baden-Tillson H., Smith H.O.,
RA   Venter J.C., Roske K., Wise K.S., Calcutt M.J., Nelson W.C., Nierman W.C.;
RL   Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + L-lysine + tRNA(Lys) = AMP + diphosphate + L-lysyl-
CC         tRNA(Lys); Xref=Rhea:RHEA:20792, Rhea:RHEA-COMP:9696, Rhea:RHEA-
CC         COMP:9697, ChEBI:CHEBI:30616, ChEBI:CHEBI:32551, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:78442, ChEBI:CHEBI:78529, ChEBI:CHEBI:456215; EC=6.1.1.6;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00252};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00252};
CC       Note=Binds 3 Mg(2+) ions per subunit. {ECO:0000255|HAMAP-
CC       Rule:MF_00252};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00252}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00252}.
CC   -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00252}.
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DR   EMBL; CP000123; ABC01601.1; -; Genomic_DNA.
DR   RefSeq; WP_011387662.1; NC_007633.1.
DR   AlphaFoldDB; Q2SR35; -.
DR   SMR; Q2SR35; -.
DR   EnsemblBacteria; ABC01601; ABC01601; MCAP_0836.
DR   GeneID; 23778211; -.
DR   KEGG; mcp:MCAP_0836; -.
DR   HOGENOM; CLU_008255_6_0_14; -.
DR   OMA; EIFGEKC; -.
DR   OrthoDB; 63621at2; -.
DR   PhylomeDB; Q2SR35; -.
DR   Proteomes; UP000001928; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004824; F:lysine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000287; F:magnesium ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003676; F:nucleic acid binding; IEA:InterPro.
DR   GO; GO:0006430; P:lysyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd00775; LysRS_core; 1.
DR   CDD; cd04322; LysRS_N; 1.
DR   Gene3D; 2.40.50.140; -; 1.
DR   Gene3D; 3.30.930.10; -; 1.
DR   HAMAP; MF_00252; Lys_tRNA_synth_class2; 1.
DR   InterPro; IPR004364; Aa-tRNA-synt_II.
DR   InterPro; IPR006195; aa-tRNA-synth_II.
DR   InterPro; IPR045864; aa-tRNA-synth_II/BPL/LPL.
DR   InterPro; IPR002313; Lys-tRNA-ligase_II.
DR   InterPro; IPR044136; Lys-tRNA-ligase_II_N.
DR   InterPro; IPR018149; Lys-tRNA-synth_II_C.
DR   InterPro; IPR012340; NA-bd_OB-fold.
DR   InterPro; IPR004365; NA-bd_OB_tRNA.
DR   Pfam; PF00152; tRNA-synt_2; 1.
DR   Pfam; PF01336; tRNA_anti-codon; 1.
DR   PRINTS; PR00982; TRNASYNTHLYS.
DR   SUPFAM; SSF50249; SSF50249; 1.
DR   SUPFAM; SSF55681; SSF55681; 1.
DR   TIGRFAMs; TIGR00499; lysS_bact; 1.
DR   PROSITE; PS50862; AA_TRNA_LIGASE_II; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase; Magnesium;
KW   Metal-binding; Nucleotide-binding; Protein biosynthesis.
FT   CHAIN           1..500
FT                   /note="Lysine--tRNA ligase"
FT                   /id="PRO_1000012893"
FT   BINDING         410
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT   BINDING         417
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT   BINDING         417
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
SQ   SEQUENCE   500 AA;  58106 MW;  8D3F454B46DD4781 CRC64;
     MLDDRKFSEQ ELVRRNKYKN LVDQNKDPYK ITNWKRNTTL LKLNEKYKDY SKEELLNLTQ
     ELVIVAGRIK LYREAGKKAA FVNIDDQDSS IQLYVRLDEI GQEAFEDFRD LDLGDIIGVK
     GNMMRTDHGE LSIRCKEVVL LSKALRPLPD KHAGIQDIEE KYRRRYVDLI MNHDVRKTFQ
     ARTKIIRTMQ NFLDNRGYME VETPILHSLK GGASAKPFVT HYNVLNTDVY LRIATELHLK
     RLIVGGFEGV YEIGRIFRNE GMSTRHNPEF TSIELYVAYE DMFFLMDLTE EIFRVCNSAV
     NSSSVIEYNN VKIDLSKPFK RLHMVDGIKQ VTGVDFWQEM TVEQALELAK KHNVYVEKHQ
     ESVGHIINLF YEEFVESTIV EPTFVYGHPK EISPLAKSNP NDPRFTDRFE LFIIGREYAN
     AFSELNDPID QYERFKAQLE EESKGNDEAN DMDIDFVEAL EHAMPPTAGI GIGIDRLVML
     LTNCDSIKDV LLFPQMKPKE