ID   SYK_ALIF1               Reviewed;         501 AA.
AC   Q5E7P8;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2005, sequence version 1.
DT   03-AUG-2022, entry version 111.
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=VF_0453;
OS   Aliivibrio fischeri (strain ATCC 700601 / ES114) (Vibrio fischeri).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Vibrionales; Vibrionaceae;
OC   Aliivibrio.
OX   NCBI_TaxID=312309;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700601 / ES114;
RX   PubMed=15703294; DOI=10.1073/pnas.0409900102;
RA   Ruby E.G., Urbanowski M., Campbell J., Dunn A., Faini M., Gunsalus R.,
RA   Lostroh P., Lupp C., McCann J., Millikan D., Schaefer A., Stabb E.,
RA   Stevens A., Visick K., Whistler C., Greenberg E.P.;
RT   "Complete genome sequence of Vibrio fischeri: a symbiotic bacterium with
RT   pathogenic congeners.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:3004-3009(2005).
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; CP000020; AAW84948.1; -; Genomic_DNA.
DR   RefSeq; WP_011261233.1; NC_006840.2.
DR   RefSeq; YP_203836.1; NC_006840.2.
DR   AlphaFoldDB; Q5E7P8; -.
DR   SMR; Q5E7P8; -.
DR   STRING; 312309.VF_0453; -.
DR   EnsemblBacteria; AAW84948; AAW84948; VF_0453.
DR   KEGG; vfi:VF_0453; -.
DR   PATRIC; fig|312309.11.peg.443; -.
DR   eggNOG; COG1190; Bacteria.
DR   HOGENOM; CLU_008255_6_0_6; -.
DR   OMA; EIFGEKC; -.
DR   OrthoDB; 63621at2; -.
DR   Proteomes; UP000000537; Chromosome I.
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: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   Pfam; PF00152; tRNA-synt_2; 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;
KW   Reference proteome.
FT   CHAIN           1..501
FT                   /note="Lysine--tRNA ligase"
FT                   /id="PRO_1000012961"
FT   BINDING         411
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT   BINDING         418
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT   BINDING         418
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
SQ   SEQUENCE   501 AA;  56898 MW;  1FD97C1BBC2DC515 CRC64;
     MTEQVQLDEN KLIAERRGKL DHIRQACKAN GHPNDFRRDS LAGDLQAEFG EKTKEELEEL
     NHVVAIAGRV MAKRGPFLLI QEVSGKIQAY AAKEVQKELK DKYQGLDIGD IIGVKGALHK
     SGKGDLYVNM EEYVLLTKAL RPLPEKFHGL TDQEMRYRQR YVDLIVNDDS RHAFIVRSKV
     VAAIRNFMVD KGFMEVETPM MHVIPGGASA RPFVTHHNAL DVDMYLRIAP ELYLKRLVVG
     GFERVFEINR NFRNEGLSPR HNPEFTMMEF YMAYADYNDL MDLTEEMLST VATSVLGSDK
     MPYGEHTVDF GGKYARMSML DAIKQYNPDH AEIQALTYEG VKDRDLMVSI AKSVHVDVES
     FWTCGQLLEE IFGETAEPKL MQPTFITEYP ADISPLARRN DDNDFITDRF EFFIGGREVA
     NGFSELNDAQ DQDERFKAQV NAKESGDDEA MYYDADYITA LEHGLPPTAG QGIGIDRLVM
     LLTNTHTIRD VILFPSMRPQ A