ID   SYK_PROM2               Reviewed;         512 AA.
AC   A8G7C4;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   03-AUG-2022, entry version 87.
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=P9215_18921;
OS   Prochlorococcus marinus (strain MIT 9215).
OC   Bacteria; Cyanobacteria; Synechococcales; Prochlorococcaceae;
OC   Prochlorococcus.
OX   NCBI_TaxID=93060;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MIT 9215;
RX   PubMed=18159947; DOI=10.1371/journal.pgen.0030231;
RA   Kettler G.C., Martiny A.C., Huang K., Zucker J., Coleman M.L., Rodrigue S.,
RA   Chen F., Lapidus A., Ferriera S., Johnson J., Steglich C., Church G.M.,
RA   Richardson P., Chisholm S.W.;
RT   "Patterns and implications of gene gain and loss in the evolution of
RT   Prochlorococcus.";
RL   PLoS Genet. 3:2515-2528(2007).
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; CP000825; ABV51505.1; -; Genomic_DNA.
DR   RefSeq; WP_012008500.1; NC_009840.1.
DR   AlphaFoldDB; A8G7C4; -.
DR   SMR; A8G7C4; -.
DR   STRING; 93060.P9215_18921; -.
DR   EnsemblBacteria; ABV51505; ABV51505; P9215_18921.
DR   KEGG; pmh:P9215_18921; -.
DR   eggNOG; COG1190; Bacteria.
DR   HOGENOM; CLU_008255_6_0_3; -.
DR   OMA; EIFGEKC; -.
DR   OrthoDB; 63621at2; -.
DR   Proteomes; UP000002014; 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; IPR034762; Lys-tRNA-ligase_II_bac/euk.
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   PIRSF; PIRSF039101; LysRS2; 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..512
FT                   /note="Lysine--tRNA ligase"
FT                   /id="PRO_1000059041"
FT   BINDING         408
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT   BINDING         415
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT   BINDING         415
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
SQ   SEQUENCE   512 AA;  58797 MW;  DB0DC622F6BFDD81 CRC64;
     MSEIKEARLQ KARSLVSKGF ASYAQSFKVS NTTSFLLQEF DYLENGQEAD FSVSVAGRVL
     AKRVMGKIAF FTISDQEGQI QLYLDKRIIN LNLEKQKLLS FEDIKEIVDI GDWIGVYGTI
     KKTNKGELSI KVEKWEMLSK SLQPLPDKWH GLTDIEKRYR QRYLDLIVNP HSKNVFKTRA
     KCISFIRKWL DNRNFLEIET PILQSEAGGA EARPFITHHN TLDIPLYLRI ATELHLKRMV
     VGGFEKVYEM GRIFRNEGIS TRHNPEFTSV EIYEAYSDYF DMMNLTEELI KDVVADSCGS
     LIINYQNKEI DFSKPWLRIS MKDIVKKYTG IDFDSFSGDF LAAKQAVKNI NVDLSNKVNT
     MGRLLNEVFE QKVESKLIEP TFVIDYPVEI SPLARPHFDN KEIVQRFELF IVGRELANAF
     SELIDPVDQR ERMQLQQSLR DEGDLEAHCI DEDFLNALEI GMPPTGGLGI GIDRLIMLIT
     NSASIRDVIP FPLLKPEITS KKSEKLPLNE VK