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SYK_CITK8
ID   SYK_CITK8               Reviewed;         505 AA.
AC   A8AP96;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   23-OCT-2007, sequence version 1.
DT   03-AUG-2022, entry version 90.
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=CKO_04251;
OS   Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Citrobacter.
OX   NCBI_TaxID=290338;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG   The Citrobacter koseri Genome Sequencing Project;
RA   McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA   Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA   Johnson M., Thiruvilangam P., Wilson R.;
RL   Submitted (AUG-2007) 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; CP000822; ABV15309.1; -; Genomic_DNA.
DR   RefSeq; WP_012134993.1; NC_009792.1.
DR   AlphaFoldDB; A8AP96; -.
DR   SMR; A8AP96; -.
DR   STRING; 290338.CKO_04251; -.
DR   PRIDE; A8AP96; -.
DR   EnsemblBacteria; ABV15309; ABV15309; CKO_04251.
DR   GeneID; 45137855; -.
DR   KEGG; cko:CKO_04251; -.
DR   HOGENOM; CLU_008255_6_0_6; -.
DR   OMA; EIFGEKC; -.
DR   OrthoDB; 63621at2; -.
DR   Proteomes; UP000008148; 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;
KW   Reference proteome.
FT   CHAIN           1..505
FT                   /note="Lysine--tRNA ligase"
FT                   /id="PRO_1000012870"
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         422
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT   BINDING         422
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
SQ   SEQUENCE   505 AA;  57686 MW;  1F82EC2B016F23D6 CRC64;
     MSEQHAQGAD AVTDLNNELK TRREKLASLR EQGIPFPNDF RRDHTSDQLH ADFDAKENEE
     LEALNIEVSV AGRMMTRRIM GKASFVTLQD VGGRIQLYVA RDDLPEGVYN EQFKKWDLGD
     ILGAKGKLFK TKTGELSIHC TELRLLTKAL RPLPDKFHGL QDQEARYRQR YLDLISNDES
     RNTFKVRSQI MAGIRQFMVG RGFMEVETPM MQVIPGGAAA RPFITHHNAL DLDMYLRIAP
     ELYLKRLVVG GFERVFEINR NFRNEGISVR HNPEFTMMEL YMAYADYKDL IELTESLFRT
     LAQDILGKTE VPYGDEVFDF GKPFEKLTMR EAIKKYRPET DMADLDNFDS AKAIAESIGI
     KVEKSWGLGR IVTEIFEEVA EAHLIQPTFI TEYPAEVSPL ARRNDVNPEI TDRFEFFIGG
     REIGNGFSEL NDAEDQAQRF QDQVNAKEAG DDEAMFYDED YVTALEHGLP PTAGLGIGID
     RMVMLFTNSH TIRDVILFPA MRPVK
 
 
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