ID SYK1_ECOL6 Reviewed; 505 AA.
AC P0A8N4; P13030;
DT 07-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT 23-JAN-2007, sequence version 2.
DT 27-MAR-2024, entry version 115.
DE RecName: Full=Lysine--tRNA ligase;
DE EC=6.1.1.6;
DE AltName: Full=Lysyl-tRNA synthetase;
DE Short=LysRS;
GN Name=lysS; OrderedLocusNames=c3469;
OS Escherichia coli O6:H1 (strain CFT073 / ATCC 700928 / UPEC).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=199310;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CFT073 / ATCC 700928 / UPEC;
RX PubMed=12471157; DOI=10.1073/pnas.252529799;
RA Welch R.A., Burland V., Plunkett G. III, Redford P., Roesch P., Rasko D.,
RA Buckles E.L., Liou S.-R., Boutin A., Hackett J., Stroud D., Mayhew G.F.,
RA Rose D.J., Zhou S., Schwartz D.C., Perna N.T., Mobley H.L.T.,
RA Donnenberg M.S., Blattner F.R.;
RT "Extensive mosaic structure revealed by the complete genome sequence of
RT uropathogenic Escherichia coli.";
RL Proc. Natl. Acad. Sci. U.S.A. 99:17020-17024(2002).
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 -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420; Evidence={ECO:0000250};
CC Note=Binds 3 Mg(2+) ions per subunit. {ECO:0000250};
CC -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family.
CC {ECO:0000305}.
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DR EMBL; AE014075; AAN81917.1; -; Genomic_DNA.
DR RefSeq; WP_000003071.1; NZ_CP051263.1.
DR AlphaFoldDB; P0A8N4; -.
DR BMRB; P0A8N4; -.
DR SMR; P0A8N4; -.
DR STRING; 199310.c3469; -.
DR KEGG; ecc:c3469; -.
DR eggNOG; COG1190; Bacteria.
DR HOGENOM; CLU_008255_6_0_6; -.
DR BioCyc; ECOL199310:C3469-MONOMER; -.
DR Proteomes; UP000001410; 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; Nucleic acid-binding proteins; 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 NCBIfam; TIGR00499; lysS_bact; 1.
DR PANTHER; PTHR42918:SF9; LYSINE--TRNA LIGASE; 1.
DR PANTHER; PTHR42918; LYSYL-TRNA SYNTHETASE; 1.
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; SSF55681; Class II aaRS and biotin synthetases; 1.
DR SUPFAM; SSF50249; Nucleic acid-binding proteins; 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 INIT_MET 1
FT /note="Removed"
FT /evidence="ECO:0000250"
FT CHAIN 2..505
FT /note="Lysine--tRNA ligase"
FT /id="PRO_0000152623"
FT BINDING 415
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 422
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000250"
FT BINDING 422
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000250"
SQ SEQUENCE 505 AA; 57603 MW; F2CA901FBA63CFEF CRC64;
MSEQHAQGAD AVVDLNNELK TRREKLANLR EQGIAFPNDF RRDHTSDQLH AEFDGKENEE
LEALNIEVAV AGRMMTRRIM GKASFVTLQD VGGRIQLYVA RDDLPEGVYN EQFKKWDLGD
ILGAKGKLFK TKTGELSIHC TELRLLTKAL RPLPDKFHGL QDQEARYRQR YLDLISNDES
RNTFKVRSQI LSGIRQFMVN RGFMEVETPM MQVIPGGAAA RPFITHHNAL DLDMYLRIAP
ELYLKRLVVG GFERVFEINR NFRNEGISVR HNPEFTMMEL YMAYADYKDL IELTESLFRT
LAQDILGKTE VTYGDVTLDF GKPFEKLTMR EAIKKYRPET DMADLDNFDS AKAIAESIGI
HVEKSWGLGR IVTEIFEEVA EAHLIQPTFI TEYPAEVSPL ARRNDVNPEI TDRFEFFIGG
REIGNGFSEL NDAEDQAQRF LDQVAAKDAG DDEAMFYDED YVTALEHGLP PTAGLGIGID
RMVMLFTNSH TIRDVILFPA MRPVK
//
