SYK_HELHP
ID SYK_HELHP Reviewed; 518 AA.
AC Q7VFL0;
DT 15-DEC-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2003, sequence version 1.
DT 03-AUG-2022, entry version 109.
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=HH_1666;
OS Helicobacter hepaticus (strain ATCC 51449 / 3B1).
OC Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC Helicobacteraceae; Helicobacter.
OX NCBI_TaxID=235279;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 51449 / 3B1;
RX PubMed=12810954; DOI=10.1073/pnas.1332093100;
RA Suerbaum S., Josenhans C., Sterzenbach T., Drescher B., Brandt P., Bell M.,
RA Droege M., Fartmann B., Fischer H.-P., Ge Z., Hoerster A., Holland R.,
RA Klein K., Koenig J., Macko L., Mendz G.L., Nyakatura G., Schauer D.B.,
RA Shen Z., Weber J., Frosch M., Fox J.G.;
RT "The complete genome sequence of the carcinogenic bacterium Helicobacter
RT hepaticus.";
RL Proc. Natl. Acad. Sci. U.S.A. 100:7901-7906(2003).
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; AE017125; AAP78263.1; -; Genomic_DNA.
DR RefSeq; WP_011116505.1; NC_004917.1.
DR AlphaFoldDB; Q7VFL0; -.
DR SMR; Q7VFL0; -.
DR STRING; 235279.HH_1666; -.
DR EnsemblBacteria; AAP78263; AAP78263; HH_1666.
DR KEGG; hhe:HH_1666; -.
DR eggNOG; COG1190; Bacteria.
DR HOGENOM; CLU_008255_6_0_7; -.
DR OMA; EIFGEKC; -.
DR OrthoDB; 63621at2; -.
DR Proteomes; UP000002495; 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;
KW Reference proteome.
FT CHAIN 1..518
FT /note="Lysine--tRNA ligase"
FT /id="PRO_0000152635"
FT BINDING 407
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT BINDING 414
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT BINDING 414
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
SQ SEQUENCE 518 AA; 59739 MW; AF0F3ABD55D73459 CRC64;
MFSNFYVQQR IKKMELMRQE GFNPYANKTT RTISNYNFLN KYNHLKMQSS DDTQDCTQNK
EIESIVGRVR FIRLMGKACF IKIQDESGIL QAYVSKNDIG EDFLLIKKVL EVGDIINVSG
YAFVTKTGEL SIHTLTLQIL TKSIVPLPEK FHGLNDIELR YRQRYVDLIV NNKVKETFKL
RSQIVSCIRQ FFEQKGFLEV ETPMLHSIPG GANARPFITH HNALDVDRYL RIAPELYLKR
LIVGGFEAIF ELNRNFRNEG MDHSHNPEFS MIEFYWAYKT YEDLITLTQE LFAFLFKKLN
LPHSLIHDEL EIDFSQWHII GYKEALIKIG GLDKNIIDNQ DALLSFLMSK HLKVDKSMSY
GKLLGEAFDE FVEHKLINPT FITQYPIEIS PLARRNDENP NVADRFELFI GGKEIANGFS
ELNDPIDQFE RFKEQAKAKD AGDEEAQYMD EDYVWALAHG MPPTAGEGIG IDRLVMLLSN
AKTIKDVILF PALKPTKSNF DIILSQDALS NAQIIKEN
