SYK_BUCAP
ID SYK_BUCAP Reviewed; 503 AA.
AC Q8K9C5;
DT 08-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-2002, sequence version 1.
DT 03-AUG-2022, entry version 125.
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=BUsg_422;
OS Buchnera aphidicola subsp. Schizaphis graminum (strain Sg).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Erwiniaceae; Buchnera.
OX NCBI_TaxID=198804;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Sg;
RX PubMed=12089438; DOI=10.1126/science.1071278;
RA Tamas I., Klasson L., Canbaeck B., Naeslund A.K., Eriksson A.-S.,
RA Wernegreen J.J., Sandstroem J.P., Moran N.A., Andersson S.G.E.;
RT "50 million years of genomic stasis in endosymbiotic bacteria.";
RL Science 296:2376-2379(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 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; AE013218; AAM67966.1; -; Genomic_DNA.
DR RefSeq; WP_011053933.1; NC_004061.1.
DR AlphaFoldDB; Q8K9C5; -.
DR SMR; Q8K9C5; -.
DR STRING; 198804.BUsg_422; -.
DR EnsemblBacteria; AAM67966; AAM67966; BUsg_422.
DR KEGG; bas:BUsg_422; -.
DR eggNOG; COG1190; Bacteria.
DR HOGENOM; CLU_008255_6_0_6; -.
DR OMA; EIFGEKC; -.
DR OrthoDB; 63621at2; -.
DR Proteomes; UP000000416; 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.
FT CHAIN 1..503
FT /note="Lysine--tRNA ligase"
FT /id="PRO_0000152606"
FT BINDING 412
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT BINDING 419
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
FT BINDING 419
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00252"
SQ SEQUENCE 503 AA; 59316 MW; DF04EA14B2EE8753 CRC64;
MIKKTDLNNN IFQKEKQIRK EKLINMKKNG FSFPNSFKKN TNSIKIHQEY ENKTINELKV
LNVEVTIAGR MIQRRIMGKA SFFTLQDMEG KIQIYTREKE ITSDFYNNHF KKWDIGDILG
IEGILFKTKT GELSIFSKKL KILTKSLRPL PDKFHGLSNQ EKRYRKRYLD LISNNQLFNI
FKNRSKIIRF IRNFMIENNF LEVETPMLHN IPGGANARPF ITYHNEINEE MYLRIAPELY
LKQLIVGGFE RIFELNRNFR NEGVSARHNP EFTMMEAYIA YSNYEDMMNF TENLLKNIIK
SICGKSEIKY NKYYLNFNIP FKKLTMKESI LQFNSNICLS DLKNLQKIKK IANNIGIEIK
DNWNIGYIEN EIFEKTVEKN LIQPTFITEY PVEVSPLARR NDFNSNVTDR FELFIAGYEI
GNGFSELNDS EDQKNRFLNQ MKIAEKEKNK DMLYDENYIE ALKYGLPPTS GLGIGIDRLI
MILTNQISIR DVILFPTLRS FKK
