SYM_STAAR
ID SYM_STAAR Reviewed; 657 AA.
AC Q6GJI1;
DT 01-MAR-2005, integrated into UniProtKB/Swiss-Prot.
DT 19-JUL-2004, sequence version 1.
DT 03-AUG-2022, entry version 108.
DE RecName: Full=Methionine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_01228};
DE EC=6.1.1.10 {ECO:0000255|HAMAP-Rule:MF_01228};
DE AltName: Full=Methionyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_01228};
DE Short=MetRS {ECO:0000255|HAMAP-Rule:MF_01228};
GN Name=metG {ECO:0000255|HAMAP-Rule:MF_01228}; Synonyms=metS;
GN OrderedLocusNames=SAR0491;
OS Staphylococcus aureus (strain MRSA252).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC Staphylococcus.
OX NCBI_TaxID=282458;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MRSA252;
RX PubMed=15213324; DOI=10.1073/pnas.0402521101;
RA Holden M.T.G., Feil E.J., Lindsay J.A., Peacock S.J., Day N.P.J.,
RA Enright M.C., Foster T.J., Moore C.E., Hurst L., Atkin R., Barron A.,
RA Bason N., Bentley S.D., Chillingworth C., Chillingworth T., Churcher C.,
RA Clark L., Corton C., Cronin A., Doggett J., Dowd L., Feltwell T., Hance Z.,
RA Harris B., Hauser H., Holroyd S., Jagels K., James K.D., Lennard N.,
RA Line A., Mayes R., Moule S., Mungall K., Ormond D., Quail M.A.,
RA Rabbinowitsch E., Rutherford K.M., Sanders M., Sharp S., Simmonds M.,
RA Stevens K., Whitehead S., Barrell B.G., Spratt B.G., Parkhill J.;
RT "Complete genomes of two clinical Staphylococcus aureus strains: evidence
RT for the rapid evolution of virulence and drug resistance.";
RL Proc. Natl. Acad. Sci. U.S.A. 101:9786-9791(2004).
CC -!- FUNCTION: Is required not only for elongation of protein synthesis but
CC also for the initiation of all mRNA translation through initiator
CC tRNA(fMet) aminoacylation. {ECO:0000255|HAMAP-Rule:MF_01228}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + L-methionine + tRNA(Met) = AMP + diphosphate + L-
CC methionyl-tRNA(Met); Xref=Rhea:RHEA:13481, Rhea:RHEA-COMP:9667,
CC Rhea:RHEA-COMP:9698, ChEBI:CHEBI:30616, ChEBI:CHEBI:33019,
CC ChEBI:CHEBI:57844, ChEBI:CHEBI:78442, ChEBI:CHEBI:78530,
CC ChEBI:CHEBI:456215; EC=6.1.1.10; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_01228};
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01228}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01228}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MetG type 2B subfamily. {ECO:0000255|HAMAP-Rule:MF_01228}.
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DR EMBL; BX571856; CAG39513.1; -; Genomic_DNA.
DR RefSeq; WP_001051120.1; NC_002952.2.
DR AlphaFoldDB; Q6GJI1; -.
DR SMR; Q6GJI1; -.
DR DrugBank; DB05224; REP8839.
DR KEGG; sar:SAR0491; -.
DR HOGENOM; CLU_009710_9_4_9; -.
DR OMA; SDMHGTP; -.
DR OrthoDB; 761140at2; -.
DR Proteomes; UP000000596; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004825; F:methionine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-KW.
DR GO; GO:0006431; P:methionyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR CDD; cd07957; Anticodon_Ia_Met; 1.
DR CDD; cd00814; MetRS_core; 1.
DR CDD; cd02800; tRNA_bind_EcMetRS_like; 1.
DR Gene3D; 2.40.50.140; -; 1.
DR Gene3D; 3.40.50.620; -; 1.
DR HAMAP; MF_01228; Met_tRNA_synth_type2; 1.
DR InterPro; IPR001412; aa-tRNA-synth_I_CS.
DR InterPro; IPR041872; Anticodon_Met.
DR InterPro; IPR013155; M/V/L/I-tRNA-synth_anticd-bd.
DR InterPro; IPR004495; Met-tRNA-synth_bsu_C.
DR InterPro; IPR014758; Met-tRNA_synth.
DR InterPro; IPR023457; Met-tRNA_synth_2.
DR InterPro; IPR015413; Methionyl/Leucyl_tRNA_Synth.
DR InterPro; IPR033911; MetRS_core.
DR InterPro; IPR012340; NA-bd_OB-fold.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR InterPro; IPR002547; tRNA-bd_dom.
DR InterPro; IPR009080; tRNAsynth_Ia_anticodon-bd.
DR PANTHER; PTHR43326; PTHR43326; 1.
DR Pfam; PF08264; Anticodon_1; 1.
DR Pfam; PF09334; tRNA-synt_1g; 1.
DR Pfam; PF01588; tRNA_bind; 1.
DR PRINTS; PR01041; TRNASYNTHMET.
DR SUPFAM; SSF47323; SSF47323; 1.
DR SUPFAM; SSF50249; SSF50249; 1.
DR TIGRFAMs; TIGR00398; metG; 1.
DR TIGRFAMs; TIGR00399; metG_C_term; 1.
DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
DR PROSITE; PS50886; TRBD; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase;
KW Nucleotide-binding; Protein biosynthesis; RNA-binding; tRNA-binding.
FT CHAIN 1..657
FT /note="Methionine--tRNA ligase"
FT /id="PRO_0000139242"
FT DOMAIN 557..657
FT /note="tRNA-binding"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01228"
FT MOTIF 13..23
FT /note="'HIGH' region"
FT MOTIF 308..312
FT /note="'KMSKS' region"
FT BINDING 311
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01228"
SQ SEQUENCE 657 AA; 74898 MW; B1F3C94598B880FF CRC64;
MAKETFYITT PIYYPSGNLH IGHAYSTVAG DVIARYKRMQ GYDVRYLTGT DEHGQKIQEK
AQKAGKTEIE YLDEMIAGIK QLWAKLEISN DDFIRTTEER HKHVVEQVFE RLLKQGDIYL
GEYEGWYSVP DETYYTESQL VDPQYENGKI IGGKSPDSGH EVELVKEESY FFNISKYTDR
LLEFYDQNPD FIQPPSRKNE MINNFIKPGL ADLAVSRTSF NWGVHVPSNP KHVVYVWIDA
LVNYISALGY LSDDESLFNK YWPADIHLMA KEIVRFHSII WPILLMALDL PLPKKVFAHG
WILMKDGKMS KSKGNVVDPN ILIDRYGLDA TRYYLMRELP FGSDGVFTPE AFVERTNFDL
ANDLGNLVNR TISMINKYFD GELPAYQGPL HELDEEMEAM ALETVKSYTE SMESLQFSVA
LSTVWKFISR TNKYIDETTP WVLAKDDSQK DMLGNVMAHL VENIRYAAVL LRPFLTHAPK
EIFEQLNINN PQFMEFSSLE QYGVLTEPIM VTGQPKPIFP RLDSEAEIAY IKESMQPPAT
EEEKEEIPSK PQIDIKDFDK VEIKAATIID AEHVKKSDKL LKIQVDLDSE QRQIVSGIAK
FYTPDDIIGK KVAVVTNLKP AKLMGQKSEG MILSAEKDGV LTLVSLPSAI PNGAVIK
