SYM_ECO27
ID SYM_ECO27 Reviewed; 677 AA.
AC B7UFD1;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 10-FEB-2009, sequence version 1.
DT 03-AUG-2022, entry version 80.
DE RecName: Full=Methionine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00098};
DE EC=6.1.1.10 {ECO:0000255|HAMAP-Rule:MF_00098};
DE AltName: Full=Methionyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00098};
DE Short=MetRS {ECO:0000255|HAMAP-Rule:MF_00098};
GN Name=metG {ECO:0000255|HAMAP-Rule:MF_00098}; OrderedLocusNames=E2348C_2260;
OS Escherichia coli O127:H6 (strain E2348/69 / EPEC).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=574521;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=E2348/69 / EPEC;
RX PubMed=18952797; DOI=10.1128/jb.01238-08;
RA Iguchi A., Thomson N.R., Ogura Y., Saunders D., Ooka T., Henderson I.R.,
RA Harris D., Asadulghani M., Kurokawa K., Dean P., Kenny B., Quail M.A.,
RA Thurston S., Dougan G., Hayashi T., Parkhill J., Frankel G.;
RT "Complete genome sequence and comparative genome analysis of
RT enteropathogenic Escherichia coli O127:H6 strain E2348/69.";
RL J. Bacteriol. 191:347-354(2009).
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_00098}.
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_00098};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00098};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00098};
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00098}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00098}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MetG type 1 subfamily. {ECO:0000255|HAMAP-Rule:MF_00098}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; FM180568; CAS09808.1; -; Genomic_DNA.
DR RefSeq; WP_001340073.1; NC_011601.1.
DR AlphaFoldDB; B7UFD1; -.
DR SMR; B7UFD1; -.
DR EnsemblBacteria; CAS09808; CAS09808; E2348C_2260.
DR KEGG; ecg:E2348C_2260; -.
DR HOGENOM; CLU_009710_7_0_6; -.
DR OMA; SDMHGTP; -.
DR Proteomes; UP000008205; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
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; 2.20.28.20; -; 1.
DR Gene3D; 2.40.50.140; -; 1.
DR Gene3D; 3.40.50.620; -; 1.
DR HAMAP; MF_00098; Met_tRNA_synth_type1; 1.
DR InterPro; IPR001412; aa-tRNA-synth_I_CS.
DR InterPro; IPR041872; Anticodon_Met.
DR InterPro; IPR004495; Met-tRNA-synth_bsu_C.
DR InterPro; IPR023458; Met-tRNA_ligase_1.
DR InterPro; IPR014758; Met-tRNA_synth.
DR InterPro; IPR015413; Methionyl/Leucyl_tRNA_Synth.
DR InterPro; IPR033911; MetRS_core.
DR InterPro; IPR029038; MetRS_Zn.
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; PTHR45765; PTHR45765; 1.
DR Pfam; PF19303; Anticodon_3; 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 SUPFAM; SSF57770; SSF57770; 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; Metal-binding;
KW Nucleotide-binding; Protein biosynthesis; RNA-binding; tRNA-binding; Zinc.
FT CHAIN 1..677
FT /note="Methionine--tRNA ligase"
FT /id="PRO_1000118731"
FT DOMAIN 575..677
FT /note="tRNA-binding"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT MOTIF 15..25
FT /note="'HIGH' region"
FT MOTIF 333..337
FT /note="'KMSKS' region"
FT BINDING 146
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 149
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 159
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 162
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 336
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
SQ SEQUENCE 677 AA; 76253 MW; 6C7C771D28A83DC9 CRC64;
MTQVAKKILV TCALPYANGS IHLGHMLEHI QADVWVRYQR MRGHEVNFIC ADDAHGTPIM
LKAQQLGITP EQMIGEMSQE HQTDFAGFNI SYDNYHSTHS EENRQLSELI YTRLKENGFI
KNRTISQLYD PEKGMFLPDR FVKGTCPKCK APDQYGDNCE VCGATYSPTE LIEPKSVVSG
ATPVMRDSEH FFFDLPSFSE MLQAWTRSGA LQEQVANKMQ EWFESGLQQW DISRDAPYFG
FEIPNAPGKY FYVWLDAPIG YMGSFKNLCD KRGDSVSFDE YWKKDSTAEL YHFIGKDIVY
FHSLFWPAML EGSNFRKPTN LFVHGYVTVN GAKMSKSRGT FIKASTWLNH FDADSLRYYY
TAKLSSRIDD IDLNLEDFVQ RVNADIVNKV VNLASRNAGF INKRFDGVLA SELADPQLYK
TFTDAAEVIG EAWESREFGK AIREIMALAD LANRYVDEQA PWVVAKQEGR DADLQAICSM
GINLFRVLMT YLKPVLPKLT ERAEAFLNTE LTWDGIQQPL LGHKVNPFKA LYNRIDMKQV
EALVEASKEE VKAAAAPVTG PLADDPIQET ITFDDFAKVD LRVALIENAE FVEGSDKLLR
LTLDLGGEKR NVFSGIRSAY PDPQALIGRH TIMVANLAPR KMRFGISEGM VMAAGPGGKD
IFLLSPDAGA KPGHQVK
