ID   SYM_SHEON               Reviewed;         676 AA.
AC   Q8EDX2;
DT   05-JUL-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 123.
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=SO_2619;
OS   Shewanella oneidensis (strain MR-1).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC   Shewanellaceae; Shewanella.
OX   NCBI_TaxID=211586;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MR-1;
RX   PubMed=12368813; DOI=10.1038/nbt749;
RA   Heidelberg J.F., Paulsen I.T., Nelson K.E., Gaidos E.J., Nelson W.C.,
RA   Read T.D., Eisen J.A., Seshadri R., Ward N.L., Methe B.A., Clayton R.A.,
RA   Meyer T., Tsapin A., Scott J., Beanan M.J., Brinkac L.M., Daugherty S.C.,
RA   DeBoy R.T., Dodson R.J., Durkin A.S., Haft D.H., Kolonay J.F., Madupu R.,
RA   Peterson J.D., Umayam L.A., White O., Wolf A.M., Vamathevan J.J.,
RA   Weidman J.F., Impraim M., Lee K., Berry K.J., Lee C., Mueller J.,
RA   Khouri H.M., Gill J., Utterback T.R., McDonald L.A., Feldblyum T.V.,
RA   Smith H.O., Venter J.C., Nealson K.H., Fraser C.M.;
RT   "Genome sequence of the dissimilatory metal ion-reducing bacterium
RT   Shewanella oneidensis.";
RL   Nat. Biotechnol. 20:1118-1123(2002).
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}.
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DR   EMBL; AE014299; AAN55648.1; -; Genomic_DNA.
DR   RefSeq; NP_718204.1; NC_004347.2.
DR   RefSeq; WP_011072568.1; NZ_CP053946.1.
DR   AlphaFoldDB; Q8EDX2; -.
DR   SMR; Q8EDX2; -.
DR   STRING; 211586.SO_2619; -.
DR   PaxDb; Q8EDX2; -.
DR   KEGG; son:SO_2619; -.
DR   PATRIC; fig|211586.12.peg.2522; -.
DR   eggNOG; COG0073; Bacteria.
DR   eggNOG; COG0143; Bacteria.
DR   HOGENOM; CLU_009710_7_0_6; -.
DR   OMA; SDMHGTP; -.
DR   OrthoDB; 761140at2; -.
DR   PhylomeDB; Q8EDX2; -.
DR   BioCyc; SONE211586:G1GMP-2405-MON; -.
DR   Proteomes; UP000008186; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
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; IBA:GO_Central.
DR   GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0006431; P:methionyl-tRNA aminoacylation; IBA:GO_Central.
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; Reference proteome; RNA-binding;
KW   tRNA-binding; Zinc.
FT   CHAIN           1..676
FT                   /note="Methionine--tRNA ligase"
FT                   /id="PRO_0000139163"
FT   DOMAIN          575..676
FT                   /note="tRNA-binding"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT   MOTIF           15..25
FT                   /note="'HIGH' region"
FT   MOTIF           332..336
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         335
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
SQ   SEQUENCE   676 AA;  76287 MW;  2A0C3FB775E52040 CRC64;
     MATSQRKILV TSALPYANGP IHLGHMLEYI QTDIWSRYQK LRGHECHYIC ADDAHGTPIM
     LKAQQLGMAP EEMIAQVNKE HQQDFADFNI AFDNYHSTHS EENRVLASDI YLKLRANGYI
     KSKSISQLFD PEQSMFLPDR FVKGTCPKCK SPDQYGDNCD ACGATYSPTE LINPKSAVSG
     ATPVMKDTEH FFFDLPAFED MLKEWTRSGA LQTEMANKLD EWFEQGLQQW DITRDAPYFG
     FEIPDAPGKY FYVWLDAPIG YMGSFKNLCD KRPELSFDEF WAKDSKAEVY HFIGKDIVYF
     HSLFWPAMLY GSGYRQPNSV YAHGYVTVNG AKMSKSKGTF IKARTYLDHL DPEYLRYYYA
     AKLSSRIDDL DLNLEDFAQR VNSDLVGKLV NLASRTAGFI TKRFDGKLAK ITDTTLTEVF
     LAKQEQIAEF YETREYGKAM REIMALADIA NGFVADAAPW QMVKHDDQQE AAHQVCSNAL
     NLFRILVTYL KPVLPRLAQD VEAFFQQTLT WDGLGQDMAG HEIAPFKAMM QRVELDKVNA
     MVADSKENLQ ATTEPEAPKG PLATDPISDT INYEDFAKID LRIARIVKAE HVAEADKLLK
     LQLDIGGETR QVFAGIKSAY SPEDLEGKLT VMVANLAPRK MRFGMSEGMV LAAGPGGSDL
     WILEPHEGAQ PGMRVK