ID D6JDQ7_ECOLX Unreviewed; 616 AA.
AC D6JDQ7;
DT 13-JUL-2010, integrated into UniProtKB/TrEMBL.
DT 13-JUL-2010, sequence version 1.
DT 24-JAN-2024, entry version 66.
DE RecName: Full=Methionine--tRNA ligase {ECO:0000256|ARBA:ARBA00018753};
DE EC=6.1.1.10 {ECO:0000256|ARBA:ARBA00012838};
DE AltName: Full=Methionyl-tRNA synthetase {ECO:0000256|ARBA:ARBA00030904};
DE Flags: Fragment;
GN ORFNames=ECEG_04301 {ECO:0000313|EMBL:EFF11906.2};
OS Escherichia coli B354.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=550677 {ECO:0000313|EMBL:EFF11906.2, ECO:0000313|Proteomes:UP000004683};
RN [1] {ECO:0000313|EMBL:EFF11906.2, ECO:0000313|Proteomes:UP000004683}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B354 {ECO:0000313|EMBL:EFF11906.2,
RC ECO:0000313|Proteomes:UP000004683};
RG The Broad Institute Genome Sequencing Platform;
RG The Broad Institute Genome Sequencing Center for Infectious Disease;
RA Feldgarden M., Gordon D.M., Johnson J.R., Johnston B.D., Young S., Zeng Q.,
RA Koehrsen M., Alvarado L., Berlin A.M., Borenstein D., Chapman S.B.,
RA Chen Z., Engels R., Freedman E., Gellesch M., Goldberg J., Griggs A.,
RA Gujja S., Heilman E.R., Heiman D.I., Hepburn T.A., Howarth C., Jen D.,
RA Larson L., Lewis B., Mehta T., Park D., Pearson M., Richards J.,
RA Roberts A., Saif S., Shea T.D., Shenoy N., Sisk P., Stolte C., Sykes S.N.,
RA Walk T., White J., Yandava C., Haas B., Henn M.R., Nusbaum C., Birren B.;
RT "The Genome Sequence of Escherichia coli B354.";
RL Submitted (JAN-2010) to the EMBL/GenBank/DDBJ databases.
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:0000256|ARBA:ARBA00003314}.
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;
CC Evidence={ECO:0000256|ARBA:ARBA00001234};
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MetG type 1 subfamily. {ECO:0000256|ARBA:ARBA00008258}.
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DR EMBL; GG749333; EFF11906.2; -; Genomic_DNA.
DR AlphaFoldDB; D6JDQ7; -.
DR Proteomes; UP000004683; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-KW.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0004825; F:methionine-tRNA ligase activity; IEA:UniProtKB-EC.
DR GO; GO:0006431; P:methionyl-tRNA aminoacylation; IEA:InterPro.
DR CDD; cd07957; Anticodon_Ia_Met; 1.
DR CDD; cd00814; MetRS_core; 1.
DR Gene3D; 3.40.50.620; HUPs; 1.
DR Gene3D; 2.20.28.20; Methionyl-tRNA synthetase, Zn-domain; 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; 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; IPR014729; Rossmann-like_a/b/a_fold.
DR InterPro; IPR009080; tRNAsynth_Ia_anticodon-bd.
DR NCBIfam; TIGR00398; metG; 1.
DR PANTHER; PTHR45765; METHIONINE--TRNA LIGASE; 1.
DR PANTHER; PTHR45765:SF1; METHIONINE--TRNA LIGASE, CYTOPLASMIC; 1.
DR Pfam; PF19303; Anticodon_3; 1.
DR Pfam; PF09334; tRNA-synt_1g; 1.
DR PRINTS; PR01041; TRNASYNTHMET.
DR SUPFAM; SSF47323; Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases; 1.
DR SUPFAM; SSF57770; Methionyl-tRNA synthetase (MetRS), Zn-domain; 1.
DR SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase {ECO:0000256|ARBA:ARBA00023146,
KW ECO:0000256|RuleBase:RU363039};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|RuleBase:RU363039};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|RuleBase:RU363039};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741,
KW ECO:0000256|RuleBase:RU363039};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917,
KW ECO:0000256|RuleBase:RU363039}; Zinc {ECO:0000256|ARBA:ARBA00022833}.
FT DOMAIN 30..419
FT /note="Methionyl/Leucyl tRNA synthetase"
FT /evidence="ECO:0000259|Pfam:PF09334"
FT DOMAIN 438..563
FT /note="Methionyl-tRNA synthetase anticodon-binding"
FT /evidence="ECO:0000259|Pfam:PF19303"
FT NON_TER 616
FT /evidence="ECO:0000313|EMBL:EFF11906.2"
SQ SEQUENCE 616 AA; 70118 MW; FDE45769B378E271 CRC64;
MADIRPFCYY QAPFHYKEVM PTMTQVAKKI LVTCALPYAN GSIHLGHMLE HIQADVWVRY
QRMRGHEVNF ICADDAHGTP IMLKAQQLGI TPEQMIGEMS QEHQTDFAGF NISYDNYHST
HSEENRQLSE LIYTRLKENG FIKNRTISQL YDPEKGMFLP DRFVKGTCPK CKAPDQYGDN
CEVCGATYSP TELIEPKSVV SGATPVMRDS EHFFFDLPSF SEMLQAWTRS GALQEQVANK
MQEWFESGLQ QWDISRDAPY FGFEIPNAPG KYFYVWLDAP IGYMGSFKNL CDKRGDSVSF
DEYWKKDSTA ELYHFIGKDI VYFHSLFWPA MLEGSNFRKP TNLFVHGYVT VNGAKMSKSR
GTFIKASTWL NHFDADSLRY YYTAKLSSRI DDIDLNLEDF VQRVNADIVN KVVNLASRNA
GFINKRFDGV LASELADPQL YKTFTDAAEV IGEAWESREF GKAIREIMAL ADLANRYVDE
QAPWVVAKQE GRDADLQAIC SMGINLFRVL MTYLKPVLPK LTERAEAFLN TELTWDGIQQ
PLLGHKVNPF KALYNRIDMK QVEALVEASK EEVKAAAAPV TGPLADDPIQ ETITFDDFAK
VDLRVALIEN AEFVEG
//
