ID   SYM_MYCLE               Reviewed;         537 AA.
AC   Q9CD55;
DT   08-NOV-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   03-AUG-2022, entry version 111.
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=ML0238;
OS   Mycobacterium leprae (strain TN).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium.
OX   NCBI_TaxID=272631;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TN;
RX   PubMed=11234002; DOI=10.1038/35059006;
RA   Cole S.T., Eiglmeier K., Parkhill J., James K.D., Thomson N.R.,
RA   Wheeler P.R., Honore N., Garnier T., Churcher C.M., Harris D.E.,
RA   Mungall K.L., Basham D., Brown D., Chillingworth T., Connor R.,
RA   Davies R.M., Devlin K., Duthoy S., Feltwell T., Fraser A., Hamlin N.,
RA   Holroyd S., Hornsby T., Jagels K., Lacroix C., Maclean J., Moule S.,
RA   Murphy L.D., Oliver K., Quail M.A., Rajandream M.A., Rutherford K.M.,
RA   Rutter S., Seeger K., Simon S., Simmonds M., Skelton J., Squares R.,
RA   Squares S., Stevens K., Taylor K., Whitehead S., Woodward J.R.,
RA   Barrell B.G.;
RT   "Massive gene decay in the leprosy bacillus.";
RL   Nature 409:1007-1011(2001).
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: Monomer. {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; AL583917; CAC29746.1; -; Genomic_DNA.
DR   PIR; F86938; F86938.
DR   RefSeq; NP_301297.1; NC_002677.1.
DR   RefSeq; WP_010907621.1; NC_002677.1.
DR   AlphaFoldDB; Q9CD55; -.
DR   SMR; Q9CD55; -.
DR   STRING; 272631.ML0238; -.
DR   EnsemblBacteria; CAC29746; CAC29746; CAC29746.
DR   KEGG; mle:ML0238; -.
DR   PATRIC; fig|272631.5.peg.372; -.
DR   Leproma; ML0238; -.
DR   eggNOG; COG0143; Bacteria.
DR   HOGENOM; CLU_009710_9_4_11; -.
DR   OMA; SDMHGTP; -.
DR   Proteomes; UP000000806; 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:0006431; P:methionyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd07957; Anticodon_Ia_Met; 1.
DR   CDD; cd00814; MetRS_core; 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; 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; IPR014729; Rossmann-like_a/b/a_fold.
DR   InterPro; IPR009080; tRNAsynth_Ia_anticodon-bd.
DR   PANTHER; PTHR43326; PTHR43326; 1.
DR   Pfam; PF19303; Anticodon_3; 1.
DR   Pfam; PF09334; tRNA-synt_1g; 1.
DR   PRINTS; PR01041; TRNASYNTHMET.
DR   SUPFAM; SSF47323; SSF47323; 1.
DR   TIGRFAMs; TIGR00398; metG; 1.
DR   PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase;
KW   Nucleotide-binding; Protein biosynthesis; Reference proteome.
FT   CHAIN           1..537
FT                   /note="Methionine--tRNA ligase"
FT                   /id="PRO_0000139232"
FT   REGION          503..537
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOTIF           11..21
FT                   /note="'HIGH' region"
FT   MOTIF           301..305
FT                   /note="'KMSKS' region"
FT   BINDING         304
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01228"
SQ   SEQUENCE   537 AA;  60448 MW;  D1A11FA6C86E26E0 CRC64;
     MRPYYITTAI AYPNAAPHIG HAYEYIATDA IARFKRLDGL DVRFLTGTDE HGLKVAQAAE
     AAGVPTAQLA RRNSGVFQRM QEALHISFDR FIRTTDADHY KAAKEIWRRM DAAGDIYLGT
     YSGWYSVRDE RFFVDSETKL LDNGIRVAVE TGTLVTWTEK EQTYFFRLSA YVDKLLAHYD
     ANPDFIGPEV RRNEVISFVS GGLEDFSISR TSFDWGVQVP EHPDHVMYVW IDALTNYLTG
     AGFPDTDSEL FGRYWPANLH MIGKDIIRFH AVYWPAFLMS AGIELPRRIF AHGFLHNHGE
     KMSKSVGNIV DPMALVQTFG VDQVRYFLLR EIPFGQDGNY SEEAIITRMN TDLANEFGNL
     AQRSLSMVAK NLGGVVPEPS EFTSADTALL TTADGLLERV RGNFDGQAMN LALEAIWLML
     GEANKYFSSQ QPWILRKSES EADQARFRTV LYTTCEVVRI AALLVQPVMP ESAGKMLDLL
     GQEEDQRAFT AVSVRLAPGT VLPPPTGVFP RYQPSEIEGA DPVKSSSKRR EHNKRRE