ID   SYM_CHLMU               Reviewed;         550 AA.
AC   Q9PL07;
DT   27-APR-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 131.
DE   RecName: Full=Methionine--tRNA ligase;
DE            EC=6.1.1.10;
DE   AltName: Full=Methionyl-tRNA synthetase;
DE            Short=MetRS;
GN   Name=metG; OrderedLocusNames=TC_0301;
OS   Chlamydia muridarum (strain MoPn / Nigg).
OC   Bacteria; Chlamydiae; Chlamydiales; Chlamydiaceae;
OC   Chlamydia/Chlamydophila group; Chlamydia.
OX   NCBI_TaxID=243161;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MoPn / Nigg;
RX   PubMed=10684935; DOI=10.1093/nar/28.6.1397;
RA   Read T.D., Brunham R.C., Shen C., Gill S.R., Heidelberg J.F., White O.,
RA   Hickey E.K., Peterson J.D., Utterback T.R., Berry K.J., Bass S.,
RA   Linher K.D., Weidman J.F., Khouri H.M., Craven B., Bowman C., Dodson R.J.,
RA   Gwinn M.L., Nelson W.C., DeBoy R.T., Kolonay J.F., McClarty G.,
RA   Salzberg S.L., Eisen J.A., Fraser C.M.;
RT   "Genome sequences of Chlamydia trachomatis MoPn and Chlamydia pneumoniae
RT   AR39.";
RL   Nucleic Acids Res. 28:1397-1406(2000).
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:0000250}.
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   -!- COFACTOR:
CC       Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000250};
CC       Note=Binds 1 zinc ion per subunit. {ECO:0000250};
CC   -!- SUBUNIT: Monomer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC       MetG type 1 subfamily. {ECO:0000305}.
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DR   EMBL; AE002160; AAF39166.1; -; Genomic_DNA.
DR   PIR; H81718; H81718.
DR   RefSeq; WP_010904306.1; NC_002620.2.
DR   AlphaFoldDB; Q9PL07; -.
DR   SMR; Q9PL07; -.
DR   STRING; 243161.TC_0301; -.
DR   EnsemblBacteria; AAF39166; AAF39166; TC_0301.
DR   GeneID; 1246471; -.
DR   KEGG; cmu:TC_0301; -.
DR   PATRIC; fig|243161.6.peg.328; -.
DR   eggNOG; COG0143; Bacteria.
DR   HOGENOM; CLU_009710_1_2_0; -.
DR   OMA; SDMHGTP; -.
DR   OrthoDB; 761140at2; -.
DR   Proteomes; UP000000800; 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:0006431; P:methionyl-tRNA aminoacylation; IEA:UniProtKB-UniRule.
DR   CDD; cd07957; Anticodon_Ia_Met; 1.
DR   CDD; cd00814; MetRS_core; 1.
DR   Gene3D; 2.20.28.20; -; 1.
DR   Gene3D; 3.40.50.620; -; 1.
DR   HAMAP; MF_00098; Met_tRNA_synth_type1; 1.
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   PANTHER; PTHR45765; PTHR45765; 1.
DR   Pfam; PF19303; Anticodon_3; 1.
DR   Pfam; PF09334; tRNA-synt_1g; 1.
DR   PRINTS; PR01041; TRNASYNTHMET.
DR   SUPFAM; SSF47323; SSF47323; 1.
DR   SUPFAM; SSF57770; SSF57770; 1.
DR   TIGRFAMs; TIGR00398; metG; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase; Metal-binding;
KW   Nucleotide-binding; Protein biosynthesis; Zinc.
FT   CHAIN           1..550
FT                   /note="Methionine--tRNA ligase"
FT                   /id="PRO_0000139120"
FT   MOTIF           13..23
FT                   /note="'HIGH' region"
FT   MOTIF           331..335
FT                   /note="'KMSKS' region"
FT   BINDING         145
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         148
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         158
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         161
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         334
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   550 AA;  62815 MW;  93D0DE14CF23C53C CRC64;
     MASSRILITS ALPYANGPLH FGHITGAYLP ADVYARFQRL LGKEVLYICG SDEYGIAITL
     NAELAGMGYQ EYVDMYHKLH KDTLKKLGIS VDFFSRTTNP HHPAIVQDFY RNLQDKGLME
     NLVTDQLYSE EEEKFLADRY VVGTCPKCGF DRARGDECQQ CGADYEARDL KDPRSKLTGK
     ALSLRETEHA YFHLERMKEE LLTFVEGIYL RPHMRNFVID YIKNLRPRAV TRDLSWGVPV
     PGLENKVFYV WFDAPIGYIS GTMDWAASIG DPDAWKKFWL DDKVTYTQFV GKDNTSFHSV
     IFPAMEMGQS LPYKKVDALV TSEFLLLEGF QFSKSEGNII DMDAFLETYS LDKLRYVLAA
     IAPETSDSEF AFQEFKTRCN SDLVGKFGNF VNRVVAFAAK NGCTELSHPQ LEQQDLEFIA
     EAQKLAKEAA DHYQQYSLRK ACSTIMELAA LGNGYFNDQA PWKLAKEDLW NRVRSILFCA
     CYCQKLLALI SYPIMPETAW TIWGMIAPGS LDLRSQDPER LQSIWTEAFF DYSEESFSLK
     EPELLFTVVE