SYM_STRP7
ID SYM_STRP7 Reviewed; 545 AA.
AC C1C727;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 26-MAY-2009, sequence version 1.
DT 03-AUG-2022, entry version 76.
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};
GN OrderedLocusNames=SP70585_1093;
OS Streptococcus pneumoniae (strain 70585).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=488221;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=70585;
RX PubMed=21034474; DOI=10.1186/gb-2010-11-10-r107;
RA Donati C., Hiller N.L., Tettelin H., Muzzi A., Croucher N.J.,
RA Angiuoli S.V., Oggioni M., Dunning Hotopp J.C., Hu F.Z., Riley D.R.,
RA Covacci A., Mitchell T.J., Bentley S.D., Kilian M., Ehrlich G.D.,
RA Rappuoli R., Moxon E.R., Masignani V.;
RT "Structure and dynamics of the pan-genome of Streptococcus pneumoniae and
RT closely related species.";
RL Genome Biol. 11:R107.1-R107.19(2010).
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: Monomer. {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; CP000918; ACO17449.1; -; Genomic_DNA.
DR RefSeq; WP_000021543.1; NC_012468.1.
DR AlphaFoldDB; C1C727; -.
DR SMR; C1C727; -.
DR EnsemblBacteria; ACO17449; ACO17449; SP70585_1093.
DR KEGG; snm:SP70585_1093; -.
DR HOGENOM; CLU_009710_1_2_9; -.
DR OMA; YMRMAGH; -.
DR Proteomes; UP000002211; 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; 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 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.
DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 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..545
FT /note="Methionine--tRNA ligase"
FT /id="PRO_1000118740"
FT MOTIF 10..20
FT /note="'HIGH' region"
FT MOTIF 329..333
FT /note="'KMSKS' region"
FT BINDING 141
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 144
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 153
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 156
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 332
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
SQ SEQUENCE 545 AA; 63688 MW; C8F43EE0D196EC03 CRC64;
MSIFIGGAWP YANGSLHIGH AAALLPGDIL ARYYRQKGEE VLYVSGSDCN GTPISIRAKK
ENKSVKEIAD FYHKEFKETF EKLGFTYDLY SRTDSPLHHE IVQELFLQLY EKKFLYTKKI
KQLYCTFDNQ FLPDRFVEGK CPNCGTHSRG DQCDNCSAIL DPIDLVDKRC SICSNEPEVR
ETEHFYYVFS EFQNLLETYL NDAEETVRWR KNAINLTKRY LREGLPDRAV TRDLPNGIPV
PIDGFRDKKI YVWFEAVAGY YTASVDWAQK LQNNITDFWN NRTKSYYVHG KDNIPFHTII
WPAILSGLEI EPLPEYIISS EYLTLENKKI STSNNWAIWL NDIIKKYDAD SIRYFLTINA
PEMKDANFSW REFIYSHNSE LLGSYGNFIN RTLKFIEKYF ESEIPTKYLE GEILYNLKEL
YTTVGNLVES GHMKQALEEI FEYIRSANKF YDDMKPWALR ESDIEKCKEV LATCVIIILN
LGQMLNPFIP FSGKKIEDMF KTKLNTWNYI SNLPNKLSDV SMLFDRIDLK KIDEEVLELQ
QTSSR
