ID   C1C6D0_STRP7            Unreviewed;       665 AA.
AC   C1C6D0;
DT   26-MAY-2009, integrated into UniProtKB/TrEMBL.
DT   26-MAY-2009, sequence version 1.
DT   27-MAR-2024, entry version 103.
DE   RecName: Full=Methionine--tRNA ligase {ECO:0000256|HAMAP-Rule:MF_01228};
DE            EC=6.1.1.10 {ECO:0000256|HAMAP-Rule:MF_01228};
DE   AltName: Full=Methionyl-tRNA synthetase {ECO:0000256|HAMAP-Rule:MF_01228};
DE            Short=MetRS {ECO:0000256|HAMAP-Rule:MF_01228};
GN   Name=metG1 {ECO:0000313|EMBL:ACO16256.1};
GN   Synonyms=metG {ECO:0000256|HAMAP-Rule:MF_01228};
GN   OrderedLocusNames=SP70585_0831 {ECO:0000313|EMBL:ACO16256.1};
OS   Streptococcus pneumoniae (strain 70585).
OC   Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=488221 {ECO:0000313|EMBL:ACO16256.1, ECO:0000313|Proteomes:UP000002211};
RN   [1] {ECO:0000313|Proteomes:UP000002211}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=70585 {ECO:0000313|Proteomes:UP000002211};
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:0000256|ARBA:ARBA00003314,
CC       ECO:0000256|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;
CC         Evidence={ECO:0000256|ARBA:ARBA00001234, ECO:0000256|HAMAP-
CC         Rule:MF_01228};
CC   -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738, ECO:0000256|HAMAP-
CC       Rule:MF_01228}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01228}.
CC   -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC       MetG type 2B subfamily. {ECO:0000256|ARBA:ARBA00005328,
CC       ECO:0000256|HAMAP-Rule:MF_01228}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_01228}.
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DR   EMBL; CP000918; ACO16256.1; -; Genomic_DNA.
DR   RefSeq; WP_001291366.1; NC_012468.1.
DR   AlphaFoldDB; C1C6D0; -.
DR   KEGG; snm:SP70585_0831; -.
DR   HOGENOM; CLU_009710_9_4_9; -.
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:0004825; F:methionine-tRNA ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0000049; F:tRNA binding; 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   CDD; cd02800; tRNA_bind_EcMetRS_like; 1.
DR   Gene3D; 2.170.220.10; -; 1.
DR   Gene3D; 3.40.50.620; HUPs; 1.
DR   Gene3D; 2.40.50.140; Nucleic acid-binding proteins; 1.
DR   HAMAP; MF_01228; Met_tRNA_synth_type2; 1.
DR   InterPro; IPR041872; Anticodon_Met.
DR   InterPro; IPR004495; Met-tRNA-synth_bsu_C.
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; 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   NCBIfam; TIGR00398; metG; 1.
DR   NCBIfam; TIGR00399; metG_C_term; 1.
DR   PANTHER; PTHR43326:SF1; METHIONINE--TRNA LIGASE, MITOCHONDRIAL; 1.
DR   PANTHER; PTHR43326; METHIONYL-TRNA SYNTHETASE; 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; Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases; 1.
DR   SUPFAM; SSF50249; Nucleic acid-binding proteins; 1.
DR   SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR   PROSITE; PS51257; PROKAR_LIPOPROTEIN; 1.
DR   PROSITE; PS50886; TRBD; 1.
PE   3: Inferred from homology;
KW   Aminoacyl-tRNA synthetase {ECO:0000256|ARBA:ARBA00023146,
KW   ECO:0000256|HAMAP-Rule:MF_01228};
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW   Rule:MF_01228};
KW   Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_01228};
KW   Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_01228};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW   Rule:MF_01228};
KW   Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917, ECO:0000256|HAMAP-
KW   Rule:MF_01228};
KW   RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW   Rule:MF_01228};
KW   tRNA-binding {ECO:0000256|ARBA:ARBA00022555, ECO:0000256|HAMAP-
KW   Rule:MF_01228}.
FT   DOMAIN          562..665
FT                   /note="TRNA-binding"
FT                   /evidence="ECO:0000259|PROSITE:PS50886"
FT   MOTIF           13..23
FT                   /note="'HIGH' region"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT   MOTIF           309..313
FT                   /note="'KMSKS' region"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
SQ   SEQUENCE   665 AA;  75593 MW;  DFAB60A1CC4AB91B CRC64;
     MSEKNFYITT PIYYPSGKLH IGSAYTTIAC DVLARYKRLM GYDVFYLTGL DEHGQKIQQK
     AEEAGITPQA YVDGMAVGVK ELWQLLDISY DKFIRTTDDY HEKVVAQVFE RLLAQDDIYL
     GEYSGWYSVS DEEFFTESQL AEVFRDEAGN VTGGIAPSGH EVEWVSEESY FLRLSKYQDR
     LVEFFKAHPE FITPDGRLNE MLRNFIEPGL EDLAVSRTTF TWGVPVPSNP KHVVYVWIDA
     LLNYATALGY AQDEHGNFDK FWNGTVFHMV GKDILRFHSI YWPILLMMLD VKLPDRLIAH
     GWFVMKDGKM SKSKGNVVYP EMLVERYGLD PLRYYLMRNL PVGSDGTFTP EDYVGRINYE
     LANDLGNLLN RTVSMINKYF DGQIPAYVEG VTEFDHVLAE VAEQSIADFH THMEAVDYPR
     ALEAVWTLIS RTNKYIDETA PWVLAKDEAL RDQLASVMSH LAASIRVVAH LIEPFMMETS
     RAVLTQLGLE EVSSLENLSL ADFPADVTVV AKGTPIFPRL NMEEEIAYIK EQMEGNKPAV
     EKEWNPDAVE LKLNKDEIKF EDFDKVEIRV AEVKEVSKVE GSDKLLQFRL DAGDGEDRQI
     LSGIAKYYPN EQELVGKKVQ IVANLKPRKM MKKYVSQGMI LSAEHDGKLT LLTVDPAVPN
     GSVIG
//