SYM_STRPN
ID SYM_STRPN Reviewed; 665 AA.
AC P67580; Q97RL6;
DT 11-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT 11-OCT-2004, sequence version 1.
DT 03-AUG-2022, entry version 109.
DE RecName: Full=Methionine--tRNA ligase;
DE EC=6.1.1.10;
DE AltName: Full=Methionyl-tRNA synthetase;
DE Short=MetRS;
GN Name=metG; Synonyms=metS; OrderedLocusNames=SP_0788;
OS Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=170187;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-334 / TIGR4;
RX PubMed=11463916; DOI=10.1126/science.1061217;
RA Tettelin H., Nelson K.E., Paulsen I.T., Eisen J.A., Read T.D.,
RA Peterson S.N., Heidelberg J.F., DeBoy R.T., Haft D.H., Dodson R.J.,
RA Durkin A.S., Gwinn M.L., Kolonay J.F., Nelson W.C., Peterson J.D.,
RA Umayam L.A., White O., Salzberg S.L., Lewis M.R., Radune D.,
RA Holtzapple E.K., Khouri H.M., Wolf A.M., Utterback T.R., Hansen C.L.,
RA McDonald L.A., Feldblyum T.V., Angiuoli S.V., Dickinson T., Hickey E.K.,
RA Holt I.E., Loftus B.J., Yang F., Smith H.O., Venter J.C., Dougherty B.A.,
RA Morrison D.A., Hollingshead S.K., Fraser C.M.;
RT "Complete genome sequence of a virulent isolate of Streptococcus
RT pneumoniae.";
RL Science 293:498-506(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: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 -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MetG type 2B subfamily. {ECO:0000305}.
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DR EMBL; AE005672; AAK74925.1; -; Genomic_DNA.
DR PIR; D95091; D95091.
DR RefSeq; WP_001291370.1; NZ_AKVY01000001.1.
DR AlphaFoldDB; P67580; -.
DR SMR; P67580; -.
DR STRING; 170187.SP_0788; -.
DR PRIDE; P67580; -.
DR EnsemblBacteria; AAK74925; AAK74925; SP_0788.
DR GeneID; 60234114; -.
DR KEGG; spn:SP_0788; -.
DR eggNOG; COG0073; Bacteria.
DR eggNOG; COG0143; Bacteria.
DR OMA; SDMHGTP; -.
DR PhylomeDB; P67580; -.
DR BioCyc; SPNE170187:G1FZB-805-MON; -.
DR Proteomes; UP000000585; 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-KW.
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; 2.40.50.140; -; 1.
DR Gene3D; 3.40.50.620; -; 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 PANTHER; PTHR43326; PTHR43326; 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; SSF47323; 1.
DR SUPFAM; SSF50249; SSF50249; 1.
DR TIGRFAMs; TIGR00398; metG; 1.
DR TIGRFAMs; TIGR00399; metG_C_term; 1.
DR PROSITE; PS50886; TRBD; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase;
KW Nucleotide-binding; Protein biosynthesis; RNA-binding; tRNA-binding.
FT CHAIN 1..665
FT /note="Methionine--tRNA ligase"
FT /id="PRO_0000139250"
FT DOMAIN 562..665
FT /note="tRNA-binding"
FT MOTIF 13..23
FT /note="'HIGH' region"
FT MOTIF 309..313
FT /note="'KMSKS' region"
FT BINDING 312
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000250"
SQ SEQUENCE 665 AA; 75651 MW; 7FAB60A5CC49A56D 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
EKEWNPDEVE LKLNKDEIKF EDFDKVEIRV AEVKEVSKVE GSDKLLQFRL DAGDGEDRQI
LSGIAKYYPN EQELVGKKVQ IVANLKPRKM MKKYVSQGMI LSAEHDGKLT LLTVDPAVPN
GSVIG