ID A0A1C7GMG7_9FIRM Unreviewed; 658 AA.
AC A0A1C7GMG7;
DT 30-NOV-2016, integrated into UniProtKB/TrEMBL.
DT 30-NOV-2016, sequence version 1.
DT 24-JAN-2024, entry version 34.
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=metG {ECO:0000256|HAMAP-Rule:MF_01228};
GN ORFNames=A4V00_04860 {ECO:0000313|EMBL:ANU53419.1};
OS Hungateiclostridiaceae bacterium KB18.
OC Bacteria; Bacillota; Clostridia; Eubacteriales; Oscillospiraceae.
OX NCBI_TaxID=1834198 {ECO:0000313|EMBL:ANU53419.1, ECO:0000313|Proteomes:UP000092525};
RN [1] {ECO:0000313|Proteomes:UP000092525}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KB18 {ECO:0000313|Proteomes:UP000092525};
RA Uchimura Y., Wyss M., Brugiroux S., Limenitakis J.P., Stecher B.,
RA McCoy K.D., Macpherson A.J.;
RT "Complete Genome Sequences of Twelve Strains of a Stable Defined Moderately
RT Diverse Mouse Microbiota 2 (sDMDMm2).";
RL Submitted (APR-2016) to the EMBL/GenBank/DDBJ databases.
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 -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01228};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-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 2A subfamily. {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; CP015400; ANU53419.1; -; Genomic_DNA.
DR RefSeq; WP_066535359.1; NZ_CP021422.1.
DR AlphaFoldDB; A0A1C7GMG7; -.
DR STRING; 1834198.A4V00_04860; -.
DR GeneID; 83334650; -.
DR KEGG; ruk:A4V00_04860; -.
DR OrthoDB; 9810191at2; -.
DR Proteomes; UP000092525; 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: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; 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 Metal-binding {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}; Reference proteome {ECO:0000313|Proteomes:UP000092525};
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}; Zinc {ECO:0000256|HAMAP-Rule:MF_01228}.
FT DOMAIN 557..658
FT /note="TRNA-binding"
FT /evidence="ECO:0000259|PROSITE:PS50886"
FT MOTIF 14..24
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT MOTIF 301..305
FT /note="'KMSKS' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 129
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 132
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 146
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 149
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
SQ SEQUENCE 658 AA; 74201 MW; 7A2A30C7D6CFCFFF CRC64;
MESKGAYYIT TAIAYTSGKP HIGNVADPVL ADCIARFKRM QGYDVYFQTG TDEHGKKNEQ
KAKAANLSPK EFVDGTSALV KEQFDLMNLS YDHFIRTTDD YHVKEVQKIF KKFYDQGDIY
KSSYEGLYCD ECESFLTESQ LIDGKCPDCG REPRKEQEEA YFFKMSNYTQ RLIDHINSHP
DFIQPVSRRN EMMNNFLLPG LQDLCVTRTS IKWGIPVDFD PKHVIYVWLD ALTNYITGLG
YHCGGESGEL FKKYWPAGLH VIGKDITRFH TIYWPIFLMA LDLPLPKQVF GHPWVLMDGS
KMSKSAGNVM YADDLVDIFD ADAVRYYILK ELPFENDGNI TWDLINERTN SDLANILGNL
VNRTVSMINK YFGGKVEDCK IAAPEDEDLH ACVSACRDKV ADKMERLRTA DALTEIFALF
KRCNKYIDET TPWILAKDPQ KGPRLSTVLY NLVDSIATGA TLLFPFMPET SVAILRQLGT
VPLPWELLDK TNNYPANGGK VTDTPSILFE RQEMEDIIKR MEEKYANSEP APAEDDMQKK
AELHKELQGI AKIGIEDFAA VDLRVAKIID CQPVKRAKKL LKLSLDDGTG VVRTVASGIA
PWYKPEDLTG RHIIVVSNLK PATLCGVESQ GMILAADSGE NEVKVIFADN IPAGSKVR
//
