ID A0A1J5GD98_9BACT Unreviewed; 639 AA.
AC A0A1J5GD98;
DT 15-FEB-2017, integrated into UniProtKB/TrEMBL.
DT 15-FEB-2017, sequence version 1.
DT 24-JAN-2024, entry version 29.
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=AUK42_04260 {ECO:0000313|EMBL:OIP70259.1};
OS Candidatus Atribacteria bacterium CG2_30_33_13.
OC Bacteria; Atribacterota.
OX NCBI_TaxID=1805029 {ECO:0000313|EMBL:OIP70259.1, ECO:0000313|Proteomes:UP000182763};
RN [1] {ECO:0000313|EMBL:OIP70259.1, ECO:0000313|Proteomes:UP000182763}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CG2_30_33_13 {ECO:0000313|EMBL:OIP70259.1};
RX PubMed=27112493;
RA Probst A.J., Castelle C.J., Singh A., Brown C.T., Anantharaman K.,
RA Sharon I., Hug L.A., Burstein D., Emerson J.B., Thomas B.C., Banfield J.F.;
RT "Genomic resolution of a cold subsurface aquifer community provides
RT metabolic insights for novel microbes adapted to high CO concentrations.";
RL Environ. Microbiol. 0:0-0(2016).
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OIP70259.1}.
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DR EMBL; MNYY01000086; OIP70259.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1J5GD98; -.
DR STRING; 1805029.AUK42_04260; -.
DR Proteomes; UP000182763; Unassembled WGS sequence.
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; IPR032678; tRNA-synt_1_cat_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; PF01406; tRNA-synt_1e; 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|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW 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};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_01228}.
FT DOMAIN 539..639
FT /note="TRNA-binding"
FT /evidence="ECO:0000259|PROSITE:PS50886"
FT MOTIF 18..28
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT MOTIF 303..307
FT /note="'KMSKS' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 133
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 136
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 150
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 153
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
SQ SEQUENCE 639 AA; 73987 MW; 7879F2D13BAF0388 CRC64;
MKENNKSKKT FYITTPIYYV NDVPHIGHAY TTIAADVIAR YKRLSGYEVL FSTGTDEHGQ
KIVSSAEKAN LTPLELVDKV VLKFKNLWPL LNIKYDEFIR TTEERHIKVV QEIFNKLYQK
GDIYKGEYEG WYCVPCETFW TETQLTDKTC PTCGRKIEKI KEESYFFKIS KYQDQLLSYI
EKHPQCIQPE VRKNETISFI KSGLKDQSVT RTKKSLKWGI NVPFDDNHVI YVWYDALLNY
ITVAGYNTDK EKFEKYWPSA IHLVGKDILR FHTVIWFTML MAAGIEPPQM VFAHGWWTIE
GEKMSKSKGN VVDPYEMIEE YGADAFRYFL MREVSFGQDG NFSKDLLIKR VNYDLANDLG
NLVSRTIAMI KQFFNNKIPE AVTKKEVYDI ELEELALKTI KEYNTQMNNL SINLALETIW
QFIRRTNKYI DQTAPWVLGR ENSPKGRLSN ILYNVAESIR LITILIYPFM PGKAKEVWEQ
LGMETDLDKL RIDRDAHWGK LKPGILVKPG EVIFPRIDLK EKEKEEVKEN IVNLISYEEF
KKIDLRVGKV VSAEEVSGTD RLLKLKINLG KEIRTIVAGI RKYYSVEKIL GKKIIIVCNL
QPIKLKGIES QGMLLAAVDN NGLALLTVDK EIAEGSKVQ
//