ID J3Z5T4_9ENTR Unreviewed; 549 AA.
AC J3Z5T4;
DT 31-OCT-2012, integrated into UniProtKB/TrEMBL.
DT 31-OCT-2012, sequence version 1.
DT 24-JAN-2024, entry version 62.
DE RecName: Full=Methionine--tRNA ligase {ECO:0000256|HAMAP-Rule:MF_00098};
DE EC=6.1.1.10 {ECO:0000256|HAMAP-Rule:MF_00098};
DE AltName: Full=Methionyl-tRNA synthetase {ECO:0000256|HAMAP-Rule:MF_00098};
DE Short=MetRS {ECO:0000256|HAMAP-Rule:MF_00098};
DE Flags: Precursor;
GN Name=metG {ECO:0000256|HAMAP-Rule:MF_00098};
GN ORFNames=A35E_00425 {ECO:0000313|EMBL:AFP85719.1};
OS secondary endosymbiont of Heteropsylla cubana.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; aphid secondary symbionts.
OX NCBI_TaxID=134287 {ECO:0000313|EMBL:AFP85719.1, ECO:0000313|Proteomes:UP000003937};
RN [1] {ECO:0000313|EMBL:AFP85719.1, ECO:0000313|Proteomes:UP000003937}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Hcub_S {ECO:0000313|EMBL:AFP85719.1};
RX PubMed=22821013; DOI=10.1093/molbev/mss180;
RA Sloan D.B., Moran N.A.;
RT "Genome reduction and co-evolution between the primary and secondary
RT bacterial symbionts of psyllids.";
RL Mol. Biol. Evol. 29:3781-3792(2012).
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_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;
CC Evidence={ECO:0000256|ARBA:ARBA00001234, ECO:0000256|HAMAP-
CC Rule:MF_00098};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00098};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000256|HAMAP-Rule:MF_00098};
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_00098}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00098}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MetG type 1 subfamily. {ECO:0000256|ARBA:ARBA00008258,
CC ECO:0000256|HAMAP-Rule:MF_00098}.
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DR EMBL; CP003547; AFP85719.1; -; Genomic_DNA.
DR AlphaFoldDB; J3Z5T4; -.
DR STRING; 134287.A35E_00425; -.
DR KEGG; sehc:A35E_00425; -.
DR PATRIC; fig|134287.3.peg.402; -.
DR HOGENOM; CLU_009710_7_0_6; -.
DR OrthoDB; 9810191at2; -.
DR Proteomes; UP000003937; 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; 3.40.50.620; HUPs; 1.
DR Gene3D; 2.20.28.20; Methionyl-tRNA synthetase, Zn-domain; 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 NCBIfam; TIGR00398; metG; 1.
DR PANTHER; PTHR45765; METHIONINE--TRNA LIGASE; 1.
DR PANTHER; PTHR45765:SF1; METHIONINE--TRNA LIGASE, CYTOPLASMIC; 1.
DR Pfam; PF09334; tRNA-synt_1g; 1.
DR PRINTS; PR01041; TRNASYNTHMET.
DR SUPFAM; SSF47323; Anticodon-binding domain of a subclass of class I aminoacyl-tRNA synthetases; 1.
DR SUPFAM; SSF57770; Methionyl-tRNA synthetase (MetRS), Zn-domain; 1.
DR SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase {ECO:0000256|ARBA:ARBA00023146,
KW ECO:0000256|HAMAP-Rule:MF_00098};
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00098};
KW Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00098};
KW Ligase {ECO:0000256|ARBA:ARBA00022598, ECO:0000256|HAMAP-Rule:MF_00098};
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00098};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00098};
KW Protein biosynthesis {ECO:0000256|ARBA:ARBA00022917, ECO:0000256|HAMAP-
KW Rule:MF_00098}; Reference proteome {ECO:0000313|Proteomes:UP000003937};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00098}.
FT DOMAIN 8..396
FT /note="Methionyl/Leucyl tRNA synthetase"
FT /evidence="ECO:0000259|Pfam:PF09334"
FT MOTIF 15..25
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00098"
FT MOTIF 332..336
FT /note="'KMSKS' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00098"
FT BINDING 146
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00098"
FT BINDING 149
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00098"
FT BINDING 159
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00098"
FT BINDING 162
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00098"
FT BINDING 335
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00098"
SQ SEQUENCE 549 AA; 63376 MW; E5E160E02439756E CRC64;
MNQVTKKILV TCALPYANGS IHLGHMLEHI QADIWVRYHK MRGYQVYFIC ADDTHGTAIM
LQAKKLGIKP ESMISKILLE HQTDFSSFGI SYDNYHSTHS KENHKLSILI YQHLKKNGFI
KSKIIFQFFD SKEGIFLPDR FVKGICPQCH SIEQYGDNCE VCGATYNPTD LINPKSILSD
SVPILRETEH FFFDLPVFSQ MLSSWIRSAI LQDEVKNKMQ EWFEAGLKQW DISRDAPYFG
FEIPDTVGKY FYVWLDAPIG YMGSFQNLCK KRGDLCFEDF WKTDSHADLY HFIGKDIMYF
HSLFWPAILE GCNFRKPSNL FVHGHLTING AKMSKSRGTF ITARSYLEHL DADCLRYYYA
TKLSSRIDDI DLNFQDFIQR VNADIVNKVI NLASRNASFI NKRFDGKLAN TIADPLLYST
FINAQMFIGD AFSSRETSRA MRKIMTLADL ANRYVDKKAP WVIAKEKNRE AELHAICSMG
IQLFRVLMIY LKPVLPGLAK RSEIFLGGHF LEWNQLSSPL LSHRIKPFKT LFTRITIEQV
EAIIKASHL
//
