ID G5LQU0_SALET Unreviewed; 642 AA.
AC G5LQU0;
DT 25-JAN-2012, integrated into UniProtKB/TrEMBL.
DT 25-JAN-2012, sequence version 1.
DT 24-JAN-2024, entry version 63.
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};
GN Name=metG {ECO:0000256|HAMAP-Rule:MF_00098};
GN ORFNames=LTSEALA_3208 {ECO:0000313|EMBL:EHC36879.1};
OS Salmonella enterica subsp. enterica serovar Alachua str. R6-377.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Salmonella.
OX NCBI_TaxID=913241 {ECO:0000313|EMBL:EHC36879.1, ECO:0000313|Proteomes:UP000004642};
RN [1] {ECO:0000313|EMBL:EHC36879.1, ECO:0000313|Proteomes:UP000004642}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=R6-377 {ECO:0000313|EMBL:EHC36879.1,
RC ECO:0000313|Proteomes:UP000004642};
RX PubMed=21859443; DOI=10.1186/1471-2164-12-425;
RA den Bakker H.C., Moreno Switt A.I., Govoni G., Cummings C.A., Ranieri M.L.,
RA Degoricija L., Hoelzer K., Rodriguez-Rivera L.D., Brown S., Bolchacova E.,
RA Furtado M.R., Wiedmann M.;
RT "Genome sequencing reveals diversification of virulence factor content and
RT possible host adaptation in distinct subpopulations of Salmonella
RT enterica.";
RL BMC Genomics 12:425-425(2011).
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: Homodimer. {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}.
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:EHC36879.1}.
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DR EMBL; AFCJ01001389; EHC36879.1; -; Genomic_DNA.
DR AlphaFoldDB; G5LQU0; -.
DR PATRIC; fig|913241.3.peg.2434; -.
DR Proteomes; UP000004642; 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 Gene3D; 3.40.50.620; HUPs; 1.
DR Gene3D; 2.20.28.20; Methionyl-tRNA synthetase, Zn-domain; 1.
DR Gene3D; 2.40.50.140; Nucleic acid-binding proteins; 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; 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 PANTHER; PTHR45765; METHIONINE--TRNA LIGASE; 1.
DR PANTHER; PTHR45765:SF1; METHIONINE--TRNA LIGASE, CYTOPLASMIC; 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; SSF57770; Methionyl-tRNA synthetase (MetRS), Zn-domain; 1.
DR SUPFAM; SSF50249; Nucleic acid-binding proteins; 1.
DR SUPFAM; SSF52374; Nucleotidylyl transferase; 1.
DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 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_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};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW Rule:MF_00098};
KW tRNA-binding {ECO:0000256|ARBA:ARBA00022555, ECO:0000256|HAMAP-
KW Rule:MF_00098};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00098}.
FT DOMAIN 575..642
FT /note="TRNA-binding"
FT /evidence="ECO:0000259|PROSITE:PS50886"
FT MOTIF 15..25
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00098"
FT MOTIF 333..337
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 336
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00098"
SQ SEQUENCE 642 AA; 72764 MW; C47A0EAAE4C2C872 CRC64;
MTQVAKKILV TCALPYANGS IHLGHMLEHI QADVWVRYQR MRGHEVNFIC ADDAHGTPIM
LKAQQLGITP EQMIGEMSQE HQTDFAGFNI SYDNYHSTHS DENRELSELI YTRLKENGFI
KNRTISQLYD PEKGMFLPDR FVKGTCPKCK SADQYGDNCE VCGATYSPTE LIEPKSVVSG
ATPVMRDSEH FFFDLPSFSE MLQAWTRSGA LQEQVANKMQ EWFESGLQQW DISRDAPYFG
FEIPNAPGKY FYVWLDAPIG YMGSFKNLCD KRGDTTSFDE YWKKDSDAEL YHFIGKDIVY
FHSLFWPAML EGSHFRKPTN LFVHGYVTVN GAKMSKSRGT FIKASTWLKH FDADSLRYYY
TAKLSSRIDD IDLNLEDFVQ RVNADIVNKV VNLASRNAGF INKRFDGMLA AELADPQLYK
TFTDAAAVIG EAWESREFGK AIREIMALAD VANRYVDEQA PWVVAKQEGR DADLQAICSM
GINLFRVLMT YLKPVLPTLS ERVEAFLNSE LNWDAIEQPL LGHKVNTFKA LYNRIDMKQV
EALVEASKEE VKAAAAPVTG PLADFPIQET ITFDDFAKID LRVALIENAE FVEGSDKLLR
LTLDLGGEKR NVFSGIRSAY PDPQALIGRQ TVMVANLAPR IY
//
