ID H9ZQP5_THETH Unreviewed; 618 AA.
AC H9ZQP5;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 24-JAN-2024, entry version 71.
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=TtJL18_0752 {ECO:0000313|EMBL:AFH38655.1};
OS Thermus thermophilus JL-18.
OC Bacteria; Deinococcota; Deinococci; Thermales; Thermaceae; Thermus.
OX NCBI_TaxID=798128 {ECO:0000313|EMBL:AFH38655.1, ECO:0000313|Proteomes:UP000007388};
RN [1] {ECO:0000313|EMBL:AFH38655.1, ECO:0000313|Proteomes:UP000007388}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=JL-18 {ECO:0000313|EMBL:AFH38655.1,
RC ECO:0000313|Proteomes:UP000007388};
RX PubMed=23405355; DOI=10.1128/genomeA.00106-12;
RA Murugapiran S.K., Huntemann M., Wei C.L., Han J., Detter J.C., Han C.S.,
RA Erkkila T.H., Teshima H., Chen A., Kyrpides N., Mavrommatis K.,
RA Markowitz V., Szeto E., Ivanova N., Pagani I., Lam J., McDonald A.I.,
RA Dodsworth J.A., Pati A., Goodwin L., Peters L., Pitluck S., Woyke T.,
RA Hedlund B.P.;
RT "Whole Genome Sequencing of Thermus oshimai JL-2 and Thermus thermophilus
RT JL-18, Incomplete Denitrifiers from the United States Great Basin.";
RL Genome Announc. 1:E00106-E00112(2013).
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; CP003252; AFH38655.1; -; Genomic_DNA.
DR RefSeq; WP_008632745.1; NC_017587.1.
DR AlphaFoldDB; H9ZQP5; -.
DR STRING; 798128.TtJL18_0752; -.
DR KEGG; ttl:TtJL18_0752; -.
DR PATRIC; fig|798128.4.peg.730; -.
DR HOGENOM; CLU_009710_9_4_0; -.
DR Proteomes; UP000007388; 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};
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 518..618
FT /note="TRNA-binding"
FT /evidence="ECO:0000259|PROSITE:PS50886"
FT MOTIF 12..22
FT /note="'HIGH' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT MOTIF 297..301
FT /note="'KMSKS' region"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 127
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 130
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 144
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
FT BINDING 147
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01228"
SQ SEQUENCE 618 AA; 70633 MW; ED86CDCFC4A8D003 CRC64;
MEKVFYVTTP IYYVNAEPHL GHAYTTVVAD FLARWHRLDG YRTFFLTGTD EHGETVYRAA
QAAGEDPKAF VDRVSERFKR AWDLLGIAYD DFIRTTEERH KKVVQLVLKK VYEAGDIYYG
EYEGLYCVSC ERFYTEKELV EGLCPIHGRP VERRKEGNYF FRMEKYRPWL QEYIQENPDL
IRPEGYRNEV LAMLAEPIGD LSISRPKSRV PWGIPLPWDE NHVTYVWFDA LLNYVSALGY
PEGEAYRTFW PHAWHLIGKD ILKPHAVFWP TMLKAAGIPM YRHLNVGGFL LGPDGRKMSK
TLGNVVDPFA LLEKYGRDAL RYYLLREIPY GQDTPVSEEA LRARYEADLA DDLGNLVQRT
RAMLFRFAEG RIPEPVAGEE LAEGTGLAKR LRPLVRELKF HVALEEVMAY VKALNRYINE
KKPWELFKKE PEEARAVLYR VVEGLRIASI LLTPAMPDKM AELRRALGLK EEVGLAEAER
WGLAEPRPIP EEAPVLFPKK EAKVEAKPKE EAWIGIEDFA KVELRVAEVL AAEKHPNADR
LLVLRLSLGN EERTVVSGIA KWYRPEELVG KKVVLVANLK PAKLRGIESQ GMILAAQEGE
ALALVTVEGE IPPGAVVK
//
