SYM_PYRHO
ID SYM_PYRHO Reviewed; 723 AA.
AC O58721;
DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-AUG-1998, sequence version 1.
DT 03-AUG-2022, entry version 149.
DE RecName: Full=Methionine--tRNA ligase {ECO:0000255|HAMAP-Rule:MF_00098};
DE EC=6.1.1.10 {ECO:0000255|HAMAP-Rule:MF_00098};
DE AltName: Full=Methionyl-tRNA synthetase {ECO:0000255|HAMAP-Rule:MF_00098};
DE Short=MetRS {ECO:0000255|HAMAP-Rule:MF_00098};
GN Name=metG {ECO:0000255|HAMAP-Rule:MF_00098}; OrderedLocusNames=PH0993;
OS Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC
OS 100139 / OT-3).
OC Archaea; Euryarchaeota; Thermococci; Thermococcales; Thermococcaceae;
OC Pyrococcus.
OX NCBI_TaxID=70601;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3;
RX PubMed=9679194; DOI=10.1093/dnares/5.2.55;
RA Kawarabayasi Y., Sawada M., Horikawa H., Haikawa Y., Hino Y., Yamamoto S.,
RA Sekine M., Baba S., Kosugi H., Hosoyama A., Nagai Y., Sakai M., Ogura K.,
RA Otsuka R., Nakazawa H., Takamiya M., Ohfuku Y., Funahashi T., Tanaka T.,
RA Kudoh Y., Yamazaki J., Kushida N., Oguchi A., Aoki K., Yoshizawa T.,
RA Nakamura Y., Robb F.T., Horikoshi K., Masuchi Y., Shizuya H., Kikuchi H.;
RT "Complete sequence and gene organization of the genome of a hyper-
RT thermophilic archaebacterium, Pyrococcus horikoshii OT3.";
RL DNA Res. 5:55-76(1998).
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:0000255|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; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00098};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00098};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000255|HAMAP-Rule:MF_00098};
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00098}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00098}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MetG type 1 subfamily. {ECO:0000255|HAMAP-Rule:MF_00098}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; BA000001; BAA30090.1; -; Genomic_DNA.
DR PIR; D71091; D71091.
DR RefSeq; WP_010885082.1; NC_000961.1.
DR AlphaFoldDB; O58721; -.
DR SMR; O58721; -.
DR STRING; 70601.3257407; -.
DR EnsemblBacteria; BAA30090; BAA30090; BAA30090.
DR GeneID; 1443317; -.
DR KEGG; pho:PH0993; -.
DR eggNOG; arCOG00810; Archaea.
DR OMA; SDMHGTP; -.
DR OrthoDB; 6590at2157; -.
DR Proteomes; UP000000752; 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-KW.
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; 2.20.28.20; -; 1.
DR Gene3D; 2.40.50.140; -; 1.
DR Gene3D; 3.40.50.620; -; 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; IPR004495; Met-tRNA-synth_bsu_C.
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 PANTHER; PTHR45765; PTHR45765; 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; SSF47323; 1.
DR SUPFAM; SSF50249; SSF50249; 1.
DR SUPFAM; SSF57770; SSF57770; 1.
DR TIGRFAMs; TIGR00398; metG; 1.
DR TIGRFAMs; TIGR00399; metG_C_term; 1.
DR PROSITE; PS00178; AA_TRNA_LIGASE_I; 1.
DR PROSITE; PS50886; TRBD; 1.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase; Metal-binding;
KW Nucleotide-binding; Protein biosynthesis; RNA-binding; tRNA-binding; Zinc.
FT CHAIN 1..723
FT /note="Methionine--tRNA ligase"
FT /id="PRO_0000139197"
FT DOMAIN 623..723
FT /note="tRNA-binding"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT MOTIF 11..21
FT /note="'HIGH' region"
FT MOTIF 344..348
FT /note="'KMSKS' region"
FT BINDING 143
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 146
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 156
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 159
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
FT BINDING 347
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00098"
SQ SEQUENCE 723 AA; 84743 MW; F839FDBCE7DC09DC CRC64;
MVRYMVTSAL PYANGPIHAG HLAGAYLPAD IFVRYLRLKG EDVVFICGTD EHGTPISFRA
LKEGRSPREI VDEFHEHIKI TFQRAKISFD FFGRTELPIH YKLSQQFFLK AYENGHLVKK
VTKQAYCEHD KMFLPDRFVI GTCPFCGAEN QRGDQCEVCG RPLTPEILIN PRCALCGRPI
SFRESAHYYI KMQDFAEKLK RWIENQPWKP NVKNMVLKWI EEGLEERAIT RDLNWGIPVP
LDEEDMKNKV LYVWFEAPIG YISITMEYFK RLGKPNEWKK YWLNIDSETR VIHFIGKDNI
PFHAIFWPAF LMAYGKYKDE EVEAEWNLPY DIPANEYLTL EGKKFSTSRN WAIWVHEFLD
VFPADYLRYY LTTIMPETRD SDFSFAEFKT RINEELVNNL GNFVHRAMTF VNRYFDGIVP
ERGELDELDR QALEEIEKAF EEVGELIMNY RFKDALKRVM ELASFGNKYF DHKQPWKTAK
EDRARTGTTV NISLQIVKAL GILLEPFLPD ASEKIWHLLN LDEVKKWKFK ELPAGHRVRK
AEILFKKVTD EQIIYFILNY MGRNNPEGAK MLLEKYYKRE DVIKVAKEKF GEESKIILKR
IYKDIKLEEG KEEKEMEYVK FEDFAKLDLR VGKIIEVKDH PNADKLYIVK VDLGKEVRTL
VAGLKKYYKP EELLNKYVII VANLEPKKLR GVESQGMLLA ADDGENVALL MPDKEVKLGA
KVR
