ID SYM_AERPE Reviewed; 572 AA.
AC Q9YCY3;
DT 30-MAY-2000, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1999, sequence version 1.
DT 27-MAR-2024, entry version 131.
DE RecName: Full=Methionine--tRNA ligase;
DE EC=6.1.1.10;
DE AltName: Full=Methionyl-tRNA synthetase;
DE Short=MetRS;
GN Name=metG; OrderedLocusNames=APE_1129;
OS Aeropyrum pernix (strain ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 /
OS K1).
OC Archaea; Thermoproteota; Thermoprotei; Desulfurococcales;
OC Desulfurococcaceae; Aeropyrum.
OX NCBI_TaxID=272557;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 700893 / DSM 11879 / JCM 9820 / NBRC 100138 / K1;
RX PubMed=10382966; DOI=10.1093/dnares/6.2.83;
RA Kawarabayasi Y., Hino Y., Horikawa H., Yamazaki S., Haikawa Y., Jin-no K.,
RA Takahashi M., Sekine M., Baba S., Ankai A., Kosugi H., Hosoyama A.,
RA Fukui S., Nagai Y., Nishijima K., Nakazawa H., Takamiya M., Masuda S.,
RA Funahashi T., Tanaka T., Kudoh Y., Yamazaki J., Kushida N., Oguchi A.,
RA Aoki K., Kubota K., Nakamura Y., Nomura N., Sako Y., Kikuchi H.;
RT "Complete genome sequence of an aerobic hyper-thermophilic crenarchaeon,
RT Aeropyrum pernix K1.";
RL DNA Res. 6:83-101(1999).
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:0000250}.
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 -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105; Evidence={ECO:0000250};
CC Note=Binds 1 zinc ion per subunit. {ECO:0000250};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the class-I aminoacyl-tRNA synthetase family.
CC MetG type 1 subfamily. {ECO:0000305}.
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DR EMBL; BA000002; BAA80114.1; -; Genomic_DNA.
DR PIR; B72714; B72714.
DR AlphaFoldDB; Q9YCY3; -.
DR SMR; Q9YCY3; -.
DR STRING; 272557.APE_1129; -.
DR EnsemblBacteria; BAA80114; BAA80114; APE_1129.
DR KEGG; ape:APE_1129; -.
DR PATRIC; fig|272557.25.peg.781; -.
DR eggNOG; arCOG00810; Archaea.
DR Proteomes; UP000002518; 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; 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; PF19303; Anticodon_3; 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.
PE 3: Inferred from homology;
KW Aminoacyl-tRNA synthetase; ATP-binding; Cytoplasm; Ligase; Metal-binding;
KW Nucleotide-binding; Protein biosynthesis; Reference proteome; Zinc.
FT CHAIN 1..572
FT /note="Methionine--tRNA ligase"
FT /id="PRO_0000139182"
FT MOTIF 11..21
FT /note="'HIGH' region"
FT MOTIF 334..338
FT /note="'KMSKS' region"
FT BINDING 143
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000250"
FT BINDING 146
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000250"
FT BINDING 156
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000250"
FT BINDING 159
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /evidence="ECO:0000250"
FT BINDING 337
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000250"
SQ SEQUENCE 572 AA; 66481 MW; 6E2101CEFB666E4E CRC64;
MAKYVVTSAW PYVNHVPHLG TLIGSVLSAD IYARYLRLRG RQVVFVSGSD EHGTPIELEA
RKKGVHPKEL TDQVHEYDVK MWREYRISFD NYSRTESPVH KEFVMEFMKK LEENGYIFSQ
EEVLPYCERD KIFLPDRFVE GTCPYCGYEK ARGDQCDECG RLLHPTELKN PRCALCGSKP
VYKSTRHWFI DLRRVQDRLL KWLESHGELQ DSVKKYSINW VAQGLKPRSV TRDLSWGVPA
PFKGAEGKTI YVWFDALLGY VSATKELFIM RRGDPEEWKS WWWDSGTRTV YFIGKDNIPF
HAIILPALFL ASHDPYVLPW RISATEYLMY EGQQFSKSRR IGVWIDEALE IAPADYWRWA
LARMRPEARD TNFTWKEFYR IVNTELNDDI GNFVNRVLSL VRSRMSGVAP EPEDLGEHQG
FVERVRRAAW AVAEDLEAIR IKRATEGILE IAREGNAYLN RTQPWKLLSQ DREEGVRALS
AALYAVKTLA HLLAPFTPDA ADRLWSMLGL AGSVHEAVWD EWLDRPLPGG ARIVRVEPLF
QKLPDDFLER VDEIVEDARR RAREKRPPLL RD
//
