ID   TRMD_THEP1              Reviewed;         245 AA.
AC   A5IM14;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   26-JUN-2007, sequence version 1.
DT   03-AUG-2022, entry version 78.
DE   RecName: Full=tRNA (guanine-N(1)-)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00605};
DE            EC=2.1.1.228 {ECO:0000255|HAMAP-Rule:MF_00605};
DE   AltName: Full=M1G-methyltransferase {ECO:0000255|HAMAP-Rule:MF_00605};
DE   AltName: Full=tRNA [GM37] methyltransferase {ECO:0000255|HAMAP-Rule:MF_00605};
GN   Name=trmD {ECO:0000255|HAMAP-Rule:MF_00605}; OrderedLocusNames=Tpet_1223;
OS   Thermotoga petrophila (strain ATCC BAA-488 / DSM 13995 / JCM 10881 /
OS   RKU-1).
OC   Bacteria; Thermotogae; Thermotogales; Thermotogaceae; Thermotoga.
OX   NCBI_TaxID=390874;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-488 / DSM 13995 / JCM 10881 / RKU-1;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Sims D., Brettin T., Bruce D., Detter J.C., Han C.,
RA   Tapia R., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA   Mikhailova N., Nelson K., Gogarten J.P., Noll K., Richardson P.;
RT   "Complete sequence of Thermotoga petrophila RKU-1.";
RL   Submitted (MAY-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Specifically methylates guanosine-37 in various tRNAs.
CC       {ECO:0000255|HAMAP-Rule:MF_00605}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=guanosine(37) in tRNA + S-adenosyl-L-methionine = H(+) + N(1)-
CC         methylguanosine(37) in tRNA + S-adenosyl-L-homocysteine;
CC         Xref=Rhea:RHEA:36899, Rhea:RHEA-COMP:10145, Rhea:RHEA-COMP:10147,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC         ChEBI:CHEBI:73542, ChEBI:CHEBI:74269; EC=2.1.1.228;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00605};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00605}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00605}.
CC   -!- SIMILARITY: Belongs to the RNA methyltransferase TrmD family.
CC       {ECO:0000255|HAMAP-Rule:MF_00605}.
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DR   EMBL; CP000702; ABQ47237.1; -; Genomic_DNA.
DR   RefSeq; WP_004081985.1; NC_009486.1.
DR   AlphaFoldDB; A5IM14; -.
DR   SMR; A5IM14; -.
DR   STRING; 390874.Tpet_1223; -.
DR   EnsemblBacteria; ABQ47237; ABQ47237; Tpet_1223.
DR   KEGG; tpt:Tpet_1223; -.
DR   eggNOG; COG0336; Bacteria.
DR   HOGENOM; CLU_047363_0_1_0; -.
DR   OMA; ILCGHYK; -.
DR   Proteomes; UP000006558; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0052906; F:tRNA (guanine(37)-N(1))-methyltransferase activity; IEA:UniProtKB-EC.
DR   CDD; cd18080; TrmD-like; 1.
DR   Gene3D; 1.10.1270.20; -; 1.
DR   Gene3D; 3.40.1280.10; -; 1.
DR   HAMAP; MF_00605; TrmD; 1.
DR   InterPro; IPR029028; Alpha/beta_knot_MTases.
DR   InterPro; IPR002649; tRNA_m1G_MeTrfase_bac.
DR   InterPro; IPR023148; tRNA_m1G_MeTrfase_C_sf.
DR   InterPro; IPR029026; tRNA_m1G_MTases_N.
DR   InterPro; IPR016009; tRNA_MeTrfase_TRMD/TRM10.
DR   PANTHER; PTHR46417; PTHR46417; 1.
DR   Pfam; PF01746; tRNA_m1G_MT; 1.
DR   PIRSF; PIRSF000386; tRNA_mtase; 1.
DR   SUPFAM; SSF75217; SSF75217; 1.
DR   TIGRFAMs; TIGR00088; trmD; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; S-adenosyl-L-methionine; Transferase;
KW   tRNA processing.
FT   CHAIN           1..245
FT                   /note="tRNA (guanine-N(1)-)-methyltransferase"
FT                   /id="PRO_1000006538"
FT   BINDING         112
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00605"
FT   BINDING         131..136
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00605"
SQ   SEQUENCE   245 AA;  28493 MW;  6D3D2255526CE2D9 CRC64;
     MRITIVTIFP EMVEVIKKYG VIARAVERGI VEINVENLRD YTTDRHRTVD DYQYGGGYGM
     VMKPEPFFRF YESYVEKYGK PYVILTSPQG RIFNYKIAEE LSKKDDIVIF CGRYEGIDER
     VMSIVDDEIS IGDYILTGGE LPAMVITDAV VRLVPGVVER ESVERESFHQ GLLDHPVYTR
     PYEYKGMKVP DVLLSGDHEK VELWRRKESI KKTLAKRPDL FLAKELDEMD KLAIIELFRE
     LMEKC