ID   TRMD_UREPA              Reviewed;         228 AA.
AC   Q9PPS2;
DT   06-DEC-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 101.
DE   RecName: Full=tRNA (guanine-N(1)-)-methyltransferase;
DE            EC=2.1.1.228;
DE   AltName: Full=M1G-methyltransferase;
DE   AltName: Full=tRNA [GM37] methyltransferase;
GN   Name=trmD; OrderedLocusNames=UU567;
OS   Ureaplasma parvum serovar 3 (strain ATCC 700970).
OC   Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Ureaplasma.
OX   NCBI_TaxID=273119;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700970;
RX   PubMed=11048724; DOI=10.1038/35037619;
RA   Glass J.I., Lefkowitz E.J., Glass J.S., Heiner C.R., Chen E.Y.,
RA   Cassell G.H.;
RT   "The complete sequence of the mucosal pathogen Ureaplasma urealyticum.";
RL   Nature 407:757-762(2000).
CC   -!- FUNCTION: Specifically methylates guanosine-37 in various tRNAs.
CC       {ECO:0000250}.
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   -!- SUBUNIT: Homodimer. {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the RNA methyltransferase TrmD family.
CC       {ECO:0000305}.
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DR   EMBL; AF222894; AAF30981.1; -; Genomic_DNA.
DR   RefSeq; WP_006688650.1; NC_002162.1.
DR   AlphaFoldDB; Q9PPS2; -.
DR   SMR; Q9PPS2; -.
DR   STRING; 273119.UU567; -.
DR   EnsemblBacteria; AAF30981; AAF30981; UU567.
DR   GeneID; 29672713; -.
DR   KEGG; uur:UU567; -.
DR   eggNOG; COG0336; Bacteria.
DR   HOGENOM; CLU_047363_0_1_14; -.
DR   OMA; ILCGHYK; -.
DR   Proteomes; UP000000423; 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; Reference proteome; S-adenosyl-L-methionine;
KW   Transferase; tRNA processing.
FT   CHAIN           1..228
FT                   /note="tRNA (guanine-N(1)-)-methyltransferase"
FT                   /id="PRO_0000060491"
FT   BINDING         111
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000250"
FT   BINDING         130..135
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   228 AA;  26134 MW;  EB53BA36D6E9D4C6 CRC64;
     MKISILSLFP ELYETWIKHS IISNAIKNNQ VIIEVIDFRL YTNDKHKKVD DYQYGGGAGM
     VLRIEPIVAA IRAIRSSNSY VILTTPKGQV FNQELANNFV SKYDHIIIIA GHYEGFDERI
     NYYIDAQYSI GDFVLTGGEL PSMVISDAVI RLLDGVISPS SLETESFNNY LLDYPVYTRP
     LVFEGHKVPD ILLSGHHKNI ADFRKQQQET ITKKNRPDLY QKYLNNKK