ID   TRMD_BORBU              Reviewed;         239 AA.
AC   O51641;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1998, sequence version 1.
DT   03-AUG-2022, entry version 124.
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=BB_0698;
OS   Borreliella burgdorferi (strain ATCC 35210 / DSM 4680 / CIP 102532 / B31)
OS   (Borrelia burgdorferi).
OC   Bacteria; Spirochaetes; Spirochaetales; Borreliaceae; Borreliella.
OX   NCBI_TaxID=224326;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 35210 / DSM 4680 / CIP 102532 / B31;
RX   PubMed=9403685; DOI=10.1038/37551;
RA   Fraser C.M., Casjens S., Huang W.M., Sutton G.G., Clayton R.A.,
RA   Lathigra R., White O., Ketchum K.A., Dodson R.J., Hickey E.K., Gwinn M.L.,
RA   Dougherty B.A., Tomb J.-F., Fleischmann R.D., Richardson D.L.,
RA   Peterson J.D., Kerlavage A.R., Quackenbush J., Salzberg S.L., Hanson M.,
RA   van Vugt R., Palmer N., Adams M.D., Gocayne J.D., Weidman J.F.,
RA   Utterback T.R., Watthey L., McDonald L.A., Artiach P., Bowman C.,
RA   Garland S.A., Fujii C., Cotton M.D., Horst K., Roberts K.M., Hatch B.,
RA   Smith H.O., Venter J.C.;
RT   "Genomic sequence of a Lyme disease spirochaete, Borrelia burgdorferi.";
RL   Nature 390:580-586(1997).
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; AE000783; AAC67045.1; -; Genomic_DNA.
DR   PIR; A70187; A70187.
DR   RefSeq; NP_212832.1; NC_001318.1.
DR   RefSeq; WP_002657057.1; NC_001318.1.
DR   AlphaFoldDB; O51641; -.
DR   SMR; O51641; -.
DR   STRING; 224326.BB_0698; -.
DR   PRIDE; O51641; -.
DR   EnsemblBacteria; AAC67045; AAC67045; BB_0698.
DR   KEGG; bbu:BB_0698; -.
DR   PATRIC; fig|224326.49.peg.1089; -.
DR   HOGENOM; CLU_047363_0_1_12; -.
DR   OMA; ILCGHYK; -.
DR   Proteomes; UP000001807; 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..239
FT                   /note="tRNA (guanine-N(1)-)-methyltransferase"
FT                   /id="PRO_0000060339"
FT   BINDING         110
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   239 AA;  27179 MW;  4533FBED8706B144 CRC64;
     MKFTVLSLFP AIIKPFFENS IMKKAINKGI VSFELVDVRD FSKDKHKRCD DLPYGGGAGM
     VLKAEPISFA LEHVESAKKT TIFLSPSGIK YSQELAYSLS KREEIVIICG RYEGIDQRII
     DLYVDFEISI GDYVLSSGEI AALVLIDSVY RLLDGVINPN SLLEESFGVK NGLLEYPHYT
     RPYDFKGIKV PEVLLSGHHA NIKNWRLVKA REKTKKNRYD LYLKYLEIIG EDNGFDKKN