ID   TRMD_STRA5              Reviewed;         250 AA.
AC   Q8CX07;
DT   26-APR-2004, integrated into UniProtKB/Swiss-Prot.
DT   26-APR-2004, sequence version 2.
DT   03-AUG-2022, entry version 101.
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=SAG1354;
OS   Streptococcus agalactiae serotype V (strain ATCC BAA-611 / 2603 V/R).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=208435;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-611 / 2603 V/R;
RX   PubMed=12200547; DOI=10.1073/pnas.182380799;
RA   Tettelin H., Masignani V., Cieslewicz M.J., Eisen J.A., Peterson S.N.,
RA   Wessels M.R., Paulsen I.T., Nelson K.E., Margarit I., Read T.D.,
RA   Madoff L.C., Wolf A.M., Beanan M.J., Brinkac L.M., Daugherty S.C.,
RA   DeBoy R.T., Durkin A.S., Kolonay J.F., Madupu R., Lewis M.R., Radune D.,
RA   Fedorova N.B., Scanlan D., Khouri H.M., Mulligan S., Carty H.A.,
RA   Cline R.T., Van Aken S.E., Gill J., Scarselli M., Mora M., Iacobini E.T.,
RA   Brettoni C., Galli G., Mariani M., Vegni F., Maione D., Rinaudo D.,
RA   Rappuoli R., Telford J.L., Kasper D.L., Grandi G., Fraser C.M.;
RT   "Complete genome sequence and comparative genomic analysis of an emerging
RT   human pathogen, serotype V Streptococcus agalactiae.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:12391-12396(2002).
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}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAN00225.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; AE009948; AAN00225.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; NP_688352.1; NC_004116.1.
DR   AlphaFoldDB; Q8CX07; -.
DR   SMR; Q8CX07; -.
DR   STRING; 208435.SAG1354; -.
DR   EnsemblBacteria; AAN00225; AAN00225; SAG1354.
DR   KEGG; sag:SAG1354; -.
DR   PATRIC; fig|208435.3.peg.1362; -.
DR   HOGENOM; CLU_047363_0_1_9; -.
DR   OMA; ILCGHYK; -.
DR   Proteomes; UP000000821; 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..250
FT                   /note="tRNA (guanine-N(1)-)-methyltransferase"
FT                   /id="PRO_0000060466"
FT   BINDING         108
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00605"
FT   BINDING         127..132
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00605"
SQ   SEQUENCE   250 AA;  28738 MW;  DB9BB0625434B11E CRC64;
     MKIDILTLFP EMFAPLEHSI VGKAKERGLL EINYHNFREN AEKSRHVDDE PYGGGQGMLL
     RAQPIFDTID KIDAQKARVI LLDPAGRTFD QDFAEELSKE DELIFICGHY EGYDERIKSL
     VTDEVSLGDF VLTGGELAAM TMVDATVRLI PEVIGKETSH QDDSFSSGLL EYPQYTRPYD
     YLGMTVPDVL MSGHHENIRK WRLEQSLRKT LERRPDLLEN YAMTDEERLI LEKIKTEIER
     TDTVNEQNNL