ID   TRMD_MYCTA              Reviewed;         230 AA.
AC   A5U6R1;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   10-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 82.
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=MRA_2931;
OS   Mycobacterium tuberculosis (strain ATCC 25177 / H37Ra).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium; Mycobacterium tuberculosis complex.
OX   NCBI_TaxID=419947;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 25177 / H37Ra;
RX   PubMed=18584054; DOI=10.1371/journal.pone.0002375;
RA   Zheng H., Lu L., Wang B., Pu S., Zhang X., Zhu G., Shi W., Zhang L.,
RA   Wang H., Wang S., Zhao G., Zhang Y.;
RT   "Genetic basis of virulence attenuation revealed by comparative genomic
RT   analysis of Mycobacterium tuberculosis strain H37Ra versus H37Rv.";
RL   PLoS ONE 3:E2375-E2375(2008).
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; CP000611; ABQ74711.1; -; Genomic_DNA.
DR   RefSeq; WP_003414722.1; NZ_CP016972.1.
DR   AlphaFoldDB; A5U6R1; -.
DR   SMR; A5U6R1; -.
DR   STRING; 419947.MRA_2931; -.
DR   EnsemblBacteria; ABQ74711; ABQ74711; MRA_2931.
DR   KEGG; mra:MRA_2931; -.
DR   eggNOG; COG0336; Bacteria.
DR   HOGENOM; CLU_047363_0_0_11; -.
DR   OMA; ILCGHYK; -.
DR   OrthoDB; 525632at2; -.
DR   Proteomes; UP000001988; 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..230
FT                   /note="tRNA (guanine-N(1)-)-methyltransferase"
FT                   /id="PRO_1000006498"
FT   BINDING         109
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00605"
FT   BINDING         133..138
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00605"
SQ   SEQUENCE   230 AA;  25166 MW;  5981C3D149ED0AC5 CRC64;
     MRIDIVTIFP ACLDPLRQSL PGKAIESGLV DLNVHDLRRW THDVHHSVDD APYGGGPGMV
     MKAPVWGEAL DEICSSETLL IVPTPAGVLF TQATAQRWTT ESHLVFACGR YEGIDQRVVQ
     DAARRMRVEE VSIGDYVLPG GESAAVVMVE AVLRLLAGVL GNPASHQDDS HSTGLDGLLE
     GPSYTRPASW RGLDVPEVLL SGDHARIAAW RREVSLQRTR ERRPDLSHPD