ID   TRMD_NEIMB              Reviewed;         249 AA.
AC   Q9K0K4;
DT   06-DEC-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 115.
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=NMB0590;
OS   Neisseria meningitidis serogroup B (strain MC58).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Neisseriales; Neisseriaceae;
OC   Neisseria.
OX   NCBI_TaxID=122586;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MC58;
RX   PubMed=10710307; DOI=10.1126/science.287.5459.1809;
RA   Tettelin H., Saunders N.J., Heidelberg J.F., Jeffries A.C., Nelson K.E.,
RA   Eisen J.A., Ketchum K.A., Hood D.W., Peden J.F., Dodson R.J., Nelson W.C.,
RA   Gwinn M.L., DeBoy R.T., Peterson J.D., Hickey E.K., Haft D.H.,
RA   Salzberg S.L., White O., Fleischmann R.D., Dougherty B.A., Mason T.M.,
RA   Ciecko A., Parksey D.S., Blair E., Cittone H., Clark E.B., Cotton M.D.,
RA   Utterback T.R., Khouri H.M., Qin H., Vamathevan J.J., Gill J., Scarlato V.,
RA   Masignani V., Pizza M., Grandi G., Sun L., Smith H.O., Fraser C.M.,
RA   Moxon E.R., Rappuoli R., Venter J.C.;
RT   "Complete genome sequence of Neisseria meningitidis serogroup B strain
RT   MC58.";
RL   Science 287:1809-1815(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; AE002098; AAF41018.1; -; Genomic_DNA.
DR   PIR; C81180; C81180.
DR   RefSeq; NP_273634.1; NC_003112.2.
DR   RefSeq; WP_002222855.1; NC_003112.2.
DR   AlphaFoldDB; Q9K0K4; -.
DR   SMR; Q9K0K4; -.
DR   STRING; 122586.NMB0590; -.
DR   PaxDb; Q9K0K4; -.
DR   EnsemblBacteria; AAF41018; AAF41018; NMB0590.
DR   KEGG; nme:NMB0590; -.
DR   PATRIC; fig|122586.8.peg.752; -.
DR   HOGENOM; CLU_047363_0_1_4; -.
DR   OMA; ILCGHYK; -.
DR   Proteomes; UP000000425; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0052906; F:tRNA (guanine(37)-N(1))-methyltransferase activity; IBA:GO_Central.
DR   GO; GO:0002939; P:tRNA N1-guanine methylation; IBA:GO_Central.
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..249
FT                   /note="tRNA (guanine-N(1)-)-methyltransferase"
FT                   /id="PRO_0000060421"
FT   BINDING         113
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000250"
FT   BINDING         133..138
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   249 AA;  27887 MW;  313D90F21AB8C3AA CRC64;
     MLIQAVTIFP EMFDSITRYG VTGRANRQGI WQFEAVNPRK FADNRLGYID DRPFGGGPGM
     IMMAPPLHAA IEHAKTQSSQ AAKVIYLSPQ GKPLTHQKAV ELAELPHLIL LCGRYEGIDE
     RLLQSSVDEE ISIGDFVVSG GELPAMMLMD AVLRLVPGVL GDMQSAEQDS FSSGILDCPH
     YTKPLEFQGM AVPEVLRSGN HGLIAEWRLE QSLRRTLERR PDLLEKRVLI PKESRLLETI
     RQEQREIQS