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TRMD_HELPJ
ID   TRMD_HELPJ              Reviewed;         229 AA.
AC   Q9ZK66;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-MAY-1999, sequence version 1.
DT   03-AUG-2022, entry version 121.
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=jhp_1075;
OS   Helicobacter pylori (strain J99 / ATCC 700824) (Campylobacter pylori J99).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Helicobacteraceae; Helicobacter.
OX   NCBI_TaxID=85963;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=J99 / ATCC 700824;
RX   PubMed=9923682; DOI=10.1038/16495;
RA   Alm R.A., Ling L.-S.L., Moir D.T., King B.L., Brown E.D., Doig P.C.,
RA   Smith D.R., Noonan B., Guild B.C., deJonge B.L., Carmel G., Tummino P.J.,
RA   Caruso A., Uria-Nickelsen M., Mills D.M., Ives C., Gibson R., Merberg D.,
RA   Mills S.D., Jiang Q., Taylor D.E., Vovis G.F., Trust T.J.;
RT   "Genomic sequence comparison of two unrelated isolates of the human gastric
RT   pathogen Helicobacter pylori.";
RL   Nature 397:176-180(1999).
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; AE001439; AAD06655.1; -; Genomic_DNA.
DR   PIR; H71851; H71851.
DR   RefSeq; WP_000672896.1; NZ_CP011330.1.
DR   AlphaFoldDB; Q9ZK66; -.
DR   SMR; Q9ZK66; -.
DR   STRING; 85963.jhp_1075; -.
DR   PRIDE; Q9ZK66; -.
DR   EnsemblBacteria; AAD06655; AAD06655; jhp_1075.
DR   KEGG; hpj:jhp_1075; -.
DR   PATRIC; fig|85963.30.peg.1508; -.
DR   eggNOG; COG0336; Bacteria.
DR   OMA; ILCGHYK; -.
DR   Proteomes; UP000000804; 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..229
FT                   /note="tRNA (guanine-N(1)-)-methyltransferase"
FT                   /id="PRO_0000060389"
FT   BINDING         109
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000250"
FT   BINDING         129..134
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   229 AA;  25853 MW;  55D2517CD94FAB5C CRC64;
     MKFSVLTLFP QLILPYFEDS ILKRALEKNL FELEVLNLRD FSANKYQKAD HTLIGGGAGQ
     ILDPEMIENA LHSVKNPKHT IFLSAVGKPF KQIDAMRLAQ KKHVVLVCGR YEGFDERSIE
     LGADEVFCIG DFILTGGELG ALCLIDSIAR HIQGVLGNAQ SLENESFENN YLETPNFANA
     VFKSKEINKI PAPLEYSKGN HAKIKQLKLD LSKLRTKFYR LDLFKQHKS
 
 
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