ID   TRMD_KOCRD              Reviewed;         331 AA.
AC   B2GFY4;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUN-2008, sequence version 1.
DT   03-AUG-2022, entry version 74.
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=KRH_10650;
OS   Kocuria rhizophila (strain ATCC 9341 / DSM 348 / NBRC 103217 / DC2201).
OC   Bacteria; Actinobacteria; Micrococcales; Micrococcaceae; Kocuria.
OX   NCBI_TaxID=378753;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 9341 / DSM 348 / NBRC 103217 / DC2201;
RX   PubMed=18408034; DOI=10.1128/jb.01853-07;
RA   Takarada H., Sekine M., Kosugi H., Matsuo Y., Fujisawa T., Omata S.,
RA   Kishi E., Shimizu A., Tsukatani N., Tanikawa S., Fujita N., Harayama S.;
RT   "Complete genome sequence of the soil actinomycete Kocuria rhizophila.";
RL   J. Bacteriol. 190:4139-4146(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; AP009152; BAG29412.1; -; Genomic_DNA.
DR   RefSeq; WP_012398133.1; NC_010617.1.
DR   AlphaFoldDB; B2GFY4; -.
DR   SMR; B2GFY4; -.
DR   STRING; 378753.KRH_10650; -.
DR   EnsemblBacteria; BAG29412; BAG29412; KRH_10650.
DR   KEGG; krh:KRH_10650; -.
DR   eggNOG; COG0336; Bacteria.
DR   HOGENOM; CLU_047363_0_0_11; -.
DR   OMA; ILCGHYK; -.
DR   OrthoDB; 525632at2; -.
DR   Proteomes; UP000008838; 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; -; 2.
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; 2.
DR   Pfam; PF01746; tRNA_m1G_MT; 2.
DR   SUPFAM; SSF75217; SSF75217; 2.
PE   3: Inferred from homology;
KW   Cytoplasm; Methyltransferase; Reference proteome; S-adenosyl-L-methionine;
KW   Transferase; tRNA processing.
FT   CHAIN           1..331
FT                   /note="tRNA (guanine-N(1)-)-methyltransferase"
FT                   /id="PRO_1000130181"
FT   REGION          77..137
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          312..331
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        77..98
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         169
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00605"
FT   BINDING         193..198
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00605"
SQ   SEQUENCE   331 AA;  35752 MW;  6AA66BD23600AEF9 CRC64;
     MRIDVLSIFP EYLEPLKLSL IGKAVTDGLL QLQVTDPREF ATDRHRTVDD TPYGGGAGMV
     MKPEPWARAL ESVLRAGSDT TARSGSTAAT SASAQQATRL GPDDDAAQPG DAGQGTAAPD
     YARTGGTPGA GRAASSRPVL VVPSPAGEVF TQEVAYELAE EEHLVFACGR YEGIDERFIE
     WARDEVRVRP LSLGDYVLNG GEVAVLAMVE AVTRLVPGVI GNPESLDEES HTGGLLEYPV
     YTKPAQWRER TVPDTLLSGH HGRIARWRRD QQLERTARRR PDMVLALDPA TLDRADLAVL
     AAEGFTLRDG QWQRCSPAPS EQAPEGARDM A