TRMB_MYCMS
ID TRMB_MYCMS Reviewed; 221 AA.
AC Q6MU75;
DT 19-JUL-2004, integrated into UniProtKB/Swiss-Prot.
DT 05-JUL-2004, sequence version 1.
DT 03-AUG-2022, entry version 97.
DE RecName: Full=tRNA (guanine-N(7)-)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01057};
DE EC=2.1.1.33 {ECO:0000255|HAMAP-Rule:MF_01057};
DE AltName: Full=tRNA (guanine(46)-N(7))-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01057};
DE AltName: Full=tRNA(m7G46)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_01057};
GN Name=trmB {ECO:0000255|HAMAP-Rule:MF_01057}; OrderedLocusNames=MSC_0166;
OS Mycoplasma mycoides subsp. mycoides SC (strain PG1).
OC Bacteria; Tenericutes; Mollicutes; Mycoplasmataceae; Mycoplasma.
OX NCBI_TaxID=272632;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PG1;
RX PubMed=14762060; DOI=10.1101/gr.1673304;
RA Westberg J., Persson A., Holmberg A., Goesmann A., Lundeberg J.,
RA Johansson K.-E., Pettersson B., Uhlen M.;
RT "The genome sequence of Mycoplasma mycoides subsp. mycoides SC type strain
RT PG1T, the causative agent of contagious bovine pleuropneumonia (CBPP).";
RL Genome Res. 14:221-227(2004).
CC -!- FUNCTION: Catalyzes the formation of N(7)-methylguanine at position 46
CC (m7G46) in tRNA. {ECO:0000255|HAMAP-Rule:MF_01057}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=guanosine(46) in tRNA + S-adenosyl-L-methionine = N(7)-
CC methylguanosine(46) in tRNA + S-adenosyl-L-homocysteine;
CC Xref=Rhea:RHEA:42708, Rhea:RHEA-COMP:10188, Rhea:RHEA-COMP:10189,
CC ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, ChEBI:CHEBI:74269,
CC ChEBI:CHEBI:74480; EC=2.1.1.33; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_01057};
CC -!- PATHWAY: tRNA modification; N(7)-methylguanine-tRNA biosynthesis.
CC {ECO:0000255|HAMAP-Rule:MF_01057}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. TrmB family. {ECO:0000255|HAMAP-Rule:MF_01057}.
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DR EMBL; BX293980; CAE76811.1; -; Genomic_DNA.
DR RefSeq; NP_975169.1; NC_005364.2.
DR AlphaFoldDB; Q6MU75; -.
DR SMR; Q6MU75; -.
DR STRING; 272632.MSC_0166; -.
DR EnsemblBacteria; CAE76811; CAE76811; MSC_0166.
DR KEGG; mmy:MSC_0166; -.
DR PATRIC; fig|272632.4.peg.176; -.
DR eggNOG; COG0220; Bacteria.
DR HOGENOM; CLU_050910_2_1_14; -.
DR OMA; WRGAKTA; -.
DR UniPathway; UPA00989; -.
DR Proteomes; UP000001016; Chromosome.
DR GO; GO:0008176; F:tRNA (guanine-N7-)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.150; -; 1.
DR HAMAP; MF_01057; tRNA_methyltr_TrmB; 1.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR InterPro; IPR003358; tRNA_(Gua-N-7)_MeTrfase_Trmb.
DR PANTHER; PTHR23417; PTHR23417; 1.
DR Pfam; PF02390; Methyltransf_4; 1.
DR SUPFAM; SSF53335; SSF53335; 1.
DR TIGRFAMs; TIGR00091; TIGR00091; 1.
DR PROSITE; PS51625; SAM_MT_TRMB; 1.
PE 3: Inferred from homology;
KW Methyltransferase; Reference proteome; S-adenosyl-L-methionine;
KW Transferase; tRNA processing.
FT CHAIN 1..221
FT /note="tRNA (guanine-N(7)-)-methyltransferase"
FT /id="PRO_0000171356"
FT ACT_SITE 123
FT /evidence="ECO:0000250"
FT BINDING 43
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 68
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 123
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 127
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 159
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 199..202
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
SQ SEQUENCE 221 AA; 26250 MW; D5F997239233E2D1 CRC64;
MRLRKKNWTD DFLNQHSFYL INYNNKKIDL KQIFLNNNPT CLEIGSGKGQ FITTLALKNL
NTNYIGMEKS STITGVALKK SLKEFENQLK DMTNLKYFNN FAEDLSQMFS SDSFNKIYLN
FSDPWPKTRH YKKRLTYVKF LDIYSDILIK NGYLEFKTDN DSLYNFTIEQ LNLTNKWEIV
INATDLYNNT EFLKDNIPTE YETKFHLANK NIYKIVIKNL K