TRMB_BACFR
ID TRMB_BACFR Reviewed; 252 AA.
AC Q64P45;
DT 29-MAY-2007, integrated into UniProtKB/Swiss-Prot.
DT 25-OCT-2004, sequence version 1.
DT 03-AUG-2022, entry version 89.
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=BF3995;
OS Bacteroides fragilis (strain YCH46).
OC Bacteria; Bacteroidetes; Bacteroidia; Bacteroidales; Bacteroidaceae;
OC Bacteroides.
OX NCBI_TaxID=295405;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YCH46;
RX PubMed=15466707; DOI=10.1073/pnas.0404172101;
RA Kuwahara T., Yamashita A., Hirakawa H., Nakayama H., Toh H., Okada N.,
RA Kuhara S., Hattori M., Hayashi T., Ohnishi Y.;
RT "Genomic analysis of Bacteroides fragilis reveals extensive DNA inversions
RT regulating cell surface adaptation.";
RL Proc. Natl. Acad. Sci. U.S.A. 101:14919-14924(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; AP006841; BAD50737.1; -; Genomic_DNA.
DR RefSeq; WP_005791725.1; NZ_UYXF01000013.1.
DR RefSeq; YP_101271.1; NC_006347.1.
DR AlphaFoldDB; Q64P45; -.
DR SMR; Q64P45; -.
DR STRING; 295405.BF3995; -.
DR EnsemblBacteria; BAD50737; BAD50737; BF3995.
DR GeneID; 66331394; -.
DR KEGG; bfr:BF3995; -.
DR PATRIC; fig|295405.11.peg.3844; -.
DR HOGENOM; CLU_050910_2_2_10; -.
DR OMA; WRGAKTA; -.
DR UniPathway; UPA00989; -.
DR Proteomes; UP000002197; 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 PROSITE; PS51625; SAM_MT_TRMB; 1.
PE 3: Inferred from homology;
KW Methyltransferase; S-adenosyl-L-methionine; Transferase; tRNA processing.
FT CHAIN 1..252
FT /note="tRNA (guanine-N(7)-)-methyltransferase"
FT /id="PRO_0000288122"
FT ACT_SITE 125
FT /evidence="ECO:0000250"
FT BINDING 51
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 76
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 103
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 125
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 129
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 252 AA; 29479 MW; 99FB41C5CD8A87ED CRC64;
MGKNKLEKFA DMASYPHVFE YPYSAVDNVP FDMKGKWHKE FFKNDNPIVL ELGCGRGEYT
VGLGRMFPDK NFIAVDIKGA RMWTGATESL QAGMKNVAFL RTNIEIIDRF FAEGEVSEIW
LTFSDPQMKK ATKRLTSTYF MERYRKFLVS NGIIHLKTDS NFMFTYTKYM IEENGLPVEF
ITEDLYHSDL VDDILGIKTY YEQQWLDRGL SIKYIKFLLP QEGELREPDI EIELDSYRSY
NRSKRSGLQT SK
