TRMB_LISMH
ID TRMB_LISMH Reviewed; 214 AA.
AC B8DHC7;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 03-MAR-2009, sequence version 1.
DT 03-AUG-2022, entry version 67.
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=LMHCC_0948;
OS Listeria monocytogenes serotype 4a (strain HCC23).
OC Bacteria; Firmicutes; Bacilli; Bacillales; Listeriaceae; Listeria.
OX NCBI_TaxID=552536;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HCC23;
RX PubMed=21602330; DOI=10.1128/jb.05236-11;
RA Steele C.L., Donaldson J.R., Paul D., Banes M.M., Arick T., Bridges S.M.,
RA Lawrence M.L.;
RT "Genome sequence of lineage III Listeria monocytogenes strain HCC23.";
RL J. Bacteriol. 193:3679-3680(2011).
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; CP001175; ACK39296.1; -; Genomic_DNA.
DR RefSeq; WP_012581232.1; NC_011660.1.
DR AlphaFoldDB; B8DHC7; -.
DR SMR; B8DHC7; -.
DR KEGG; lmh:LMHCC_0948; -.
DR HOGENOM; CLU_050910_2_1_9; -.
DR OMA; WRGAKTA; -.
DR UniPathway; UPA00989; -.
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; S-adenosyl-L-methionine; Transferase; tRNA processing.
FT CHAIN 1..214
FT /note="tRNA (guanine-N(7)-)-methyltransferase"
FT /id="PRO_1000149656"
FT ACT_SITE 118
FT /evidence="ECO:0000250"
FT BINDING 44
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 69
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 96
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 118
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 122
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 154
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 191..194
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
SQ SEQUENCE 214 AA; 24883 MW; D64346D5CC6BAB8F CRC64;
MRVKHKPWAK DRLEEFPAIY IKNPEDFKGQ WQEVFGNNNP IHIEIGSGKG QFISGMAKAN
PEINYIGIEM IESVLVSALD KAIEADVPNL RLVARDAKLL EECFEKGEVA QIYLNFSDPW
PKKRHTKRRL TNPTFLTIYE RLLPKAGEIH FKTDNRSLFE YSLVAFSEYN MLLTFVSLDL
HNSDYEGNIK TEYEEKFSAK GFPIYRLEAK FDRN