TRMB_CLOB6
ID TRMB_CLOB6 Reviewed; 217 AA.
AC C3L0Q0;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 16-JUN-2009, sequence version 1.
DT 03-AUG-2022, entry version 68.
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=CLJ_B0576;
OS Clostridium botulinum (strain 657 / Type Ba4).
OC Bacteria; Firmicutes; Clostridia; Eubacteriales; Clostridiaceae;
OC Clostridium.
OX NCBI_TaxID=515621;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=657 / Type Ba4;
RA Shrivastava S., Brown J.L., Bruce D., Detter C., Munk C., Smith L.A.,
RA Smith T.J., Sutton G., Brettin T.S.;
RT "Genome sequence of Clostridium botulinum Ba4 strain 657.";
RL Submitted (MAY-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001083; ACQ53920.1; -; Genomic_DNA.
DR RefSeq; WP_003359782.1; NC_012658.1.
DR AlphaFoldDB; C3L0Q0; -.
DR SMR; C3L0Q0; -.
DR EnsemblBacteria; ACQ53920; ACQ53920; CLJ_B0576.
DR KEGG; cbi:CLJ_B0576; -.
DR HOGENOM; CLU_050910_2_1_9; -.
DR OMA; WRGAKTA; -.
DR UniPathway; UPA00989; -.
DR Proteomes; UP000002333; 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; S-adenosyl-L-methionine; Transferase; tRNA processing.
FT CHAIN 1..217
FT /note="tRNA (guanine-N(7)-)-methyltransferase"
FT /id="PRO_1000213438"
FT REGION 129..134
FT /note="Interaction with RNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
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 101
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 196..199
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
SQ SEQUENCE 217 AA; 26258 MW; B045BD8C1652AD50 CRC64;
MRLRKKWWAR PEIEASDKFA DEPKELRGKW NKKFNNNNDI HLELGCGRGG FISQLVEKNK
DINYVGIDLK DEVIVYAIRK VKEKEEEVKR EFKNIKFITM NIMGIAEVFD KNEISKIYIN
FCNPWPKERH NKRRLTHTKL LTEYKKFIKP NTEIWFKTDD KELFEDSQEY FKESGFNIEY
ITYDLHNSDF KENIKTEYET KFETMGMKIM FLKARLL