TRMB_MANSM
ID TRMB_MANSM Reviewed; 249 AA.
AC Q65VT5;
DT 15-FEB-2005, integrated into UniProtKB/Swiss-Prot.
DT 29-MAY-2007, sequence version 2.
DT 03-AUG-2022, entry version 92.
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=MS0318;
OS Mannheimia succiniciproducens (strain MBEL55E).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Basfia.
OX NCBI_TaxID=221988;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=MBEL55E;
RX PubMed=15378067; DOI=10.1038/nbt1010;
RA Hong S.H., Kim J.S., Lee S.Y., In Y.H., Choi S.S., Rih J.-K., Kim C.H.,
RA Jeong H., Hur C.G., Kim J.J.;
RT "The genome sequence of the capnophilic rumen bacterium Mannheimia
RT succiniciproducens.";
RL Nat. Biotechnol. 22:1275-1281(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}.
CC -!- SEQUENCE CAUTION:
CC Sequence=AAU36925.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; AE016827; AAU36925.1; ALT_INIT; Genomic_DNA.
DR RefSeq; WP_041639493.1; NC_006300.1.
DR AlphaFoldDB; Q65VT5; -.
DR SMR; Q65VT5; -.
DR STRING; 221988.MS0318; -.
DR EnsemblBacteria; AAU36925; AAU36925; MS0318.
DR KEGG; msu:MS0318; -.
DR eggNOG; COG0220; Bacteria.
DR HOGENOM; CLU_050910_0_1_6; -.
DR OrthoDB; 1025521at2; -.
DR UniPathway; UPA00989; -.
DR Proteomes; UP000000607; 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..249
FT /note="tRNA (guanine-N(7)-)-methyltransferase"
FT /id="PRO_0000171346"
FT ACT_SITE 155
FT /evidence="ECO:0000250"
FT BINDING 80
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 105
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 132
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 155
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 159
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 191
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 228..231
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
SQ SEQUENCE 249 AA; 28908 MW; 7B6D09F79B9F9E09 CRC64;
MSEQKITFAD QKRKTVETAE FTEDGRYKRK VRSFVLRTGR LSEFQRNMMN DNWADFGLEH
QNNYFDFAEI YGNTNPVILE IGFGMGKSLV EMAEQNPERN YLGIEVHTPG VGACIAYAVE
KQVKNLRVIC HDATEILQDC IADDSLGGLQ LFFPDPWHKS KHHKRRIVQP NFVDNVMQKL
QQSGFIHMAT DWENYAEQML DVLSQSKALT NTSKTNDFIP RPDFRPLTKF EQRGHRLGHG
VWDLYFVKN