TRMB_LEPIN
ID TRMB_LEPIN Reviewed; 217 AA.
AC Q8F9Q1;
DT 16-JUN-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-MAR-2003, sequence version 1.
DT 03-AUG-2022, entry version 91.
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=LA_0140;
OS Leptospira interrogans serogroup Icterohaemorrhagiae serovar Lai (strain
OS 56601).
OC Bacteria; Spirochaetes; Leptospirales; Leptospiraceae; Leptospira.
OX NCBI_TaxID=189518;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=56601;
RX PubMed=12712204; DOI=10.1038/nature01597;
RA Ren S.-X., Fu G., Jiang X.-G., Zeng R., Miao Y.-G., Xu H., Zhang Y.-X.,
RA Xiong H., Lu G., Lu L.-F., Jiang H.-Q., Jia J., Tu Y.-F., Jiang J.-X.,
RA Gu W.-Y., Zhang Y.-Q., Cai Z., Sheng H.-H., Yin H.-F., Zhang Y., Zhu G.-F.,
RA Wan M., Huang H.-L., Qian Z., Wang S.-Y., Ma W., Yao Z.-J., Shen Y.,
RA Qiang B.-Q., Xia Q.-C., Guo X.-K., Danchin A., Saint Girons I.,
RA Somerville R.L., Wen Y.-M., Shi M.-H., Chen Z., Xu J.-G., Zhao G.-P.;
RT "Unique physiological and pathogenic features of Leptospira interrogans
RT revealed by whole-genome sequencing.";
RL Nature 422:888-893(2003).
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; AE010300; AAN47339.1; -; Genomic_DNA.
DR RefSeq; NP_710321.1; NC_004342.2.
DR RefSeq; WP_000249518.1; NC_004342.2.
DR AlphaFoldDB; Q8F9Q1; -.
DR SMR; Q8F9Q1; -.
DR STRING; 189518.LA_0140; -.
DR EnsemblBacteria; AAN47339; AAN47339; LA_0140.
DR KEGG; lil:LA_0140; -.
DR PATRIC; fig|189518.3.peg.143; -.
DR HOGENOM; CLU_050910_2_0_12; -.
DR InParanoid; Q8F9Q1; -.
DR OMA; PDPWHKS; -.
DR UniPathway; UPA00989; -.
DR Proteomes; UP000001408; Chromosome I.
DR GO; GO:0043527; C:tRNA methyltransferase complex; IBA:GO_Central.
DR GO; GO:0008176; F:tRNA (guanine-N7-)-methyltransferase activity; IBA:GO_Central.
DR GO; GO:0036265; P:RNA (guanine-N7)-methylation; IBA:GO_Central.
DR GO; GO:0030488; P:tRNA methylation; IBA:GO_Central.
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..217
FT /note="tRNA (guanine-N(7)-)-methyltransferase"
FT /id="PRO_0000171342"
FT ACT_SITE 123
FT /evidence="ECO:0000250"
FT BINDING 48
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 73
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT BINDING 100
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"
SQ SEQUENCE 217 AA; 25913 MW; 5DDFFCAEBEFAB967 CRC64;
MVQDLEQKLW SIASGIPFSS DYFLQASPIR KLKKENLFSK VFETYFLELG SGWGEVAISM
ALQRPNTGFI LMEKKFDRIR HTIREIEKHS LDNVKILCVN FNWFLEEVFE ENLFSEILLN
FPDPWPKKRH HKKRTVNSKF LESLKILLPE KGKFYFATDY GPYARKVIRL FRDSKAFSPE
KVELKSERNE IPVSHFERKK REEGKRIYYI DRVLVQK
