ID B4EUQ9_PROMH Unreviewed; 239 AA.
AC B4EUQ9;
DT 23-SEP-2008, integrated into UniProtKB/TrEMBL.
DT 23-SEP-2008, sequence version 1.
DT 27-MAR-2024, entry version 102.
DE RecName: Full=tRNA (guanine-N(7)-)-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01057};
DE EC=2.1.1.33 {ECO:0000256|HAMAP-Rule:MF_01057};
DE AltName: Full=tRNA (guanine(46)-N(7))-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01057};
DE AltName: Full=tRNA(m7G46)-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01057};
GN Name=trmB {ECO:0000256|HAMAP-Rule:MF_01057,
GN ECO:0000313|EMBL:CAR40856.1};
GN OrderedLocusNames=PMI0327 {ECO:0000313|EMBL:CAR40856.1};
OS Proteus mirabilis (strain HI4320).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Morganellaceae; Proteus.
OX NCBI_TaxID=529507 {ECO:0000313|EMBL:CAR40856.1, ECO:0000313|Proteomes:UP000008319};
RN [1] {ECO:0000313|EMBL:CAR40856.1, ECO:0000313|Proteomes:UP000008319}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HI4320 {ECO:0000313|EMBL:CAR40856.1,
RC ECO:0000313|Proteomes:UP000008319};
RX PubMed=18375554; DOI=10.1128/JB.01981-07;
RA Pearson M.M., Sebaihia M., Churcher C., Quail M.A., Seshasayee A.S.,
RA Luscombe N.M., Abdellah Z., Arrosmith C., Atkin B., Chillingworth T.,
RA Hauser H., Jagels K., Moule S., Mungall K., Norbertczak H.,
RA Rabbinowitsch E., Walker D., Whithead S., Thomson N.R., Rather P.N.,
RA Parkhill J., Mobley H.L.;
RT "Complete genome sequence of uropathogenic Proteus mirabilis, a master of
RT both adherence and motility.";
RL J. Bacteriol. 190:4027-4037(2008).
CC -!- FUNCTION: Catalyzes the formation of N(7)-methylguanine at position 46
CC (m7G46) in tRNA. {ECO:0000256|ARBA:ARBA00003015, ECO:0000256|HAMAP-
CC 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;
CC Evidence={ECO:0000256|ARBA:ARBA00000142, ECO:0000256|HAMAP-
CC Rule:MF_01057};
CC -!- PATHWAY: tRNA modification; N(7)-methylguanine-tRNA biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_01057}.
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_01057}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. TrmB family. {ECO:0000256|HAMAP-Rule:MF_01057}.
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DR EMBL; AM942759; CAR40856.1; -; Genomic_DNA.
DR RefSeq; WP_004244835.1; NC_010554.1.
DR AlphaFoldDB; B4EUQ9; -.
DR EnsemblBacteria; CAR40856; CAR40856; PMI0327.
DR GeneID; 6802641; -.
DR KEGG; pmr:PMI0327; -.
DR eggNOG; COG0220; Bacteria.
DR HOGENOM; CLU_050910_0_1_6; -.
DR UniPathway; UPA00989; -.
DR Proteomes; UP000008319; Chromosome.
DR GO; GO:0008176; F:tRNA (guanine(46)-N7)-methyltransferase activity; IEA:UniProtKB-UniRule.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 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 NCBIfam; TIGR00091; tRNA (guanosine(46)-N7)-methyltransferase TrmB; 1.
DR PANTHER; PTHR23417; 3-DEOXY-D-MANNO-OCTULOSONIC-ACID TRANSFERASE/TRNA GUANINE-N 7 - -METHYLTRANSFERASE; 1.
DR PANTHER; PTHR23417:SF14; PPR_LONG DOMAIN-CONTAINING PROTEIN; 1.
DR Pfam; PF02390; Methyltransf_4; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
DR PROSITE; PS51625; SAM_MT_TRMB; 1.
PE 3: Inferred from homology;
KW Methyltransferase {ECO:0000256|HAMAP-Rule:MF_01057,
KW ECO:0000313|EMBL:CAR40856.1};
KW S-adenosyl-L-methionine {ECO:0000256|HAMAP-Rule:MF_01057};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01057, ECO:0000313|EMBL:CAR40856.1};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_01057}.
FT REGION 150..155
FT /note="Interaction with RNA"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 69
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 94
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 121
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 144
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 148
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 180
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 217..220
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
SQ SEQUENCE 239 AA; 27478 MW; 1C27DCDAF943B684 CRC64;
MIKNVISPEF NEEGRALRRV RSFVRRQGRL TPRQEQALEK QWPIFGIEYQ PEPIDFSQVF
GRNAPVVLEI GFGMGASLVT MAKNSPENNY FGIEVHAPGV GACLASAQEE NISNLRVMCH
DAIEVLNHMI PDNSLQMVQL FFPDPWHKAR HNKRRIVQVP FAELILTKLA PNGVFHMATD
WEPYAEHMLE VMTSVDGYQN LSETQDYVPR PETRPVTKFE QRGHRLGHGV WDLMFKRVK
//
