ID TRMB_DROER Reviewed; 256 AA. AC B3P8V8; DT 05-MAY-2009, integrated into UniProtKB/Swiss-Prot. DT 02-SEP-2008, sequence version 1. DT 24-JAN-2024, entry version 65. DE RecName: Full=tRNA (guanine-N(7)-)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_03055}; DE EC=2.1.1.33 {ECO:0000255|HAMAP-Rule:MF_03055}; DE AltName: Full=tRNA (guanine(46)-N(7))-methyltransferase {ECO:0000255|HAMAP-Rule:MF_03055}; DE AltName: Full=tRNA(m7G46)-methyltransferase {ECO:0000255|HAMAP-Rule:MF_03055}; GN ORFNames=GG12652; OS Drosophila erecta (Fruit fly). OC Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota; OC Neoptera; Endopterygota; Diptera; Brachycera; Muscomorpha; Ephydroidea; OC Drosophilidae; Drosophila; Sophophora. OX NCBI_TaxID=7220; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=Tucson 14021-0224.01; RX PubMed=17994087; DOI=10.1038/nature06341; RG Drosophila 12 genomes consortium; RT "Evolution of genes and genomes on the Drosophila phylogeny."; RL Nature 450:203-218(2007). CC -!- FUNCTION: Catalyzes the formation of N(7)-methylguanine at position 46 CC (m7G46) in tRNA. {ECO:0000255|HAMAP-Rule:MF_03055}. 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_03055}; CC -!- PATHWAY: tRNA modification; N(7)-methylguanine-tRNA biosynthesis. CC {ECO:0000255|HAMAP-Rule:MF_03055}. CC -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000255|HAMAP-Rule:MF_03055}. CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase CC superfamily. TrmB family. {ECO:0000255|HAMAP-Rule:MF_03055}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CH954183; EDV45563.1; -; Genomic_DNA. DR RefSeq; XP_001982594.1; XM_001982558.2. DR AlphaFoldDB; B3P8V8; -. DR SMR; B3P8V8; -. DR EnsemblMetazoa; FBtr0132706; FBpp0131198; FBgn0104940. DR GeneID; 6555615; -. DR KEGG; der:6555615; -. DR eggNOG; KOG3115; Eukaryota. DR HOGENOM; CLU_050910_3_1_1; -. DR OMA; LPNYFAK; -. DR OrthoDB; 116813at2759; -. DR PhylomeDB; B3P8V8; -. DR UniPathway; UPA00989; -. DR Proteomes; UP000008711; Unassembled WGS sequence. DR GO; GO:0005634; C:nucleus; IEA:UniProtKB-SubCell. DR GO; GO:0008176; F:tRNA (guanine(46)-N7)-methyltransferase activity; IEA:UniProtKB-UniRule. DR GO; GO:0000049; F:tRNA binding; IEA:UniProtKB-UniRule. DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1. DR HAMAP; MF_03055; tRNA_methyltr_TrmB_euk; 1. DR InterPro; IPR029063; SAM-dependent_MTases_sf. DR InterPro; IPR025763; Trm8_euk. 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:SF16; TRNA (GUANINE-N(7)-)-METHYLTRANSFERASE; 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; Nucleus; RNA-binding; S-adenosyl-L-methionine; KW Transferase; tRNA processing; tRNA-binding. FT CHAIN 1..256 FT /note="tRNA (guanine-N(7)-)-methyltransferase" FT /id="PRO_0000370569" FT REGION 1..24 FT /note="Disordered" FT /evidence="ECO:0000256|SAM:MobiDB-lite" FT ACT_SITE 160 FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055" FT BINDING 79 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055" FT BINDING 102..103 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055" FT BINDING 137..138 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055" FT BINDING 157 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055" FT BINDING 235..237 FT /ligand="S-adenosyl-L-methionine" FT /ligand_id="ChEBI:CHEBI:59789" FT /evidence="ECO:0000255|HAMAP-Rule:MF_03055" SQ SEQUENCE 256 AA; 29372 MW; C91BA86AF1C78137 CRC64; MVATGGQAQK QSQNQKPDVL SPTSAVTGLP QKRYYRQRAH SNPIADHSFD YPARPEDVDW RSMYPSIQQG QQVSFADIGC GYGGFLVTLG EMFPEKLSIG MEIRVKVSDY VVDRIAALRR KCADTGAYQN VACLRTNAMK YLPNYFAKGQ LEKMFFLYPD PHFKRAKHKW RIINQALLSE YAYVLRKGGL VYTMTDVEDL HKWIVTHMEE HPLYERITEE EANADPITPK LYQSSEEGAK VVRNKGDHFL AIFRRL //