ID   TRMB_ACISJ              Reviewed;         251 AA.
AC   A1W7D2;
DT   29-MAY-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   03-AUG-2022, entry version 76.
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=Ajs_1981;
OS   Acidovorax sp. (strain JS42).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Comamonadaceae; Acidovorax; unclassified Acidovorax.
OX   NCBI_TaxID=232721;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JS42;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Dalin E., Tice H., Pitluck S., Chertkov O., Brettin T.,
RA   Bruce D., Han C., Tapia R., Gilna P., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Kim E., Stahl D., Richardson P.;
RT   "Complete sequence of chromosome 1 of Acidovorax sp. JS42.";
RL   Submitted (DEC-2006) 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}.
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; CP000539; ABM42157.1; -; Genomic_DNA.
DR   AlphaFoldDB; A1W7D2; -.
DR   SMR; A1W7D2; -.
DR   STRING; 232721.Ajs_1981; -.
DR   EnsemblBacteria; ABM42157; ABM42157; Ajs_1981.
DR   KEGG; ajs:Ajs_1981; -.
DR   eggNOG; COG0220; Bacteria.
DR   HOGENOM; CLU_050910_0_1_4; -.
DR   OMA; PDPWHKS; -.
DR   UniPathway; UPA00989; -.
DR   Proteomes; UP000000645; 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; Reference proteome; S-adenosyl-L-methionine;
KW   Transferase; tRNA processing.
FT   CHAIN           1..251
FT                   /note="tRNA (guanine-N(7)-)-methyltransferase"
FT                   /id="PRO_0000288113"
FT   REGION          1..29
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          165..170
FT                   /note="Interaction with RNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   ACT_SITE        159
FT                   /evidence="ECO:0000250"
FT   BINDING         84
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         109
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         136
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="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         163
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         195
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         230..233
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
SQ   SEQUENCE   251 AA;  27506 MW;  1A6DC5AB16355179 CRC64;
     MTQTLSSQDP QAPAAPPMPG AAGSAPADVA HPKGIKSYVR RAGRTTTGQA KALEELGPRY
     VLDYAPALLD ATAAFGRSAP LVLEIGFGMG EATAHIARVR PQDNFLCCEV HEPGVGALLK
     RIGEQDIHNI RILQHDAVEV LEHMLAPGAL DGVHIFFPDP WHKKRHNKRR LIQPPLVAQL
     AARLKPGGYI HCATDWQPYA EQMLEVLSAE PLLSNTAEGY APQPDYRPLT KFENRGMRLG
     HGVWDLVFTR R