ID   TRMB_CORU7              Reviewed;         282 AA.
AC   B1VEE1;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   03-AUG-2022, entry version 78.
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=cu0170;
OS   Corynebacterium urealyticum (strain ATCC 43042 / DSM 7109).
OC   Bacteria; Actinobacteria; Corynebacteriales; Corynebacteriaceae;
OC   Corynebacterium.
OX   NCBI_TaxID=504474;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 43042 / DSM 7109;
RX   PubMed=18367281; DOI=10.1016/j.jbiotec.2008.02.009;
RA   Tauch A., Trost E., Tilker A., Ludewig U., Schneiker S., Goesmann A.,
RA   Arnold W., Bekel T., Brinkrolf K., Brune I., Goetker S., Kalinowski J.,
RA   Kamp P.-B., Lobo F.P., Viehoever P., Weisshaar B., Soriano F., Droege M.,
RA   Puehler A.;
RT   "The lifestyle of Corynebacterium urealyticum derived from its complete
RT   genome sequence established by pyrosequencing.";
RL   J. Biotechnol. 136:11-21(2008).
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; AM942444; CAQ04130.1; -; Genomic_DNA.
DR   RefSeq; WP_012359436.1; NC_010545.1.
DR   AlphaFoldDB; B1VEE1; -.
DR   SMR; B1VEE1; -.
DR   STRING; 504474.cu0170; -.
DR   EnsemblBacteria; CAQ04130; CAQ04130; cu0170.
DR   GeneID; 60604970; -.
DR   KEGG; cur:cu0170; -.
DR   eggNOG; COG0220; Bacteria.
DR   HOGENOM; CLU_050910_0_2_11; -.
DR   OMA; PDPWHKS; -.
DR   OrthoDB; 1025521at2; -.
DR   UniPathway; UPA00989; -.
DR   Proteomes; UP000001727; 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..282
FT                   /note="tRNA (guanine-N(7)-)-methyltransferase"
FT                   /id="PRO_1000149654"
FT   REGION          1..42
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..35
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        177
FT                   /evidence="ECO:0000250"
FT   BINDING         102
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="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         154
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         177
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         181
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         213
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         261..264
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
SQ   SEQUENCE   282 AA;  31749 MW;  999421B764F4F223 CRC64;
     MTSSNNSPQD DHQQALSEEN SAPATEVTGG TGRRPLQTVF NDGRDYPRLS SFAFRRGTLT
     DNQEATWEAN WPRLGKELDE QVNEQYIDLD EWFGRHADTI VEIGSGTGTS TAAMAPLETD
     KNIVAVELYR PGLAKLVGAV SREGIENIRM IKGDGVEVLQ RMFRPESLAG VRIFFPDPWP
     KARHHKRRIV QTGTLHLIAS RLRPGGILHI ATDHAEYAEW IDELVNAEPQ LEYIGWPEEL
     ASGADDGRGH LGQLVDRQLL TKFEDKGLRK EHTIKEYLWT KK