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TRMB_MYCTA
ID   TRMB_MYCTA              Reviewed;         263 AA.
AC   A5TYT3;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-JUL-2007, sequence version 1.
DT   03-AUG-2022, entry version 80.
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=MRA_0216;
OS   Mycobacterium tuberculosis (strain ATCC 25177 / H37Ra).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium; Mycobacterium tuberculosis complex.
OX   NCBI_TaxID=419947;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 25177 / H37Ra;
RX   PubMed=18584054; DOI=10.1371/journal.pone.0002375;
RA   Zheng H., Lu L., Wang B., Pu S., Zhang X., Zhu G., Shi W., Zhang L.,
RA   Wang H., Wang S., Zhao G., Zhang Y.;
RT   "Genetic basis of virulence attenuation revealed by comparative genomic
RT   analysis of Mycobacterium tuberculosis strain H37Ra versus H37Rv.";
RL   PLoS ONE 3:E2375-E2375(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; CP000611; ABQ71933.1; -; Genomic_DNA.
DR   RefSeq; WP_003401204.1; NZ_CP016972.1.
DR   AlphaFoldDB; A5TYT3; -.
DR   SMR; A5TYT3; -.
DR   STRING; 419947.MRA_0216; -.
DR   EnsemblBacteria; ABQ71933; ABQ71933; MRA_0216.
DR   GeneID; 45424179; -.
DR   KEGG; mra:MRA_0216; -.
DR   eggNOG; COG0220; Bacteria.
DR   HOGENOM; CLU_050910_0_2_11; -.
DR   OMA; PDPWHKS; -.
DR   OrthoDB; 1025521at2; -.
DR   UniPathway; UPA00989; -.
DR   Proteomes; UP000001988; 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; S-adenosyl-L-methionine; Transferase; tRNA processing.
FT   CHAIN           1..263
FT                   /note="tRNA (guanine-N(7)-)-methyltransferase"
FT                   /id="PRO_1000136357"
FT   REGION          1..39
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        22..36
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        159
FT                   /evidence="ECO:0000250"
FT   BINDING         82
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         107
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         232..235
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
SQ   SEQUENCE   263 AA;  28547 MW;  5CECF14C9650AF07 CRC64;
     MVHHGQMHAQ PGVGLRPDTP VASGQLPSTS IRSRRSGISK AQRETWERLW PELGLLALPQ
     SPRGTPVDTR AWFGRDAPVV LEIGSGSGTS TLAMAKAEPH VDVIAVDVYR RGLAQLLCAI
     DKVGSDGINI RLILGNAVDV LQHLIAPDSL CGVRVFFPDP WPKARHHKRR LLQPATMALI
     ADRLVPSGVL HAATDHPGYA EHIAAAGDAE PRLVRVDPDT ELLPISVVRP ATKYERKAQL
     GGGAVIELLW KKHGCSERDL KIR
 
 
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