ID   TRMB_PARXL              Reviewed;         260 AA.
AC   Q13V14;
DT   29-MAY-2007, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 2.
DT   27-MAR-2024, entry version 95.
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};
GN   OrderedLocusNames=Bxeno_A3537; ORFNames=Bxe_A0859;
OS   Paraburkholderia xenovorans (strain LB400).
OC   Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Paraburkholderia.
OX   NCBI_TaxID=266265;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=LB400;
RX   PubMed=17030797; DOI=10.1073/pnas.0606924103;
RA   Chain P.S.G., Denef V.J., Konstantinidis K.T., Vergez L.M., Agullo L.,
RA   Reyes V.L., Hauser L., Cordova M., Gomez L., Gonzalez M., Land M., Lao V.,
RA   Larimer F., LiPuma J.J., Mahenthiralingam E., Malfatti S.A., Marx C.J.,
RA   Parnell J.J., Ramette A., Richardson P., Seeger M., Smith D., Spilker T.,
RA   Sul W.J., Tsoi T.V., Ulrich L.E., Zhulin I.B., Tiedje J.M.;
RT   "Burkholderia xenovorans LB400 harbors a multi-replicon, 9.73-Mbp genome
RT   shaped for versatility.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:15280-15287(2006).
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   -!- SEQUENCE CAUTION:
CC       Sequence=ABE32075.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP000270; ABE32075.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; WP_038457415.1; NZ_CP008760.1.
DR   AlphaFoldDB; Q13V14; -.
DR   SMR; Q13V14; -.
DR   STRING; 266265.Bxe_A0859; -.
DR   KEGG; bxb:DR64_3024; -.
DR   KEGG; bxe:Bxe_A0859; -.
DR   PATRIC; fig|266265.5.peg.3723; -.
DR   eggNOG; COG0220; Bacteria.
DR   OrthoDB; 9802090at2; -.
DR   UniPathway; UPA00989; -.
DR   Proteomes; UP000001817; Chromosome 1.
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; S-adenosyl-L-methionine; Transferase; tRNA processing.
FT   CHAIN           1..260
FT                   /note="tRNA (guanine-N(7)-)-methyltransferase"
FT                   /id="PRO_0000288131"
FT   REGION          1..37
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        12..26
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        165
FT                   /evidence="ECO:0000250"
FT   BINDING         90
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         115
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         142
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         165
FT                   /ligand="S-adenosyl-L-methionine"
FT                   /ligand_id="ChEBI:CHEBI:59789"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         169
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         201
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
FT   BINDING         236..239
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01057"
SQ   SEQUENCE   260 AA;  29078 MW;  433D83F9E3C279D8 CRC64;
     MIHDPNDAGL PDQLPTPSSE AENSPAGDTT PPEEALHRRR IRSFVTRAGR VSTGQRRAMD
     ELGPRFVVPF APQQPDWNSV FGREAPRVLE IGFGMGATTA EIASHRPDED FLGVEVHEPG
     VGALLKLMGE QNLSNIRIIQ HDAVEVLEQM IAPDSLDGVH IFFPDPWHKA RHHKRRLIQP
     KFVALLVSRL KPGAYLHCAT DWQNYAEQML EVLGAEPSLK NTADGYAPRP EYRPVTKFER
     RGLRLGHGVW DLVFRKRGAG
//