ID F9ZI70_9PROT Unreviewed; 221 AA.
AC F9ZI70;
DT 19-OCT-2011, integrated into UniProtKB/TrEMBL.
DT 19-OCT-2011, sequence version 1.
DT 24-JAN-2024, entry version 57.
DE RecName: Full=tRNA (guanine-N(7)-)-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01057};
DE EC=2.1.1.33 {ECO:0000256|HAMAP-Rule:MF_01057};
DE AltName: Full=tRNA (guanine(46)-N(7))-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01057};
DE AltName: Full=tRNA(m7G46)-methyltransferase {ECO:0000256|HAMAP-Rule:MF_01057};
GN Name=trmB {ECO:0000256|HAMAP-Rule:MF_01057};
GN ORFNames=NAL212_1398 {ECO:0000313|EMBL:ADZ26293.1};
OS Nitrosomonas sp. AL212.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Nitrosomonadales;
OC Nitrosomonadaceae; Nitrosomonas.
OX NCBI_TaxID=153948 {ECO:0000313|EMBL:ADZ26293.1, ECO:0000313|Proteomes:UP000001629};
RN [1] {ECO:0000313|EMBL:ADZ26293.1, ECO:0000313|Proteomes:UP000001629}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=AL212 {ECO:0000313|EMBL:ADZ26293.1,
RC ECO:0000313|Proteomes:UP000001629};
RA Lucas S., Copeland A., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Chertkov O., Held B., Detter J.C., Han C., Tapia R., Land M., Hauser L.,
RA Kyrpides N., Ivanova N., Mikhailova N., Pagani I., Suwa Y., Klotz M.G.,
RA Bollmann A., Stein L.Y., Laanbroek H.J., Arp D.J., Norton J.M., Woyke T.;
RT "Complete sequence of chromosome of Nitrosomonas sp. AL212.";
RL Submitted (FEB-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the formation of N(7)-methylguanine at position 46
CC (m7G46) in tRNA. {ECO:0000256|ARBA:ARBA00003015, ECO:0000256|HAMAP-
CC 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;
CC Evidence={ECO:0000256|ARBA:ARBA00000142, ECO:0000256|HAMAP-
CC Rule:MF_01057};
CC -!- PATHWAY: tRNA modification; N(7)-methylguanine-tRNA biosynthesis.
CC {ECO:0000256|HAMAP-Rule:MF_01057}.
CC -!- SIMILARITY: Belongs to the class I-like SAM-binding methyltransferase
CC superfamily. TrmB family. {ECO:0000256|HAMAP-Rule:MF_01057}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01057}.
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DR EMBL; CP002552; ADZ26293.1; -; Genomic_DNA.
DR AlphaFoldDB; F9ZI70; -.
DR STRING; 153948.NAL212_1398; -.
DR KEGG; nit:NAL212_1398; -.
DR eggNOG; COG0220; Bacteria.
DR HOGENOM; CLU_050910_0_1_4; -.
DR UniPathway; UPA00989; -.
DR Proteomes; UP000001629; Chromosome.
DR GO; GO:0008176; F:tRNA (guanine(46)-N7)-methyltransferase activity; IEA:UniProtKB-UniRule.
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 {ECO:0000256|HAMAP-Rule:MF_01057,
KW ECO:0000313|EMBL:ADZ26293.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000001629};
KW S-adenosyl-L-methionine {ECO:0000256|HAMAP-Rule:MF_01057};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01057, ECO:0000313|EMBL:ADZ26293.1};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_01057}.
FT BINDING 54
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 79
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 106
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 129
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 133
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 165
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 200..203
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
SQ SEQUENCE 221 AA; 25101 MW; 41D6FFD7991D4243 CRC64;
MQQTIRSFVL RQGRLSNAQR RACETLLPRH GIPFSESLLD LNHIFGRPAP KILEIGFGMG
ESTATIAKAH PQNDYLGIEV HAPGVGSLLN QIEQFGLTNL RIIQHDAVTV LHHMLPAGCL
DGIHIFFPDP WPKVRHHKRR LIQPALVTRL CTHLKSGGYI HVATDWEDYA VQILHVLRQE
SQLSNAAVDY APRPEYRPLT KFEQRGLKLG HDVWDLIFLR N
//
