ID G4SV83_META2 Unreviewed; 229 AA.
AC G4SV83;
DT 14-DEC-2011, integrated into UniProtKB/TrEMBL.
DT 14-DEC-2011, sequence version 1.
DT 27-MAR-2024, entry version 65.
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 ECO:0000313|EMBL:CCE21859.1};
GN OrderedLocusNames=MEALZ_0158 {ECO:0000313|EMBL:CCE21859.1};
OS Methylotuvimicrobium alcaliphilum (strain DSM 19304 / NCIMB 14124 / VKM
OS B-2133 / 20Z) (Methylomicrobium alcaliphilum).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Methylococcales;
OC Methylococcaceae; Methylotuvimicrobium.
OX NCBI_TaxID=1091494 {ECO:0000313|EMBL:CCE21859.1, ECO:0000313|Proteomes:UP000008315};
RN [1] {ECO:0000313|Proteomes:UP000008315}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 19304 / NCIMB 14124 / VKM B-2133 / 20Z
RC {ECO:0000313|Proteomes:UP000008315};
RX PubMed=22207753; DOI=10.1128/JB.06392-11;
RA Vuilleumier S., Khmelenina V.N., Bringel F., Reshetnikov A.S., Lajus A.,
RA Mangenot S., Rouy Z., Op den Camp H.J., Jetten M.S., Dispirito A.A.,
RA Dunfield P., Klotz M.G., Semrau J.D., Stein L.Y., Barbe V., Medigue C.,
RA Trotsenko Y.A., Kalyuzhnaya M.G.;
RT "Genome sequence of the haloalkaliphilic methanotrophic bacterium
RT Methylomicrobium alcaliphilum 20Z.";
RL J. Bacteriol. 194:551-552(2012).
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; FO082060; CCE21859.1; -; Genomic_DNA.
DR RefSeq; WP_014146673.1; NC_016112.1.
DR AlphaFoldDB; G4SV83; -.
DR STRING; 1091494.MEALZ_0158; -.
DR KEGG; mah:MEALZ_0158; -.
DR PATRIC; fig|271065.3.peg.164; -.
DR HOGENOM; CLU_050910_0_1_6; -.
DR UniPathway; UPA00989; -.
DR Proteomes; UP000008315; Chromosome.
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 {ECO:0000256|HAMAP-Rule:MF_01057,
KW ECO:0000313|EMBL:CCE21859.1};
KW Reference proteome {ECO:0000313|Proteomes:UP000008315};
KW S-adenosyl-L-methionine {ECO:0000256|HAMAP-Rule:MF_01057};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01057, ECO:0000313|EMBL:CCE21859.1};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_01057}.
FT BINDING 60
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 85
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 112
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 135
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 139
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 171
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 208..211
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
SQ SEQUENCE 229 AA; 25743 MW; 3775E459CAFD76B7 CRC64;
MNSPDLSNAG KIRSFSRRQG RITAGQQQAL TDFWDKYGLE PGIECRFSEI FGREAPVIVE
IGFGNGDSLA DMAEANPDCD YIGIEVHRPG VGHLIMQLEA RELSNVRIFC HDAVEILARS
IPDQSLAGVH LFFPDPWPKK RHHKRRIVKP AFINLITTKL AQGGYFHCAT DWENYAEHML
AVLSNAPDLD NAEAGGGFSE RPSYRPLTKF ENRGLRLGHG VWDLIFRKN
//
