ID A0A099D9H4_9ACTN Unreviewed; 237 AA.
AC A0A099D9H4;
DT 07-JAN-2015, integrated into UniProtKB/TrEMBL.
DT 07-JAN-2015, sequence version 1.
DT 27-MAR-2024, entry version 43.
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=CDG81_21960 {ECO:0000313|EMBL:ASU80497.1}, IL38_02890
GN {ECO:0000313|EMBL:KGI82833.1};
OS Actinopolyspora erythraea.
OC Bacteria; Actinomycetota; Actinomycetes; Actinopolysporales;
OC Actinopolysporaceae; Actinopolyspora.
OX NCBI_TaxID=414996 {ECO:0000313|EMBL:ASU80497.1, ECO:0000313|Proteomes:UP000215043};
RN [1] {ECO:0000313|EMBL:KGI82833.1, ECO:0000313|Proteomes:UP000029737}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YIM90600 {ECO:0000313|EMBL:KGI82833.1,
RC ECO:0000313|Proteomes:UP000029737};
RX PubMed=25250723;
RA Chen D., Feng J., Huang L., Zhang Q., Wu J., Zhu X., Duan Y., Xu Z.;
RT "Identification and Characterization of a New Erythromycin Biosynthetic
RT Gene Cluster in Actinopolyspora erythraea YIM90600, a Novel Erythronolide-
RT Producing Halophilic Actinomycete Isolated from Salt Field.";
RL PLoS ONE 9:E108129-E108129(2014).
RN [2] {ECO:0000313|EMBL:ASU80497.1, ECO:0000313|Proteomes:UP000215043}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YIM 90600 {ECO:0000313|EMBL:ASU80497.1,
RC ECO:0000313|Proteomes:UP000215043};
RA Yin M., Tang S.;
RT "The complete genome sequence of moderately halophilic actinomycete
RT Actinopolyspora erythraea YIM 90600, the producer of novel erythromycin,
RT novel actinopolysporins A-C and tubercidin.";
RL Submitted (AUG-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the formation of N(7)-methylguanine at position 46
CC (m7G46) in tRNA. {ECO:0000256|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: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; CP022752; ASU80497.1; -; Genomic_DNA.
DR EMBL; JPMV01000009; KGI82833.1; -; Genomic_DNA.
DR RefSeq; WP_043569894.1; NZ_KN214174.1.
DR AlphaFoldDB; A0A099D9H4; -.
DR KEGG; aey:CDG81_21960; -.
DR eggNOG; COG0220; Bacteria.
DR HOGENOM; CLU_050910_0_2_11; -.
DR OrthoDB; 9802090at2; -.
DR UniPathway; UPA00989; -.
DR Proteomes; UP000029737; Unassembled WGS sequence.
DR Proteomes; UP000215043; 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:ASU80497.1};
KW S-adenosyl-L-methionine {ECO:0000256|HAMAP-Rule:MF_01057};
KW Transferase {ECO:0000256|HAMAP-Rule:MF_01057, ECO:0000313|EMBL:ASU80497.1};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_01057}.
FT BINDING 66
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 91
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 118
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 141
FT /ligand="S-adenosyl-L-methionine"
FT /ligand_id="ChEBI:CHEBI:59789"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 145
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 177
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
FT BINDING 216..219
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01057"
SQ SEQUENCE 237 AA; 27091 MW; 68D413FC92B60BA8 CRC64;
MSASDQQVPH RRTVVSYVQR GERMTTGQQR AWDRYWEEFG HDISELPEGP LDTTGWFGRT
APLVLEIGSG MGETTARLAA DQPERDHLAV EVYKPGLAQL LARAEKLGVD NLRLLRGDAT
VLLREHIPED TLSEVRVFFP DPWPKKRHHK RRLVQPGFVA LVASRLRPGG VLHLATDWVS
YAEQMMEVCT AESRLRNRHA DQPGGWAPRP EWRPVTKFEN RAHAEGREVH DLIFERV
//
