ID A0A078FDK6_BRANA Unreviewed; 230 AA.
AC A0A078FDK6;
DT 29-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 29-OCT-2014, sequence version 1.
DT 27-MAR-2024, entry version 29.
DE RecName: Full=Trimethylguanosine synthase {ECO:0000256|ARBA:ARBA00018517};
GN Name=BnaC08g09540D {ECO:0000313|EMBL:CDY12465.1};
GN ORFNames=GSBRNA2T00061752001 {ECO:0000313|EMBL:CDY12465.1};
OS Brassica napus (Rape).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; malvids; Brassicales; Brassicaceae; Brassiceae; Brassica.
OX NCBI_TaxID=3708 {ECO:0000313|EMBL:CDY12465.1, ECO:0000313|Proteomes:UP000028999};
RN [1] {ECO:0000313|EMBL:CDY12465.1, ECO:0000313|Proteomes:UP000028999}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. Darmor-bzh {ECO:0000313|Proteomes:UP000028999};
RX PubMed=25146293; DOI=10.1126/science.1253435;
RA Chalhoub B., Denoeud F., Liu S., Parkin I.A., Tang H., Wang X., Chiquet J.,
RA Belcram H., Tong C., Samans B., Correa M., Da Silva C., Just J.,
RA Falentin C., Koh C.S., Le Clainche I., Bernard M., Bento P., Noel B.,
RA Labadie K., Alberti A., Charles M., Arnaud D., Guo H., Daviaud C.,
RA Alamery S., Jabbari K., Zhao M., Edger P.P., Chelaifa H., Tack D.,
RA Lassalle G., Mestiri I., Schnel N., Le Paslier M.C., Fan G., Renault V.,
RA Bayer P.E., Golicz A.A., Manoli S., Lee T.H., Thi V.H., Chalabi S., Hu Q.,
RA Fan C., Tollenaere R., Lu Y., Battail C., Shen J., Sidebottom C.H.,
RA Wang X., Canaguier A., Chauveau A., Berard A., Deniot G., Guan M., Liu Z.,
RA Sun F., Lim Y.P., Lyons E., Town C.D., Bancroft I., Wang X., Meng J.,
RA Ma J., Pires J.C., King G.J., Brunel D., Delourme R., Renard M., Aury J.M.,
RA Adams K.L., Batley J., Snowdon R.J., Tost J., Edwards D., Zhou Y., Hua W.,
RA Sharpe A.G., Paterson A.H., Guan C., Wincker P.;
RT "Plant genetics. Early allopolyploid evolution in the post-Neolithic
RT Brassica napus oilseed genome.";
RL Science 345:950-953(2014).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 5'-end (N(2),N(7)-dimethyl 5'-triphosphoguanosine)-
CC ribonucleoside in mRNA + S-adenosyl-L-methionine = a 5'-end
CC (N(2),N(2),N(7)-trimethyl 5'-triphosphoguanosine)-(ribonucleoside) in
CC mRNA + H(+) + S-adenosyl-L-homocysteine; Xref=Rhea:RHEA:67624,
CC Rhea:RHEA-COMP:17171, Rhea:RHEA-COMP:17315, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:57856, ChEBI:CHEBI:59789, ChEBI:CHEBI:167623,
CC ChEBI:CHEBI:172880; Evidence={ECO:0000256|ARBA:ARBA00024488};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:67625;
CC Evidence={ECO:0000256|ARBA:ARBA00024488};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 5'-end (N(7)-methyl 5'-triphosphoguanosine)-ribonucleoside
CC in mRNA + S-adenosyl-L-methionine = a 5'-end (N(2),N(7)-dimethyl 5'-
CC triphosphoguanosine)-ribonucleoside in mRNA + H(+) + S-adenosyl-L-
CC homocysteine; Xref=Rhea:RHEA:67620, Rhea:RHEA-COMP:17167, Rhea:RHEA-
CC COMP:17315, ChEBI:CHEBI:15378, ChEBI:CHEBI:57856, ChEBI:CHEBI:59789,
CC ChEBI:CHEBI:156461, ChEBI:CHEBI:172880;
CC Evidence={ECO:0000256|ARBA:ARBA00024618};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:67621;
CC Evidence={ECO:0000256|ARBA:ARBA00024618};
CC -!- SIMILARITY: Belongs to the methyltransferase superfamily.
CC Trimethylguanosine synthase family. {ECO:0000256|ARBA:ARBA00025783}.
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DR EMBL; LK032022; CDY12465.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A078FDK6; -.
DR STRING; 3708.A0A078FDK6; -.
DR PaxDb; 3708-A0A078FDK6; -.
DR EnsemblPlants; CDY12465; CDY12465; GSBRNA2T00061752001.
DR Gramene; CDY12465; CDY12465; GSBRNA2T00061752001.
DR OMA; QRVESWY; -.
DR OrthoDB; 5473515at2759; -.
DR Proteomes; UP000028999; Unassembled WGS sequence.
DR GO; GO:0005634; C:nucleus; IBA:GO_Central.
DR GO; GO:0071164; F:RNA trimethylguanosine synthase activity; IBA:GO_Central.
DR GO; GO:0036261; P:7-methylguanosine cap hypermethylation; IBA:GO_Central.
DR GO; GO:0009452; P:7-methylguanosine RNA capping; IEA:InterPro.
DR CDD; cd02440; AdoMet_MTases; 1.
DR Gene3D; 3.40.50.150; Vaccinia Virus protein VP39; 1.
DR InterPro; IPR019012; RNA_cap_Gua-N2-MeTrfase.
DR InterPro; IPR029063; SAM-dependent_MTases_sf.
DR PANTHER; PTHR14741; S-ADENOSYLMETHIONINE-DEPENDENT METHYLTRANSFERASE RELATED; 1.
DR PANTHER; PTHR14741:SF41; TRIMETHYLGUANOSINE SYNTHASE; 1.
DR Pfam; PF09445; Methyltransf_15; 1.
DR SUPFAM; SSF53335; S-adenosyl-L-methionine-dependent methyltransferases; 1.
PE 3: Inferred from homology;
KW Reference proteome {ECO:0000313|Proteomes:UP000028999}.
SQ SEQUENCE 230 AA; 25839 MW; BB0C73CF726F4361 CRC64;
MARKRKRSLL EQVINSPAEK EQSTSPKLTK YWLQRYDLFS RYDEGIQMDE EGWYSVTPEK
IAVKQAERCR GKVVIDCFSG VGGNTIQFAK VCSSVIAIDI DPVKVEMAIN NAMVYGVDDR
VDYVVGDFIH LAPSLKGDVL FLSPPWGGPM YNKVEIYTLD MLQPKDGYKL FQIAQTITPN
IIMFLPRNVD LAQLEELAWL SSPPLTLVIE ENCVGGRIKG ITAYFSCSAV
//
