2.1.1.267: flavonoid 3',5'-methyltransferase
This is an abbreviated version!
For detailed information about flavonoid 3',5'-methyltransferase, go to the full flat file.
Word Map on EC 2.1.1.267
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2.1.1.267
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anthocyanins
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flavonols
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petals
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petunia
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o-methylation
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malvidin
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delphinidin
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b-ring
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hybrida
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polymethoxylated
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madagascar
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eriodictyol
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fragrant
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cyclamen
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cyanidin
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dimethoxylated
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nonmethylated
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periwinkle
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3-o-glucoside
- 2.1.1.267
- anthocyanins
- flavonols
- petals
- petunia
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o-methylation
- malvidin
- delphinidin
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b-ring
- hybrida
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polymethoxylated
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madagascar
- eriodictyol
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fragrant
- cyclamen
- cyanidin
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dimethoxylated
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nonmethylated
- periwinkle
- 3-o-glucoside
Reaction
Synonyms
3'-OMT, A3'5'OMT, anthocyanin methyltransferase, anthocyanin O-methyltransferase, AnthOMT, AOMT, AOMT1, AOMT2, AOMT3, CdFOMT1, CdFOMT3, CdFOMT4, CdFOMT5, CdFOMT6, CrCOMT2, CrOMT2, EC 2.1.1.149, flavonoid 3',5'-O-dimethyltransferase, flavonoid O-methyltransferase, flavonoid-O-methyltransferase, FOMT1, FOMT3, FOMT4, FOMT5, FOMT6, methyltransferase, flavonoid, Mg2+-independent O-methyltransferase, More, NmAMT6, OMT2, OMT3, PsAOMT, PtAOMT, ROMT-15, ROMT-17, S-adenosylmethionine: anthocyanin 3'5'-methyltransferase, SlOMT3, ThAOMT, TMT5, type II OMT
ECTree
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General Information
General Information on EC 2.1.1.267 - flavonoid 3',5'-methyltransferase
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evolution
malfunction
metabolism
physiological function
additional information
evolution
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the catalytic activity of Paeonia tenuifolia PtAOMT is much lower than that of Paeonia suffruticosa PsAOMT (approximately 60fold lower), the two enzymes show identical substrate specificity
evolution
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the catalytic activity of Paeonia tenuifolia PtAOMT is much lower than that of Paeonia suffruticosa PsAOMT (approximately 60fold lower), the two enzymes show identical substrate specificity
evolution
the torenia A3'5'OMT shares 52-72% amino acid sequence identity with other AOMTs and belongs to the group A1 methyltransferase family that also includes caffeoyl CoA O-methyltransferase
the AOMT2 gene presents two SNPs associated with methylation level. These mutations, probably leading to a structural change of the AOMT2 protein, significantly affect the enzyme specific catalytic efficiency for the 3'-O-methylation of delphinidin 3-O-beta-D-glucoside
malfunction
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downregulation of AnthOMT in planta decreases the representation of methylated anthocyanins in tomato tissues as well as overall anthocyanin accumulation
CrOMT2 is involved in the biosynthesis of flavonol glycosides and anthocyanins in Catharanthus roeus
metabolism
partial overview over the anthocyanin biosynthetic pathway of Torenia hybrida
metabolism
spatiotemporal transcriptome analysis indicates that genes involved in the early part of the flavonoid biosynthetic pathway are strongly expressed during early-petal development and that those in the late part at late-flower opening stages, but they are rarely expressed in leaves
VvAOMT2 expression has no direct regulatory effect on anthocyanin methylation, transcriptional regulation of AOMTs and effects on anthocyanin methylation patterns, overview
physiological function
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role of the enzyme in the diversification of tomato anthocyanins
physiological function
the enzyme is involved in biosynthesis of the blue flower color of Nemophila menziesii, which is derived from a metalloanthocyanin, nemophilin. Nemophilin comprises petunidin-3-O-[6-O-(trans-4-coumaroyl)-beta-glucoside]-5-O-[6-O-(malonyl)-beta-glucoside], apigenin-7-O-beta-glucoside-4'-O-(6-O-malonyl)-beta-glucoside, and Mg2+ and Fe3+ ions
ratio of methylated/non-methylated anthocyanins in berry skin of 32 unrelated cultivars, QTL mapping of anthocyanin methylation level, overview
additional information
anthocyanidin analysis in Nierembergia petals expressing the Torenia A3'5'OMT gene, overview
additional information
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enzyme structure homology modeling using the three-domensional structure of caffeoyl-CoA 3-O-methyltransferase (CCoAOMT, PDB ID 1SUI) from alfalfa, substrate binding sites are predicted by docking Cy3G5G with the PsAOMT dimer 3D model. Molecular model of the PsAOMT active site. Structure-function analysis
additional information
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enzyme structure homology modeling using the three-domensional structure of caffeoyl-CoA 3-O-methyltransferase (CCoAOMT, PDB ID 1SUI) from alfalfa. Structure-function analysis