Enzyme

This plant enzyme, involved in the biosynthesis of anthocyanidins, is known to act on (+)-dihydrokaempferol, (+)-taxifolin, and (+)-dihydromyricetin, although some enzymes may act only on a subset of these compounds. Each dihydroflavonol is reduced to the corresponding cis-flavan-3,4-diol. NAD+ can act instead of NADP+, but more slowly.

DFR

Enzyme

Dihydroflavonol 4-reductase

Enzyme name

EC:1.1.1.219

Entry

Oxidoreductases;Acting on the CH-OH group of donors;With NAD+ or NADP+ as acceptor

Class

(2R,3S,4S)-leucoanthocyanidin:NADP+ 4-oxidoreductase

Sysname

a (2R,3S,4S)-leucoanthocyanidin + NADP+ = a (2R,3R)-dihydroflavonol + NADPH + H+ [RN:R11500]

Reaction

(2R,3R)-dihydroflavonol [CPD:C21417];NADPH [CPD:C00005];H+ [CPD:C00080]

Product

Species information

Ipomoea nil

Species name

Japanese morning glory (Ipomoea nil) is a species of eudicot in the family Convolvulaceae (morning-glory family).

Species info

Gene sequence info

Ipomoea_nil.DFR.fa

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>rna-XM_019335625.1
MMHVCVTGGAGYLASFLIKTLLSRGYTVHATLRNLGDSTKVGLLKGLPGAETNLKLFEADIYRPDEFVPALHGCQVVLHLATPLLHNQQSSKYKNTSEAAVDGVRSIVEACIRAGTVKKLIYTASVMAAAPLSHEDATSFKDSMDETCWTPSNFPIPYPIDLLVNYVHSKTAAEKEVLSYNGRGIQVVSLACGLVGGRETLQSVIPESVGVIVSQVARDKNRYEMLRFLEELLSKVPLVHIQDVTAAHVFCIENSDINGRFLCANSYLKSVEIASYYQHHSPLITIPQEFIEDSMRETKWGSRKLEEAGFEYKYDYKMTLNGSLECAKKFCNLLN
>rna-XM_019327016.1
MVGGNHTPASPAPTVCVTGAAGFVGSWLVMKLLQRGYIVHATVRDPGNAQKVKHLLELPKAEGKLKVWKGVLEEEGSFDEAIAGCEGVFHVAAAVNFASKDPENEVIKPAVKGILSIINSCAKAKTVKKLVFTSSTAAVHIKETQQLEYDESSWSDLDFIYANKMGGWMYFASKTLAEKEAWKAAKEKQIEFISIIPPLVIGPFLIPTFPLSLVTALSPIMDPVGNGLHHNIIKQGKFVHLDDLCEAQIFLYQHPKAGGRFICSSHHATIHDVAKMIRHNWPEYYVPSEFKGIEKELPIVSFSSKKLQEMGFQFKYTLEDMYKGAIETLRKKGLLPYSTKEPADIEQEQHSGKEPKS
>rna-XM_019327030.1
MVDGNHPLLPPKVCVTGAAGFIGSWLVKTLLQRGYHIHATVRDPGNTKKVKHLLELPKADTNLTIWKGVMEEEGSFDEAIAGCEGVFHVATPMDFDSKDPENEVIKPAINGVLNIINSCVKAKTVKRLVFTSSAGTLNVQPQQKPVYDETCWSDLDFIYAKKMTGWMYFASKILAEKEAWKVTKEKKIDFISIIPPLVVGPFITPTFPPSLITALSLITGNQAHYSIIKQGQYVHLDDLCEAHIFLYEHPKAEGRFICSSHHTTIHGLADMITQNWPEYYIPSEFKGIEKDLPVVYFSSKKLQDMGFQFKYSLEDMYRGAIETLRKKGLLPYSTKEAAAIEEEQETVALKVEKPTAIEQKQEAKTVPLKPSAIEQKQETAVPLKLEEEPTAIEQKQEVVPLKA
>rna-XM_019327031.1
MSGGGRHAPTLPAPKVCVTGAAGYVGSWLVMKLLQRGYVVHATVRDPGNTKKVKHLLELPKAAEGKLRLWKGVLEEEGSFDDAIAGCEGVFHVAATPVDFVSDDPENEIIRPAVKGILSIINSCAKAKTVKRLVFTSSAVTLIVQENPKPVYDESSWSDLDLIYAKKMPGWMYFASKTQAEKEAWKAAKEKQIDFISIIPPLVIGASIVPTVPLSFTIALSPVTGNEAHYFVIKQGQYVHLDDLCEAQIFLFEHPKAEGRFICSSHDATIHDLAKMIRQNWPEYYVPSEFKGIEKDLPVVSLSSKKLLDMGFQFKYTLEDMYREVIETLRNKCVLPYSIKPPPKEQEWENGKTLEA
>rna-XM_019328577.1
MAAAPLSHEDATSFKDSMDETCWTPSNFPIPYPIDLLVNYVHSKAAAEKEVLSYNGKGIQVVSLACGLVGGRETLQSVIPESVGLIVSQVARDKNRYEMLRFLEELMSKVPLVHIQDVTAAHIFCIENSDINGRFLCANWYLKSVEIASYYQNHSPLITIPQEFIEDSMRETKWGSRKLEEAGFEYKYDYKMILSGSVECAKKFCNLLN

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University