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

Phyllostachys edulis

Species name

Kikko-chiku (Phyllostachys edulis) is a species of monocot in the family Poaceae (grass family).

Species info

Gene sequence info

Phyllostachys_edulis.DFR.fa

Download
>PH02Gene44960.t1
MGSTGGGSSDQEQAAAGRSAPVCVTGATGYVGSWLVRTLLRRGYRVHATARDPGKARQLVSAVEGKERLRMFRADMGEEGSFDDAVRGCVALLHVAASMELHVSPDQHDVDEHVRSHVLEPATRGTINVLQSCVRAGTVRRVVFTSSISTMTATGAEGRRKAVVDESCLRALDDVWSTKPIGWIYILSKRLTEEAAFRFAREKGIHLVSVVIPTVAGPFLTPSVPTSIQLLLSPMTGDPKLYSLLVSVHSRFGSIPLAHIQDVCDAHVFLMETAQADGRYLCAGGSYPMAQIAQLLSSHYPPFKPAERLSKDFNASNSSVVSSKRLMDLGFTFEYDVGDIVKGSVAQCVDHGFLEDTDSSSN
>PH02Gene14718.t1
MSGKGPVVVTGASGFVGSWLVMKLLQAGYTVRATVRDPSNVRKTKPLLELPGSKERLSVWKADLSEEGSFDEAIKGCTGVFHVATPMDFESKDPENEVIKPTVEGMLGIMRACKDAGTVKRVVFTSSAGTVNIEERQRPVYDQDNWSDIDFCRRVKMTGWMYFVSKSLAEKAAMEYAGENGLDLISIIPTLVVGPFISTGMPPSLVTALALITGNEAHYSILKQVQLVHLDDLCNAMIYLFEHPETNGRYICSSHDATIHGLARVLAEWFPEYGVPRKFGGVDDDLEPVRFSSKKLLDHGFRFRYTVEDMFNAAVRTCREKGLIPLAAAEGDGSARASGEPEAVLVREGPAVGAEI

Sheng jun & Dong yang Teams, Yunnan agriculture University