Enzyme

The enzyme participates in the flavonoid biosynthesis pathway found in plants. It catalyses the double reduction of anthocyanidins, producing (2R,3R)-flavan-3-ol monomers required for the formation of proanthocyanidins. While the enzyme from the legume Medicago truncatula (MtANR) can use both NADPH and NADH as reductant, that from the crucifer Arabidopsis thaliana (AtANR) uses only NADPH. Also, while the substrate preference of MtANR is cyanidin>pelargonidin>delphinidin, the reverse preference is found with AtANR. cf. EC 1.3.1.112, anthocyanidin reductase [(2S)-flavan-3-ol-forming].

ANR

Enzyme

Anthocyanidin reductase

Enzyme name

EC:1.3.1.77

Entry

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

Class

(2R,3R)-flavan-3-ol:NAD(P)+ 3,4-oxidoreductase

Sysname

a (2R,3R)-flavan-3-ol + 2 NAD(P)+ = an anthocyanidin with a 3-hydroxy group + 2 NAD(P)H + H+ [RN:R07351 R07352]

Reaction

anthocyanidin with a 3-hydroxy group [CPD:C21381];NADH [CPD:C00004];NADPH [CPD:C00005];H+ [CPD:C00080]

Product

Species information

Spatholobus suberectus

Species name

Spatholobus suberectus is a species of eudicot in the family Fabaceae (pea family).

Species info

Gene sequence info

Spatholobus_suberectus.ANR.fa

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>rna-gnl|WGS:QUWT|mrna.E2542_SST10723
MSSSAGKLVCVTGASGYIASWIVKFLLQRDDHKKLEHLLKLEGAKERLQLFKVDVLAENSFDSVVEGCDGVFHTASPFYHNVKDPQMWYMLSKTLAEDAAWKFAKENNLDLVSVNPAMVVGPLLQAELNTSAAAILNLINGNFGLTVTLCCNEILLSALSVSGLYYMLSSKPNPTQLLFLSQVKLKRENMKIEILLC
>rna-gnl|WGS:QUWT|mrna.E2542_SST11123
MMGGGCKVCVTGASGYIGSWLVKKLLAKGYTVHATLRDLKNDSKVGLLKSLPESEGKLVLFEADIYNPSHFGPAIQGCEFVFHVATPLTHEPGSQEYQDITEAAVAGSKSIALSCVRAGTVKRLIYTASVVSASPLKEDGSGFKDAIDETCWTPVNDSLAYVYFDDPFYKDYTYSKTLSEKHLLSYGKDENGGGLEVVTLACGLVGGDTLQAFTPASAAVCIAQIMQNEKAYKSLKFLKELLGKIPLVHVDDVCDAHIFCMESTSINGRFLCASSYISLEEMANHYALHHPEFNVKQEYEDGPKKDIAWVLTKLCDKGFVYKYDAKMILDDCIKCARRMGDL
>rna-gnl|WGS:QUWT|mrna.E2542_SST16472
MANNIKQIGKKACVIGGSGFMASLLIKQLLEKGYAVNTTFRDPGNPQKISHLVALQSLGKLKIFGADLTVEEDFDAPVSGCELVFQFATPVNFDSEDPENDMIKPAIRGILNVLKACARAKEVKRVILTSSTAAVTINQLNGTGLVMDESNWTDVEYLNTAKPHSWGYPASKALAEKAAWKFAEENHIDLITVIPTLTTGPSITPDIPTSVGLATSLITGNDLFFKALTGMQLLSGSISITHVEDICRAHIFVAEKESASGRYIVCAHNTSVPALAEFLSKRYPQYKIPTVFDKIPYKAKLAISSEKLIKEGFSFKYRIEEIFDQTVEYLSSKGALKN

Sheng jun & Dong yang Teams, Yunnan agriculture University