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

Mikania micrantha

Species name

Bittervine (Mikania micrantha) is a species of eudicot in the family Asteraceae (daisy family).

Species info

Gene sequence info

Mikania_micrantha.ANR.fa

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>rna-gnl|WGS:SZYD|E3N88_mrna36965
MGSCRVCVTGGAGYIGSALVHSLLQNGYTVHATLRNLGDETKVKFLKSFPYAKERLHLFEADIYKPEEFEKAIQGCVYVFHVATPLQHTTGYTFNNTVEAAVTGVKKITNACIHSGTVKRLIYTASVVAASPLKEDDNGFGYKNTMDETCWTPSFHPNILYANDLLKDYTSSKTESEKELLRIGEEKANELEVVTLACGLVGGGGCMSYPATSVLLLISQIVNIDTSYQCLRYLEELLGKVPVVHIDDVCRAHIFCAETPSVSGRFLCASDYVTSAEIAKYYQETYPQLNEEYLEEHARDIKWGSKRLEEKGFAYKYNTKMILDDCIESAKGSGLISN
>rna-gnl|WGS:SZYD|E3N88_mrna37993
MERVCVTGAGGFVASWVVKELLAKGYIVHGTVRDPDDEKKNGHLKKLEHANERLHLFKADMVDHAGLCIAINGCAGVIHVATPVPAGKVTDPQAEMLEPAITGTRNVMNACLKSKVTKVVVVSSIAAVIGNPSWPKHTKMDENCWTDAEFCMKTELWYSAGKVISEHEALEFGKKNNLNVVSICPSIVFGPMLQSTLSTTNIILLNLFKGKNSFNLLELDKAEEDVDIPIVDVRDCVKALLLAFEKPEAEGRYVCSSHVLKTNALIKLLKSLFPHYNYPTVYVLLPYLFLFLLGLNQLFQKMERVCVTGAGGFVASWVVKELLAKGYIVHGTVRDPDDEKKNGHLKKLDYANDRLHLFKADMIDYAGLCTAINGCTGVIHVAMPVPAGKVTDPKAEMLEPAITGTRNVMNACLKSKVKKVVVVSSIAAVIVNPSWPKDTTMDENCWTDAEFCMKTELWYAVGKVISEHEALEFGKKNNLNVVSICPSIVFGPMLQSILCTTNIILLNLFKGKNSFNLLELDNADVDVDLPIVDVRDCVKALLLAFEKPEAEGRYVCSSHVLKTNDLIKLLKSLFPHYNYPTVSCRITTEDAWMLFQKGKRTRILANVGKKFDALLRPAKDEEN
>rna-gnl|WGS:SZYD|E3N88_mrna19460
MSGDGKVVCVTGASGFIASWIVKLLLDRGYTIRATVRSLDDPKKTQHLLDLDGAKERLSLFEANLTVEGSFDTAVNGCECVFHTASPVLFSVDDPQAQLIDPAIKGTLNVLKSATKVQGLKRVVLTSSMAAVMFVERPLESGVVVDESWSSDPLFCEQKKLWYHVSKTLAEDAAVKFAKENGLELVVINPGYVIGPALQPTLNLTIHGFMGIISTGKEVFSDGIYRLADVRDVANAHTLAFENPEANGRYCIVGKVVRSLEILKIADKLYPSLGHSERFKDGNCVEPLPYDVSRAKAERLGVKFTPLESTYELHSFRSMTGEGKVVCVTGASGFIASWLVKLLLDRGYTVHATVRSLYDPKKTQHLLDLDGAKERLSLFEANLTVEGSFDSAVNGCVCVFHTASPVLYSVDDPQAQLIDPAVKGTLNVLKSAAKVQALKPLEPDVVVDETWFSDALFCEQKQLWYELSKTMAEDAAVKFAKDNGLKLVVINPGFVIGPVLQPTLNFTSEGIMKLIKTGKEVFSGDIYRVVDVRDVATAHILAFENPEAHGRYCMVCKVVRSFEIMKIVDELYQGLGHSDRYKDGKRVETAPYNVSRVKAENLGVKFTPLKVIIKDTVESLKQKHMLSL

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