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

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