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

Dalbergia odorifera

Species name

Fragrant rosewood (Dalbergia odorifera) is a species of eudicot in the family Fabaceae (pea family).

Species info

Gene sequence info

Dalbergia_odorifera.ANR.fa

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>evm.model.scaffold_222.108
MERRGKVCVTGGASFIGSLLVEKLLAKGYIVHTTLTNLKNESKTSLLRGLPGADARLVLFEANIYKPDEYGPAVQGCDFVFHLATPFQHQPDSQFKDMTEAAVAGVKSIVAHCIKSGTVKRLIYTGSVTSSSPLKDDGTDCYKDFIDETCWTPLDHSFPNSHLHKSYTDSKTMAERELLSYGNDENGGGMEVVSLVVGLVGGDTLLSKTPGSVAVLICHLKDDESAYQSLKYLEDLDGKIPIAHIDDVCEAHIFCAENPSISGRFMVASAYASSADVANYYCQNYPEFHLKKKYLEGPKREIKWTSTKLIDKGSVFKYDLEMILDDCIKCARRIGDL
>evm.model.scaffold_233.28
MSEFCVTGGTGFIAAYLIKFLLEKGHTVRTIVRNPYDVEKISFLKELNGAKERLKILKDDLLLEGSFDEAVLGVDGVFHAASPVLVPYDNNVQATVIDPCIKGTLNVINSCIKANMKRVVLTFSCSSMRYRYDVQQLSSLNESHWSDPEYCTRYNLWYAYAKTIGEREALKIAKGKWNGSSGGFRGEYPNTTMGFVHISDVIAAHLLAMEEPKASGMLVCSSIVTHWSQIIEMLKAKYPSYPYENKCSTQEGDNNPHSMDTTKITQLGLPLFKTLEQMFDDYIQSVQDKGFL
>evm.model.scaffold_206.822
MSSNISRNYGVIFAPHIQAFRLQYPVVHSPNKQNCNAKPKPSPTRTTQNNNPTNPHSHPNQPLPKPDKHQTTMSSDQTTTTNEVVCVTGANGFIGSWLVHTLLHRHHPRYSIHATFLPSSDPSHLLTLHADAPSRLTLFPADILDSTAVSAAISGCSGVFHVASPCTLDDPSDPENDLFRPAVHGTLNVLRAAKETHARRVVFDEESWTDVEFCKERGKWYPVSKTAAEKAAWEFKEEHGGADVVAVLPATCLGRLLQKELNASSAVLQRLMMGSRETQEYHWLGAVHVRDVARAQVLLYENPSAEGRYLCTNGIYQFSSFAETVSKLYPDFPIYRFPEETQPGLTPCKDAARRLIDLGFVFTPVEDAVSEAVESLIAKGFLQRPPSRN
>evm.model.scaffold_69.372
MSSGAGKVVCVTGASGFIASWIVKFLLQRGYTVRATLRDPSNPKKVDHLLKLDGAKERLQLFKADLLEEGSFDSAIEGCDGVFHAAAPVLFSFKDPQAELIDPAVKGTLNVLQSCAKSPSVKRVVLTSSMAAVASSGRPKTPEVVVDETWFSDPVFCRESKRWYTVSKILAEDAAWKFVNEKNIDMVCINPSMVAGPLLQPEVNGSVEQILNLINVNGNCSVLIILLKVTSLNSKESALQILSSMHKNHGCEDDKPYLPTYQVSKEKARSLGVEFIPLEVELLDPAVKGTLNVLQSCAKSPSVKRVVLTSSISAVAFSERPKTPDVVVDETWFSDPDFCWESKLWYTLSKTLAEDAAWKFVNEKSIDMVSVIPSMVAGPLLQPEVNESVQPILNLINEFVSLVFLLWCEDDKPYVPTYQVSKEKAKSLGVEFIPLEVSIKETVESFREKKIVNF
>evm.model.scaffold_69.370
MSNNTGKVVCVTGASGYLASWIVKFLLELGYTVRATAELIDPAVKGTLNVLQSCAKSPSLKRVVLTSSMATVLFCGRPRTPEVVVDETWFSDADFCRESRLWYILSKTLAEDAAWKFVNKNSIDMVAILPSMVGGPLLQPEVNASVEPILNLINDKVSKEKVEFVGIELYVPTYQVSKEKAKSLGIEFIPLEVTIKETVESFRGKKIVNF

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University