Enzyme

A copper-containing glycoprotein that plays a key role in the yellow coloration of flowers such as Antirrhinum majus (snapdragon). The enzyme is a homologue of plant polyphenol oxidase [1] and catalyses two separate chemical transformations, i.e. 3-hydroxylation and oxidative cyclization (2',-dehydrogenation). H2O2 activates reaction (1) but inhibits reaction (2). Originally considered to act on the phenol but now thought to act mainly on the 4'-O-beta-D-glucoside in vivo [4].

AS1

Enzyme

Aureusidin synthase

Enzyme name

EC:1.21.3.6

Entry

Oxidoreductases;Catalysing the reaction X-H + Y-H = X-Y;With oxygen as acceptor

Class

2',4,4',6'-tetrahydroxychalcone 4'-O-beta-D-glucoside:oxygen oxidoreductase

Sysname

(1) 2',4,4',6'-tetrahydroxychalcone 4'-O-beta-D-glucoside + O2 = aureusidin 6-O-beta-D-glucoside + H2O [RN:R08008];(2) 2',3,4,4',6'-pentahydroxychalcone 4'-O-beta-D-glucoside + 1/2 O2 = aureusidin 6-O-beta-D-glucoside + H2O [RN:R08010];(3) 2',3,4,4',6'-pentahydroxychalcone 4'-O-beta-D-glucoside + O2 = bracteatin 6-O-beta-D-glucoside + H2O [RN:R08009]

Reaction

aureusidin 6-O-beta-D-glucoside [CPD:C16409];H2O [CPD:C00001];bracteatin 6-O-beta-D-glucoside [CPD:C16410]

Product

Species information

Arachis ipaensis

Species name

Arachis ipaensis is a species of eudicot in the family Fabaceae (pea family).

Species info

Gene sequence info

Arachis_ipaensis.AS1.fa

Download
>rna-XM_016334322.1
NGGDDNIISKGNRRDVLIGLGGLGAAASFTYNPFAVANPVVTDQNSCGRPNLPAGAKPIPCCPPKATNISDFVFPSNQPLRVRKPAHLVTGDELAKYKEAIRLMRALPDDDPRSFTQQANIHCAYCHDSYALDSTLPPQVKVHFNWLFAPFHRWYLYFYERILGSLIKDPTFALPFWNWDHPDGMDIPAIFTDRRSSLFDAKRNANHQPPVLVDLDWNRRGVDTSGEVEKNYAKVYKCIADVKGPACFFGSSFQAGGGVSSAAGSLETLHNTCHSWTGDPTDPNGEDMGSFYSSGRDPIFYCHHSNVDRLWTIWKEKFGGVDLSDTDYLKSSFLFYDENKNLVRVTSEQCLDQSKLRYTYMDVPIPWQNAKPKPATNKAQRAALTPTPLNPPNLPLVLNSITSFAVKRQFKSRSKEEKAEREESLVFEVAFDKSKDVKFDVLVFWKGDPTQATPKDREFAGSFVNVSHAPNAKDTTAKFIIGITDLLDDLEADDEDNVEVTLVPQYGVVPVTINNAYVSYDECSFKT
>rna-XM_016334321.2
MASISPLSLVSSVNASATKTSSSSLFPKGRQSHVAATKVSCNASNEEASNGIAHGNRRDVLIGLGGLAGAAGFAYNPFALAAPVAPDLQACGLPTLPAGAKPVKCCPPASTKIIDFEFPKNQPLRVRKPAHKVTGDDLVKYKEAIKAMRELPDDDPRSFTQQAAIHCAYCHNSYHQVGFPDKDLQVHYSWIFLPFHRWYLYFYERILGSLINDPTFALPFWNWDNPDGMEIPSIFTDRRSSLYDALRNANHQPPVLVDLSWNRNGPDTSGDVDANLSLMYTNFVEVKAPLNFFGNAFRAGDTPYTVKTGAGTCESVHNTLHTWTGDRTQPNGEDMGSLYSAGRDPLFYCHHSNVDRMWNLWKSFGNKDITDPDFLESNFLFYDENKNLVRVKTKDCLDSVKLGYDFEKVPILWAKTKPKARRTKAERAQKPLTTKSVDLPLTLEENKLVSTVVKRPRRSRSRKEKDEREETLVFEIEFDRRKPIKFDVLLNEEEDAQFATPKNREFAGSFVNVSHTQKSSALKTELAFKIGITEKLIDLEADDDDSVVVTLVPQYGDGVIVKGIKIDYEDC
>rna-XM_016335498.2
MATLSPLSFLATTKVSASSPSLLPSSSRKPSKASHRIAKVSCNASNPEGEPQNNRRDVLVGLGGLGAAAATFSYNPLALADAVATDVHACNKPSLPPGAKPIACCPPNYENKEPIEYVIPKYTSLRIRTPAHDYADLDKYTKAITIMKSLPDDHPHSWTQQSRIHCAYCHNSYTQVGHKGVEMQVHFSWIFLPFHRWYLYFYERILGKLINDPTFALPFWNWDAPEGMEMPAIFTDRRSPLYNALRNQNHLPPTLVDLNWNGRSTGVDGSGDVEANLATMYRQVYEVKRPLCFYGKPYRAWIHRVGSSQHGS*LDR**NSA*H*GHGSSLFCCQRPHLLLSPRQHRQNVERLEILRKRGHHRP*LPERQLRLL*REPQPCHRQEQ*RLRHQEARLRLQTAGSSMAEIQAHAT*D*GAEARTESEEAGFAVHVEG*DSEHRCEEAADK*EPAGEGREGGVSGVHASVR*DEAFEVRCVDQ*RRGLQVGQP*VQGVCWKLRECVSCWSGRRRHRDHIHRWHNGSVGAVGC***RHHYRHSCSTVRRSGYY*GYQD*F*RM*VTL
>rna-XM_016338592.2
MANVINHPSRFLHLAISLIILIIFLIPLITFLNNNNSLIFTMITKPYFSYYLTSFNNQSHQSHYPWRFSWRNTFINSLEFEGNVNYPSSSNYSNDVSRAISPDFTKCGPVDLPPNAITSPYCCPTLATPFKFIDFKDYIINATYKYKNNSSIRVRRAAHLVDDEFIAKLEKGIAIMKSLPNDDPRNFIQQAKVHCAYCNGGYPQKHPFQDQKIDVHRSWLFFPFHRFYIYFFERILGTLIGDPSFALPYWNWDSIQGMQIPSYFTTPNSSLYHKLRHYKHMPPHLVDLNYDILSPKIRTQDQQISYNLAFMYKQMVLANTKELFMGSPYRLGDPAQPGPGSVELAPHNTIHDWLGAVDTPNHEDMGTFYTAARDPIFYAHHSNVDRLWELWTKLEGGRRDYRDDPNWLDSKFFFYDENLNLVRVKVRDCLDTKLLGYVYEEVDLPWLNVNPKPRRTKMQREAKKSSILASKPITKFPFVLDSKVSIIVKRPRKLRSKEEKEQEEEVLVIEVTELQSYENVKFDVHIDDDEDMLSDENHAEFVGTFVSLPHGNHGHKSNTRFMVGISKVLENLEAEEDDHIVVTLVPMIGKGDVTIGRINIQFMSK
>rna-XM_016338594.2
MSPFSRVLSTFFALIIVLFFLINTTTISTSFFTNINAFSHFLTTFHGKNNHHYSSNDHTDQPHISLWRSTWRNPFIAFKGINDISPSSVFNKKNISRAISPDIAKCGPVELPPNAITLPYCCPILPSPLKIIDFKEFAKPNAPLRVRKPIHLLDDEYMAKLEKGIAIMKSLPENDPRNYIQQAKVHCVYCNGGYPQKPPFQNLKIDIHRSWLFYPFHRWYIYFFERILGNLIGDPNFAVPYWSWDSIEGMQMPKYFADPNSSLYHNLRDPRHLPPYIVDLNYHVNAESTTQDQQVNYNLAFMYKQMVLADTKEVFMGGVYRHGDQAQPAIGSVELAPHNTVHKWVGRADLPSQEDMGTFYTAARDPIFYPHHSNLDRLWGIWTSLDGGRKDYRDDQDWLDSEFFFYDENLNLVRVNIRDSLDTKKLGYVYEEVELPWLNASPKPSRTKLQRQEKKASLLASSQDPITTTITKFPLVLDSKVSLVVNRPKKLRSKLEKEREEEVLVMEIVDLHSDKDVKFDVHIDDDEEMLSGPDKAEFVGTFTSVPHGSHKSKTKYLVAISKVLEILEAEEDENIVVTLAPIVGKGLVSIGSIMVEYIPK
>rna-XM_016326600.2
MSFTISSPSSFVSTINNVSTRNPKHQQVPNRIACNSSSSNNQNTNNESSSSSSETPRRNVLIGLGGLCGAYYTLSGNNNPFAYAAPISPPDLSTCGAPDLPNGAKPTNCCPPINTKIIDFKLPSNPPLRVRPAAHLVNDEYLAKYKKAVDLMKALPSDDPRNFTQQANIHCAYCDGAYHQVGFPDLDLQVHNSWLFFPFHRWYLYFHERILASLIDDPTFTLPFWNWDAPRGMQLPSIYADSKSPLYDKLRNPTHQPPTLVDLDFNIEDPNSKGQVSSNLSIMYRQVVSNGKTSRLFLGNPYRAGDDPDPGLGSLENVPHGPVHLWTGDINQPNGEDMGTFYSAARDPIFYCHHSNVDRMWSVWKSLGGKRKDFTDPDWLESGFLFYDDNKNLVRVRVKDCLDSKNLGYVYQDVDIPWLNAKPTPRRGLKAKKVAQRFGVGAALATEASRNAKFPLVLDSVVSTMVKRPKKSRSKKEKEEEEEVLVIEGIEFDRSVPVKFDVFINDEDDKVVGPNNTEFAGSFVSVPHSHKHKNKKIKTVLRLGLTDLLEDLEAEDDDKIMVTLVPRYGKGKVHISGIKIELVAD
>rna-XM_016324660.2
MASLNPLPTLSHSTFSSSFCPLFKSPNLNNNKAPKVGKPSQYHASRIFYSSSCKAKHNNGDNNNNNNNYNNKVDRRNILVGLGGLYGVAKTLTNEPLVSLAAPISPPNLTQCGPPDLPSGAKPVNCCPPVSSKIIDFTFPLNQKVKVRPAAHLADATYIRNYKEALRRMKALDPTDPRSFTQQANIHCAYCDGAYHQVGFPDLDLQIHNSWLFFPFHRWYLYFYERILASLIKDLDPNFAIPFWNWDSPKGMPMPSIFVDPKSTLYDSLRNKNHQPPKLVDLDFNGTEDNLPDKETIDANLKTMYRQMVSNSKTATLFFGSPYRAGDESDPGAGVVENIPHGPVHIWTGDNTQPNGEDMGNFYSAARDPIFFSHHSNVDRMWSIWKTLGGKRSEFNDVDWLESGFLFYDENKNLVRVKVKDCIDTKKLGYVYQEVEVPWLNTKPTPRRVRVKNAIKKGLHLGGVAHAAEEGAKFPLVLDSSVRVLVKRPKKGRSKREKEEEEEVLVVEGISFERDMAVKFDVYVNDEDDEVESGPTKTEFAGSFVSVPHKHKHKKGKMKTQWRVGITELLEELDAEDDEHVAVTLVPKIGKGQVTIGGINIQLLN

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University