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

Beta vulgaris

Species name

Beet (Beta vulgaris) is a species of eudicot in the family Chenopodiaceae.

Species info

Gene sequence info

Beta_vulgaris.AS1.fa

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>rna-XM_010682412.2
MATLSPPSITTMPTPLSTTFLPKTPQLPIGKKRIHNIRPTSKKVSCHTTNNDNQQQINPNSTNSPLFLDRRNMLIGLGGMCGTTITLGGGATNTLAAPIAPDVTACTLTDAQWDGSLGDHCCPPKFDPSTIVDFEFKNYPNKEIKVRRAAHLAMNDKKWLTDYKRATAIMKSLPMSDPRSFMQQARVHCAYCDGAYPVFGHTDQRLEVHASWLFASFHRWYLYFFERIMAKLINNPGFALPYWNWDHPDGMTIPEMFKDMDSPLYDPNRNEGHLSKVIDLSYNNVDHDYSDDKQIQENLLLMRKQMLYPTKPSVFFGAAYRAGDQANPDVGAGALELSPHNNVHSWTGSNTVRGGQDMGAFWSAGRDPIFYCHHSNVDRMWSIWRNDLPGRSRADIDDPDYLNAYFIFYDENAKPVKVYIKDSFDTEKLGYMYEEQDLPWLRKSVPSQPKAKITEEMVTFPKALDSVIQTKVIRPRKSRTKEEKEEKLEVLVINLELGMSSQQFIKFDVYVNDDYNHTPSEKTQIKPQFAGSFTSLTHRGDASGKAMEGMSGGKSKKTALNLAISKLLEDIGASDDDAIQVTIVPKIGTESIVITNIKIDFASQ
>rna-XM_010682411.2
MATLSSSTTTHTPLNTSFLLKSSQLSSFKNQSHFRRSAPSCKKVSCKTNKNEDELQPIQNPKNNTPLSLDRRNMLIGLGGMYGAAITLGGGSTNTLAAPIAPDVTACTLTDAQWDNSVGDHCCPPKFDPSKIVDFDFKNYPSPIMKVRRPAHKAMLDNEWLADYKRATAIMKSLPLSDPRNFMQQARVHCAYCDGAYPVLDHPDQRLEVHASWLFASFHRWYLYFFERIMAKLINKPGFALPYWNWDHPDGMRIPEMFKDIDSPLYDPNRNVNHLSRVIDLSFNNVEHDYPDEKQIQENLLLMRKQMLYPTKPSVFFGAAYRSGDAADPNAGAGALELSPHNNVHIWTGSKTIRSNQDMGAFWSAGRDSIFYCHHSNVDRMWSIWRNDLPGRSRLDLNDPDYLNAYFIFYDENANPVKVYVKDSFDTEKLGYKYEQQDLPWLFKSVATPAKPTITDTTVTFPKALDSVIKTKVERPRKSRTKDEKEEQEEVLLINLELGMSQEFIKFDVYVNDDSEHNPGEKTVVKPQYAGSYTSLTHRGAGSVGKLVGGAVRGMAGMAGMGGGKSKKSGLRLAITKLLEDIGASEDEAIQVTIVPISGSDSVVIGGVSIQYVA
>rna-XM_010682410.1
MASLSPSATSQSHTLLTTSFLPKAPQLSSFNKQSHFRRSAPSCKKVSCKTNKNEDELQPIQNPKNNSPLSLDRRNMLIGLGGMYGAAITNLSGGSANTLAAPIAPDMSACTLTDASWDGSVGDHCCPPAFDPSKLVNFEFDKYPSPVMKVRRPAQKAMLDEEWLADYKRATAIMKSLPMTDPRSFLQQARVHCAYCDGSYPVLDDPSKQRLEVHASWLFASFHRWYLYFFERILGKLINKPGFALPYWNWDHPDGMRIPEMFKDINSPLYDPNRNENHLSRVIDLSYNNIEHNYPDEQQIQENLLLMRKQMLYQTKPSVFFGAAYRLGDAADPNAGAGALELSPHNNVHVWTGSSSIRGNQDMGAFWSAGRDSIFYSHHSNVDRMWSIWRNDLPGRSRLDLDDPDYLDASFIFYDENALPVKVYVRDSFDTEKLGYKYEQQDLPWLVKSVARPDKPDITDTTVTFPKALNSVIKTKVVRPRKSRTKEEKEAEEEVLLINFEVGMTHELMKFDVYINDEYDHKPDEKTQVKPQYAGSFTSLTHKGGNMGTDKPKKSALRLAITKLLDDIGASEDEAIQVTLVPISGYETLVINNVSIDYVA
>rna-XM_010688262.2
MASLSPSTTTTTTTQNLSAVPRNALLSKSSQLSAFRSTQSRRGPAKISCNAANNNESNKFDRRNLLIGLGGLYGAATTLTGGNATLAAPTAPDATQCAPSTIDDGSTLLCCPPKPSQFVDFKLPTVNPKQLRLRPAAHLVDEQYLAKYSKALALMKALPDSDPRSFKNQANVHCAYCNGGYHQVGLPNIEFQVHGSWLFFPFHRAYLYFYERILAKLIDDPTFSLPYWNWDHPDGMYMPSMFDVEASPFYDAIRDQNHRPPTLMNLSYDGPDTVSNLTNEQQIAQNLAVMYKQMVANAKKPELFLGGPYRAGDPPGSTPGTLEVQPHGTIHNWTGNPPPNTPFWEDMGNFYSAGRDPIFYSHHANVDRTWSIWKSLSTTNKDFTDTDFLDSHFYFYDENAQPVKIYVRDVLDTKKLGYDYQPMDLPWLKSKPTPKRNRRPKKPAGKKPGKKPGKKPAKKVFSTVKNAGAAEAEAETDPVVPTVVFPKPLKNIIRTNLPRPRKSRTQNEKDDEEEILVIEVESRADVYSKFDVYVNDEDESPTLENRTQTEYAGSFVNVPHRHGGKDGHLKKTTVKFGLSELIDDLDANDDEGIDIIFVPRTGTDSVIIKDVRIEFQD
>rna-XM_010688373.1
MASLSPSTTTTPNLSAVPRNALLLKSSQLSAFRSTQSRRVPAKISCNAANNNESNKFDRRNLLIGLGGLYGAATTLTGGNATLAAPTAPDVNQCVPSTIGDSTLNCCPPKPSQFVDFKLPEVNPKQLRLRRPAHLVDQKYIAKYSEALAKMKALPDSDPRSFKNQANVHCAYCNGGYHQVGLPDIQFQVHGSWLFFPFHRAYLYFYERILGKLIKDPTFSIPYWNWDHPDGMYMPSMFDVEESPFYDAIRDQNHRPPALMNLSYDGPDTVSNLTNEEQIAQNLAIMYKQMVSGAKKPALFLGQPYRAGDPPVDNSGTLEVQPHGNIHVWTGNPPPNTPNWEDMGNFYSAGRDPIFYSHHANVDRTWSIWKSLSTTNKDFTDKDFLNSYFYFYDENAQPVKIHVRDVLDTKKMGYDYQPQDLPWLNSKPTPKRNRTPKPLKKVFSTVKNAVAAEPATDPVVPTVVFPKPLKNIIRTNLPRPRKSRTQKEKDDEEEILVIEVESRGDVYCKFDVYVNDEDESPTLENRTQTEYAGSFVNVPHRHVGKDGHLKKTTVKLGISELIDDLDANDDEGLDIIFVPRTGTDSVIIKDVRIEFQD
>rna-XM_010688266.2
MASLYFSPTTKSTNTNISAAEISTHLIPKTSQLSISRRLARRPTRKISCNVAKNDDQNPKTNHERSNNMLDRRNMLIGLGGLYGAATTLGGGPASLAAPVQTPNPTACGAADLPSNAQGLNCCPPRATNIVDFVLPPTPNTLRVRPPAHLVDDQYRQKFNRAISLMKALPSTDPRSFTQQANVHCAYCNGSYSPVGFPNLDLQVHNSWLFYPFHRWYLYFFERILGTLINDPTFAIPFWNWDTPAGMVMPALYTDPNSPLYDSVRDRAHQPPKVLDLNYDLTDANDLSNQQMISANLTLMYRQMVTNSSTARLFLGQPYRAGTRPNPGGGSVENVPHGTVHVWTGDRNQPNFEDMGNFYSAARDPLFYAHHANIDRMWSIWKTLGGNRQDFTETDWLDASFIFYDENAQAVRVRVRDCLNTARLGYNYQNVDLPWRNAQPLRTSRVSSISSTPQAANAMESKTTTTVKFPRPLNKSIRTNVARPKKSRSKSEKDREEEELVIEVDVLRHDKYAKFDVYINDEDDVPSKKMQVKAEYAGSFVNVPHRHKQGEDKHKLTTTFRVGLTELIQELGADDDDGITVNLVPRAGKDNVVIKNVKIEYDS
>rna-XM_010688263.2
MASFTPSTTTTTTTHNFSTITRNPLLTKSSQLSTFRSTQSRRIPSNISCNATNNDESNKFDRRNLLIGLGGLYGAATTLTSGNATLAAPTAPDATQCVPSKIDDGSPLQCCPPKPSQFVDFKLPKVNPKQLRLRPAAHLVDDKYLAKYSKALALMKALPDSDPRSFKQQADVHCAYCNGGYHQVGLPNLEFQVHGSWLFFPFHRAYLYFYERILGKLIDDPTFSIPYWNWDHPDGMYMPSMFNDKNSPFFDAIRDQNHLPPTLMNLSYDGPDTVSNLTNEQQIEQNLTIMYKQMVSNAKKPTLFLGASYRAGDPVNPGPGTLEIQPHGTVHNWTGNPPPNTPFWEDMGNFYSAARDPIFYAHHGNVDRTWSIWKDISRKHKDFKDKDFLNSYFYFYDENAKPVKIFVKDVLDTKKLGYDYQPMDLPWLKSRPTPKRNRRPKKLVKKVFSTVKNAVAAEADTNNPVVPTLVFPRKLDHIIRTNLARPRKSRTQEEKDDEEEVLVIDVESRSDVYSKFDVYVNDEDESPTLENRTQTEYAGSFVNVPHRHSGKDGHLKMTTIKFGLSELIDDLDANDDEGLDIIFVPRTGTDSVTIKDVRIEFQD
>rna-XM_019251137.1
MASLSPSTTTTTTTNNLSAVARNPSQSKSSQLSAFRSTQRRRIPSKISCNAANNNESNKFDRRNLLIGLGGLYGAATTLTGGNDTLAAPTAPDATQCVPAKIDDGSPLQCCPPKASQFLDFKLPKVNPNQLRFRPAAHLVDDEYLAKYSKALALMKALPDSDPRSFKNQANVHCAYCNGGYNQVGLPNLEFQVHGSWLFFPFHRAYLYFYERILANLIDDPTFSIPYWNWDHPDGMYMPSMFNDKNSPFFDAIRDQNHLPPTLMNLSYDGPDTVSELTNEQQIEQNLTIMYKQMVVNAKKPVLFLGAPYRAGDPVNPGPGTLEIQPHGTVHNWTGNPPPNTPFWEDMGNFYSAGRDPIFYAHHGNVDRTWSIWKNISPKNKDFKDTDFLNSYFYFYDENANPIKIFVKDVLDTKKLGYDYQQMDLPWLKSKPTPKRNRRPKKPAGKKPGKKPGKKPAKKVFSTVKNARAAEAEAEAEAETDPVVPTLVFPRPLDNIIRTNLARPRKSRTQQEKDDEEEVLVIDVESRSDVYSKFDVYVNDEDESPTLENRTQTEYAGSFVNVPHRHSGKDGHLKMTTIKFGLSELIDDLDANDDEGLDIIFVPRTGTDSVIIKDVRIEFQD
>rna-XM_019251136.1
MASLSPSTTTTTTTQNLSAVPRNALLSKSSQLSAFRSTQSRRVPAKISCNAANNNESNKFDRRNLLIGLGGLYGAATTLTSGNPTLAAPTAPDATQCAPSTIDDGSTLLCCPPKPSQFVDFKLPKVNPKQLRLRPAAHLVDEQYLAKYSKALALMKALPDSDPRSFKQQADVHCAYCNGGYHQVGLPNLEFQVHGSWLFFPFHRAYLYFYEKILGKLIDDPTFTIPYWNWDHPDGMYMPSMFNNQNSPFFDAIRDQNHLPPTLMNLSYDGPDTVSNLTNEEQINQNLAVMYKQMVANAKKPELFLGAPYRAGDPPGQSPGTLEVQPHGTIHNWTGNPPPNTPFWEDMGNFYSAGRDPIFYSHHANVDRTWSIWKSLSPKNKDFKDKDFLNSYFYFYDENAQPVKIYVRDVLDTKKMGYDYQPQDLPWLKSKPTPKRNRSPKPLKKVFSTVKNAVAAEPATDPVVPTVVFPKPLKNIIRTNLPRPRKSRTQNEKDDEEEILVIEVESRADVYSKFDVYVNDEDESPTLENRTQTEYAGSFVNVPHRHGGKDGHLKKTTVKFGLSELIDDLDANDDEGIDIIFVPRTGTDSVIIKDVRIEFQD
>rna-XM_010688265.2
MASLSPATTTTTPNLSAVPRNPLLSKSSQLSAFRATQTRRAPAKISCKAANNDESNKFDRRNLLIGLGGLYGAATTLTGGNVTLAAPTAPDATQCVPARIDDGSPLQCCPPTPSQFVDFKRPKVHPHKLRLRPAAHLVDDKYLAKYSKALALMKALPDSDPRSFKQQADVHCAYCNGGYHQVGLPNLEFQVHGSWLFFPFHRAYLYFYERILGKLIDDPTFSIPYWNWDHPDGMVMPSMFNDQNSPFFNAVRDQNHLPPNVLNLSYDGPDTVSNLTNEQQINQNLTIMYKQMVVNAKKPALFLGAPYRAGDPVNPGPGTLEVQPHGTIHNWVGNPPPNTPFWEDMGNFYSAGRDPIFYAHHANVDRTWSIWKNISPRNKDFRDKDFLNSYFYFYDENAKPVKIYVKDVLDTKKLGYDYQPMDLPWLKSKPTPKRNRRPKPLKKVFSTIKNAVAAETATDPVVPTVVFPKPLKNIIRTNLPRPRKSRTQNEKDDEEEILVIEVESRADVYSKFDVYVNDEDESPTLENRTQTEYAGSFVNVPHRHVGKDGHLKMTTVKFGLSELIDDLDANDDEGIDVIFVPRTGTDSVIIKDVRIEFQD

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University