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

Aquilegia coerulea

Species name

Rocky mountain columbine (Aquilegia coerulea) is a species of flowering plant in the family Ranunculaceae (buttercup family).

Species info

Gene sequence info

Aquilegia_coerulea.AS1.fa

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>Aqcoe2G240400.1.p
MSLSFLATTTPTTTSFDRRSSKATHSVARTLIRKRFTPTTCEQKHEGNGVGVNAERSGIDRRDVLVGLGGLCGATATFGSNMAVGAPVQPPDLSACRLANDLQLVNRVDCCPPYGTTTITDFVLPDQSEPMRVRRSAEALASDPVYLEKFRRAVALMKALPADDPWNFMQQAQIHCAYCNDAYTQVGFPAVSLQLHGSWLFLPWHRYYIYFWEKILGKLIDDPTFAIPYWNYDQPSGMRFPDIYKNSPKDQNPLFDCIRNPEHLNGALMDYRYEFGDPSPTPEQEESVILENQKYLYNMFAENLFNPGNFMGQPISEGQTLNAPGTLENLHAIPHRFASQVERPRWHMGNFHTAARDPVFYAHHAQIDRLWTIYKERRAITTPEFPTDEWLEASFIFYDENRNVVKCKVRDCLDPTQLRYMYQTDEKAWLNIRRSYYTKKKAAPRSAGADELVAISEFGSEPRLLDTTIRVLVTRPKASRTQEEKDEAAENIFIDDFTFDHTDYAGFDVFVTKATEGLATADLGEFAGSFVHIPHAHGPSDHRNILHLGITYLLEDIADAEASEQLVVSIVPRSGEVTLTGVSIQLVPKEGTS*
>Aqcoe6G044700.1.p
MEAKRWLHAVLFTFVMVGLFASLVINVSNEEHTHMREEKNKLVSISTTFLWLKKIVSSLAFGDWQFNKVPVSEHPEKPHRVGLSPNTSSCHKSFAKPGFQVYCCPPKPESEEPVIDFEFPDPSVPLRIRKRVHLRDSDYIAKYTRALKIMKSLPYDDPRSFGRQADMHCIYCTGAYNQKYTNDILSIHRSWLFFPWHRMLIYFHERILASLIEDDTFSLSFWNWDAPEGMVTPDMYFKEPFIDTERSETHVRRPKVADINYNFVESNLKPEEQISKNLAFMYHQMVSGAKKVELFMGCTYKPGTNNSCDGPGTVELAPHNALHSWVGKESNRYLENMGVFYAAARDPIFYAHHSNIDRLWGVWKELRNNEPEIVDPDWLESYFYFHNEKSQLVRIKIRDVLNITKLGYDYEKIDHPWLNARPKPSMDPTIARHALNMRHNGYLTTQSSDFTPKGRTLDSTITVKVHRPKNQRKTENEEEILVVYGIDIKEDVYVKFDVYVNAIDATTIGPESTEFAGTYVSLPKGITLVLNEGEVKRKSKSTLKLGISELLDGLQANEEESLWVTLVPRGGTGVHTSVDGIRIEYMA*
>Aqcoe6G044800.1.p
MEAKRWFHALLFIFIIMVGLFANLVIIKISNVQHSHMRKQNDMNIVQNNQQVSISTPFLWLKNIVSSFASGDWQWDKVPVSKHPDKPHRVVFSPNLSSCHNSTNIWDFDPIHPVAFPVYCCPPKSESNEPVIDFEFPDLSAPLRVRKRAHLPDRDYIAKYARALSIMKSLPYDDPRSFGRQADIHCLYCTGAYNQKYTNEGLSIHRSWFFFPWHRMMIYFHERILASLIDDDTFSLSFWNWDAPEGMLTPEMYFEEPFIDIERSDNHVRRPKVADINYNYVDDFNLKPDEQISKNLAFMYHQMVSGAKKVELFMGCTYKRGTTGFCNGPGTIEVAPHNALHGWVGKDSNPYLENMGSFHSAARDPIFYAHHSNIDRLWGVWKELRNNVPEIIDPDWLDSYFYFHNEKSQLVRIKIRDVLNTTKLGYEYEQIDNPWLNARPKPSMDPAIARHALNTRHNGYLTAQSRDFRPKGRTLDSTITVKVHRPKRQRKTEDEEEVLVVHGIDVKENVYVKFDVYVNAINTSIIGPESTEFAGTYISLPHGRTLLLNQGDVKTKSKSTLKLGISELLNDLQANEEESIWVTLVPRGRTGVHTRVDGIQIEYIA*
>Aqcoe4G287500.1.p
MKGNRLLHAVLFTFIIVGLFGSLQVIKDSNNEEHTHMREQKNQQVSIISTSFLWFKNIASSLAFADWQFNKVPVSKNPEKPQKFGISPNLSSCHSSFANPVLVSMPVYCCPPNIESDEQIIDFEFPDPSEQLRIRKRAHMRDSDYIAKYASALSIMKSLPYDDPRSFARQADVHCIYCTGSYNKKHSNEFLNVHRSWFFFPWHRMYIYFHERILASLIDDDTFSLSFWNWDTPAGMVMPDMYFQEPFLDTERSDKHIHRPRVVNLDYNLVEINRTSEEQISHNLAVMYHQVVSGAKKMELFMGCIYKSGINGSCDGAGTVEQAPHDSLHGWVGKESNRYLEHMGVFYAAARDPIFFAHHANLDRIWNVWEELRNNEPEIVDPDWLDSYFFFHNEKSQLVRIKVRDVLNMTKLRYGYEKVDNLWLNARPKPSMDPTMARHALNTKHNGYLTAQSNDFRPNGRTLDSTITAKVQRPKNQRKAENEEEILVVYGIDTKEDVYIKFDVFVNAVDAITIGPESREFAGTYVNLPRGVTRVLNDGDVETKSKSTLKLGISELLDDLQANEEDSIWVTLVPRGGTGVHTSVEGIRIEYMA*
>Aqcoe1G318400.1.p
MSLSLLATSTVPSSSLLNVNPLRSNTKNRSTVRVGKKVAYTSCEQKQSNEGDSHTIDRRNVLLGLGGLYGASATIGSQGKIAMGAPVAPPDLSKCQLATDAANGEQVYCCPPYSSADIKPFVPPNDGILRKRKPAHKLNRKEIEDFKRGIQLMKELPETDPWSYYQQATIHCTYCNGAFDQVGFEDVLLQIHGSWLFTPWHRYYIYFWEKILGKLLKDPTFAIPYWSWDTPEGMYMPGMYLDRNSPLYDDNRNHNHFTALMDYDFTWGAPNPTPEQEEEVKIRNLKKIHNMFTETIGAPSLFLGGPLSAGQVPQDIAGALENQHGLPHQWTGPEAIPRHDMGNFYTAARDTMFFGHHANVDRLWDIYSDLRGNKVEFDNPDWLDASFIFYDENRQVVNCKVRDCLITENLGYTYTTERHAWKDIKRTYKKLQRGKKRSAGEGLSLIPVSEFGSAPRALNSTIRVLVPRPKVSRSTDEKEEFSEVVVVEGIKFGHGESTKFDVYIAKPIEGLVGPDLGELAGSFVRVTHTHHKKDKVETTSKIELGVTNLLDDIEAEASDSLVVSLVPQHGDVTIGGVRIDLFASDI*
>Aqcoe1G318200.1.p
MGSLSPLNYNTITTTSSPLYPFPLKKTKISAFGKPSINRVTRRVLITCNARNEESMGKLDRRNVLLGLGGLCGLSGLSATDNRLAMAAPIMPPDLSKCGPADFPPGSQPTNCCPPTDLKIVDFKLPSRSTPMRVRPAAHLVDDEYIAKYSRAIALMKALPDDDPRSFKQQANIHCAYCDGAYDQVGFPNLEVQVHNSWLFFPFHRYYIYFHEKILGSLIGDPTFALPYWNWDAPGGMRMPTLYADSNSALYDPLRDAKHQPPVMVDLDYDLIDPQISEQEQININLSIMYRSVVSNGKTAQLFLGSPYRAGDEPDPGPGSFENVPHGTVHLWAGDRTQPNNENMGNFYSAGRDPIFFCHHSNIDRMWTIWKGLGGKRKDFTDPDWLNAGFLFYDENKQLVRVKVRDCLDQKNLRYTYQEVDIPWLKTRPTAGKAKAPVAPKKASPRSLNSREESSNIFPRALDSVVKVKVARPKKSRSKKEKEDEEEILVIEGIEYDRDSMVKIDIYINDEDETTTNPAQSEFAGSFVNVPHKHGMKMKKLNTCLRLGIADLLEEIDAEDDDEIVVTLVPRQGKDVTIQGIKIVVAS*
>Aqcoe1G318300.1.p
MSLSLLATSTVPSSSLLNVNPLRSNTKNRSTVRVGKKVAYTSCEQKQSNEGDSHTIDRRNVLLGLGGLYGASATIGSQGKIAMGAPVAPPDLSKCQLATDEANGEQVYCCPPYSSADIKPFVPPNDSILRKRKPAHKLNRKEIEDFKRGIQLMKELPETDPWSYYQQATIHCTYCNGAFDQVGFEDVLLQIHGSWLFTPWHRYYIYFWEKILGKLLKDPTFAIPYWSWDTPEGMYMPGMYLDRNSPLYDDNRNHNHFTALMDYDFTWGAPNPTPEQEEEVKIRNLKKIHNMFTETIGAPSLFLGGPLSAGQVPQDIAGALENQHGLPHQWTGPEAIPYHDMGNFYTAARDTIFFGHHANVDRLWDIYSDLRGNKVEFDNPDWLDASFIFYDENRQMVNCKVRDCLITENLGYTYTTEQHAWKDIKRTYKKLQRGKKRSAGEGLSLIPVSEFGSTPRALNSTIRVLVPRPKVSRSTDEKEEFSEVVVVEGIKFGHGESTKFDVYIAKPIEGLVGPDLGELAGSFVRVTHTHHKKDKVETTSKIELGVTNLLDDIEAEASDSLVVSLVPQHGDVTIGGVRIDLFASDI*
>Aqcoe1G319100.1.p
MSLCTQLKVPFLNRRNINNLTNPSLSTQTFLQTSCVLKPFCKLNINRRNAVIGLTLLTTFTTTTTTNNQSLMAASVVSENGSSDQVLLTEFGSDPRQLNCTIRVIVPRPKSGFSEDETVEVLKVIDVDVPNNGSARFDVYVAKADGKDIVGSDLGEFAGTLIEEERLRFGKRALSLGVTNLVKRIGGENCEKLIVSLVPRDGELSIGGVRIDQIQAQ*
>Aqcoe1G319200.1.p
MSSKFLSTKTTFSPLGKTQHNPARGVLRPYVFSVRPNGLSNSVLCVLKDSKEGNGHGILNARKLIRVGFEELFGLAAIIFKKGMVENVSDHDTSDKQQDNEHSQLQQVSEFGSSPQLIDKTVQVLVKRPKRIKEAEVLLVDGIENLDKQEIVKFDVYIAKPFQDMVGSEYGEFVASEVDIVYPKNSWKGSLEVCITHLVKAIGAEDSENIVVTLVPKTGQLAIGGVQIVAKKVFGNLLIRNLFTYENDKRKNLVCINLKNEFQISKSITNDVSLVLWLMPYFILLFLFRDNWAELTKMLQ*
>Aqcoe5G231200.1.p
MDPKKWVLAALLIFILIGLSSNLFPRDSNNMQYTLKGQVKNMIISMVTAVSWLSSSGEVTTASNQNKKPGHVVLSPNLTSCHGSLTDGDRPIYCCPPKRESEERFIDFQFPDSSSPIRIRSPAHLVDKEYIAKYNKALTIMKSLPYEDPRSFLRQAHVHCIFCSGAYNQLHTNFLLKIHRSWLFFPWHRMMLYFHERILGSLIGDDTFALPFWNWDNPEGMFIPDMYMNGSFLDSQRERSHLPPQVADINFDYVERGLDPEDQIEANVAFMYHQMVSGAKKTELFMGCPYKSGEEGFCDGPGTIELAPHNALHTWVGNTQNPEYENLGAFYSAAKDPVFYAHHSNIDRLWDVWRGFRGNSDINDPDWLDSYFYFYDENAQNIRIRIRDVLDTTKLRYAYERTDNSWLNARPKPSVPPKIARHILKMRDIQNKLQSPNQISSPDFGPQGHTLDTTLRVRVPRPKTHRTKKEKEEEEEVLVIYGIEVKKDVYVKFDVFVNAVDETTIGPESREFAGTFVNMRRGVRIVMNKNDVATKRKTILKLGISELLEDLEADGDESIWVTLVPRGGTCINTTVDGVKIEYMQ*

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University