Enzyme

The enzyme catalyses the first committed step in the biosynthesis of flavonoids. It can also act on dihydro-4-coumaroyl-CoA, forming phloretin.

CHS

Enzyme

Chalcone synthase

Enzyme name

EC:2.3.1.74

Entry

Transferases;Acyltransferases;Transferring groups other than aminoacyl groups

Class

malonyl-CoA:4-coumaroyl-CoA malonyltransferase (cyclizing)

Sysname

3 malonyl-CoA + 4-coumaroyl-CoA = 4 CoA + naringenin chalcone + 3 CO2[RN:R01613]

Reaction

CoA [CPD:C00010];naringenin chalcone [CPD:C06561];CO2 [CPD:C00011]

Product

Species information

Antirrhinum majus

Species name

Snapdragon (Antirrhinum majus) is a species of eudicot in the family Plantaginaceae (speedwell family).

Species info

Gene sequence info

Antirrhinum_majus.CHS.fa

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>Am05g43880.T01
MIIGSKPVLNLEKPLFELHTAIQQFLPNTEKIIDGKLTEEGISFKLERELPQIIEDNIQGFCDELMGIAGFTEKDYNKLFWAVHPGGPAILNRLEKKMELLPEKLNASRRALADYGNASSNTIVYVLEYMLEEAKNVENGNEWGLMLAFGPGITFEGILTRNLSVGAE
>Am05g43870.T01
MGSEDTMQFSKNADHGKATILALGKAFPHQLVMQEFLVDGYFKNTNCDDPELKQKLTRLCKTTTVKTRYVVMSEEILKKYPELAIEGLPTVKQRLDICNAAVTEMAIEASQSCIKKWGRPVSDITHLVYVSSSEARLPGGDLYLAKGLGLCPNTSRVMLYFSGCSGGVAGLRVAKDIAENNPGSRVLIATSETTIIGFKPPSIDRPYDLVGVALFGDGAGAMIIGSKPVLNLEKPLFELHTAIQQFLPNTEKIIDGKLTEEGISFKLERELPQIIEDNIQGFCDELMGIAGFTEKDYNKLFWAVHPGGPAILNRLEKKMELLPEKLNASRRALADYGNASSNTIVYVLEYMLEEAKNVENGNEWGLMLAFGPGITFEGILTRNLSVGAE
>Am05g43900.T01
MIIGSKPVLNLEKPLFELHTAIQQFLPNTEKIIDGKLTEEGISFKLERELPQIIEDNIQGFCDELMGIAGFTEKDYNKLFWAVHPGGPAILNRLEKKMELLPEKLNASRRALADYGNASSNTIVYVLEYMLEEAKNVENGNEWGLMLAFGPGITFEGILTRNLSVGAE
>Am08g32080.T01
MLTAEEVRRAQRAQGPATVLGIGTAVPKNVFDQTKFPDYYFGVTNSEHLTEFKAKFERICKKSMVKKRHFHLTEEILKQNPDFCTLGAPSLDARHAITSVEVPKLGQEAALMAINEWGQPKSKITHLVFCTTTSIDLPGADYQLTKLLDLRPSIYRVMLHFQGCYGGTAALQVAKELAENNAGARVLTVCSDLTTLCFHSPDLNHVNNLIGQALFGDGASAAIVGSDPIPGVERPIFKLVLSRQALLPDSAHILNGQIKETGLIFNLSKEIPRVVSENIEKLMKDTFNPLGISDWNSLFWILHPAGPAIINKIEDKLKLKPEKLRHTRSMLAEYGNMWSQSVIFVMDEMRKRSAAEGRCSTGDGLDWGVMCAFGPGFTLHTIAMHSVPNTYIHLI
>Am04g40840.T01
MVTVEEVRRAQRAEGPATVLAIGTATPANCVDQSTYPDYYFRITNSEHMTELKEKFKRMCDKSNIKRRYMHLTEEILKENPAMCEYMAPSLDARQDIVVVEVPRLGKEAAQKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRFMMYQQGCFAGGTVLRMAKDLAENNAGARVLVVCSEITAVTFRGPADTHLDSLVGQALFGDGAAAVIVGSDPVVGVERPLFQIVTAAQTLLPDSHGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLKEAFDPLGISDWNSVFWIAHPGGPAILDQVEEKLGLKPEKLRSTRQVLSEYGNMSSACVLFILDEMRKSSAKEGMSTTGEGLDWGVLFGFGPGLTVETVVLHSVPLN
>Am01g40340.T01
MVTVEEVRRAQRAEGPATILAIGTATPANCVDQSTYPDYYFRITNSERMTDLKEKFKRMCEKSMIKKRYMHLTEEILKENPAMCEYMAPSLDARQDILVVEVPRLGKEAAQKAIKEWGQPKSKITHLVFCTTNGVDMPGADYQLTKLLGLRPSVKRFMIYHQGCFAGGTVLRMAKDLAENNVGARVLVVCSEISALIFRGPADTDLDSLVGQALFGDGAASVIVGSDPVVGVERPLFQLVSAAQTLLPDSHGAIDGHLREVGLTFHLSKAVPGLISKNIDKSLQEAFDPLGISDWNSVFWIAHPGGPAILDQIEEKLGLKPEKLRSSRHVLSEYGNMSSACVLFILDEMRNKSSEKEGMIGTTGEGLDWGVLFGFGPGLTVETVVLHSVPLN
>Am02g42680.T01
MSQSNNNGEAKQYLSAAKRTPTPGKATILAIGKAFPSQVVPQDCLVEGFIRDTKCYDADIKEKLERLCKTTTVKTRYTVMSKEILDQYPELATEGTPTIKQRLDIANPAVLKMAVDASLSCLTAWNRPKSDITHVVYVSSSEIRLPGGDLHLAAELGLNTDVNRVMLYFLGCYGGVTGLRVAKDIAENNPGSRVLLATSETTILGFRPPNRSRPYDLVGAALFGDGAAAAVIGADPVAGTESPFFELNYAVQQFLPGTGSVIDGYLSEEGINFRLGRDLPVKIEENIGGFCERLMKRSGSGDFNDLFWAVHPGGPAILNRLESKLGLRGEKLGCSRRALMDYGNVSSNTIFYVMEYMREELKNKKEENGDCEEWGLALAFGPGITFEGILLRSLE

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University