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
Sechium edule
Species name
Chayote (Sicyos edulis) is a species of eudicot in the family Cucurbitaceae (cucumber family).
Species info

Gene sequence info
Sechium_edule.CHS.fa
Download
>Sed0027664.1
MASIDEIRKAQRADGPATVLAIGTATPPHSILQSDYPDYYFRITNSEHMTHLKHKFTRMCEKSMIRKRHMHLTEEILGENPNMCAYMAPSLNARQDIVVAEVPKLGKKAAVKAIKEWGQVAKLLGLCPSVKRYMVYQQGCIAGGTVLRLAKDLAENNRRARVLVVCSERINCQMGFFFKSFYQNGAMTFRGASETHLDSMVGQALYGDGAAAVIVGSDPDAAVEQPLFELVWTGATTVPDSEGMIHNPFVEAKLGLKKEKMKATREVLREYGNMSSACVLFILDQMRKNSNGRRKFDDWRRARMGSSVRVWPRVDDRDGSAT
>Sed0015063.1
MASVDEIRKAQRADGPATVLAIGTATPQHSILQADYPDYYFRITKSEHMTNLKEKFTRMCEKSMIRKRHMHLTEEILLENPKMCAYMAPSLDARQDIVVVEVPKLGKEAAAKAIKEWGLPKSRITHLVFCTTSGVDMPGADYQLMKLLALRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNRGARVLVVCSEITAVTFRGPSETHLDSMVGQALFGDGAAAVIVGSDPEEGVERALFEMVWTGATVVPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLKEAFTPLGISDWNSLFWIAHPGGPAILDQVEEKLGLKKEKMRATREILSEYGNMSSACVLFILDQMRKNSMEEGNSTTGEGLEWGVLFGFGPGLTVETVVLHSVAIKDTAAN
>Sed0007414.1
MEASVDEIRKAQRADGVATVLAIGTATPPHCILQSKRNMHATEEILRENPNMCASGHSGSGGAKARQRGSSKGHQGMGPTPIQNHWHLIFCTTYGIDMPGADYQLLKLLGLCPSVKRYMMYQHGCFAGGTVLRVLVVCSEITAVTFRGPSETHLDSMVGQALFGDGAAAVIVGSDPEVGHLREAGLTFHLLKDVPGLISNNIEKSLKEAFTPLGISDWNSIFWIAHPGGPAILDQVEEKFRATREILSEYGNMSSACVMFILDIMRKNSMEEGKSSTGEGLEWGVLFGFGTGLTMETVVLHSINLKETTVKANEITDKSLTRMTKSTIINIAVKIFQCD
>Sed0001716.1
MSVSWRTLGLLVARVCSEDMRGVAETALSYAAVVQANTNSTGSCEDDGTGVGGKAASPRLACLLLMREGMSRVGAAVCNGVGANGSASSGGRCDADSLSLRRGHRGWWRCRPGRRRRGGHQGVGAAKSEITHLVFAPPPASTCPRADYQLMKLLALRPSVKRYMMYQRAATPRTVVLRLAKDLAENNRGARVLVVCSEITAVTFRGPSETHLDSMVGQSSLLKFKTKR
>Sed0018304.1
MSNMTCEGSDKLNHARAKRVPTPGKATILAIGKAFPSQLVPQECLAEGYIRDTKCEDATIKEKLERLCKTTTVKTRYTVMCKDILDKYPELVTEGSPTIRQRLEIANPAVVEMATEASKACIQEWGRSVEDITHIVYVSSSEIRLPGGDLYIANRLGLKNDVGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRILLTTSETTILGFRPPNNARPYDLVGAALFGDGAAAVIIGADPVPEQESPFMELNYAVQQFLPNTHNVIDGRLSEEGINFKLGRDLPQRIDDNIEEFCRKLMQKGKLVDFNDLFWAVHPGGPAILNKLESTLRLKSDKLECSRNALMDYGNVSSNTIFYVIENMRENLKKENGEEWGLALAFGPGITFEGILIRSL
MASIDEIRKAQRADGPATVLAIGTATPPHSILQSDYPDYYFRITNSEHMTHLKHKFTRMCEKSMIRKRHMHLTEEILGENPNMCAYMAPSLNARQDIVVAEVPKLGKKAAVKAIKEWGQVAKLLGLCPSVKRYMVYQQGCIAGGTVLRLAKDLAENNRRARVLVVCSERINCQMGFFFKSFYQNGAMTFRGASETHLDSMVGQALYGDGAAAVIVGSDPDAAVEQPLFELVWTGATTVPDSEGMIHNPFVEAKLGLKKEKMKATREVLREYGNMSSACVLFILDQMRKNSNGRRKFDDWRRARMGSSVRVWPRVDDRDGSAT
>Sed0015063.1
MASVDEIRKAQRADGPATVLAIGTATPQHSILQADYPDYYFRITKSEHMTNLKEKFTRMCEKSMIRKRHMHLTEEILLENPKMCAYMAPSLDARQDIVVVEVPKLGKEAAAKAIKEWGLPKSRITHLVFCTTSGVDMPGADYQLMKLLALRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNRGARVLVVCSEITAVTFRGPSETHLDSMVGQALFGDGAAAVIVGSDPEEGVERALFEMVWTGATVVPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLKEAFTPLGISDWNSLFWIAHPGGPAILDQVEEKLGLKKEKMRATREILSEYGNMSSACVLFILDQMRKNSMEEGNSTTGEGLEWGVLFGFGPGLTVETVVLHSVAIKDTAAN
>Sed0007414.1
MEASVDEIRKAQRADGVATVLAIGTATPPHCILQSKRNMHATEEILRENPNMCASGHSGSGGAKARQRGSSKGHQGMGPTPIQNHWHLIFCTTYGIDMPGADYQLLKLLGLCPSVKRYMMYQHGCFAGGTVLRVLVVCSEITAVTFRGPSETHLDSMVGQALFGDGAAAVIVGSDPEVGHLREAGLTFHLLKDVPGLISNNIEKSLKEAFTPLGISDWNSIFWIAHPGGPAILDQVEEKFRATREILSEYGNMSSACVMFILDIMRKNSMEEGKSSTGEGLEWGVLFGFGTGLTMETVVLHSINLKETTVKANEITDKSLTRMTKSTIINIAVKIFQCD
>Sed0001716.1
MSVSWRTLGLLVARVCSEDMRGVAETALSYAAVVQANTNSTGSCEDDGTGVGGKAASPRLACLLLMREGMSRVGAAVCNGVGANGSASSGGRCDADSLSLRRGHRGWWRCRPGRRRRGGHQGVGAAKSEITHLVFAPPPASTCPRADYQLMKLLALRPSVKRYMMYQRAATPRTVVLRLAKDLAENNRGARVLVVCSEITAVTFRGPSETHLDSMVGQSSLLKFKTKR
>Sed0018304.1
MSNMTCEGSDKLNHARAKRVPTPGKATILAIGKAFPSQLVPQECLAEGYIRDTKCEDATIKEKLERLCKTTTVKTRYTVMCKDILDKYPELVTEGSPTIRQRLEIANPAVVEMATEASKACIQEWGRSVEDITHIVYVSSSEIRLPGGDLYIANRLGLKNDVGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRILLTTSETTILGFRPPNNARPYDLVGAALFGDGAAAVIIGADPVPEQESPFMELNYAVQQFLPNTHNVIDGRLSEEGINFKLGRDLPQRIDDNIEEFCRKLMQKGKLVDFNDLFWAVHPGGPAILNKLESTLRLKSDKLECSRNALMDYGNVSSNTIFYVIENMRENLKKENGEEWGLALAFGPGITFEGILIRSL
Gene tree
Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University