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
Camptotheca acuminata
Species name
Camptotheca acuminata is a species of eudicot in the family Nyssaceae.
Species info

Gene sequence info
Camptotheca_acuminata.CHS.fa
Download
>Cac_g014516.t1
MGCGEMVHRGSLKKASPGKATILALGKAFPHQLVMQEFLVDGYFKNTNCDDPDLKQKLTRLCKTTTVKTRYVVMSEEILKKYPELAVEGLPTVKQRLDICNKAVTQMAIEASQACIKNWGRTISDITHLVYVSSSEARLPGGDVYLARGLGLSPETQRVMLYFMGCSGGVSGLRVAKDIAENNPGSRVLLATSETTIIGFKPPSVDRPYDLVGVALFGDGAGAMIIGSDPVSSIERPLFELRTAIQHFLPDTEKIIDGRLTEEGISFKLARELPQIIEDHIEGFCDKLMGIVGCCDKEYNKMFWAVHPGGPAILNRLEKKLDLSPEKLNASRRALSDYGNASSNTIVYVLEYMIEESLKMKENQGDCELGLILAFGPGITFEGILARNLIV*
>Cac_g019808.t1
MQGKCLFTLSCKQIFQAERKRDMGSEGIVQAHSLKKASPGKATILALGKAFPHQLVMQEFLVDGYFKNTNCDDPDLKQKLTRLCKTPTVKTRYVVMSEEILKNFPELAIEGRPTVRQRLDICNGAVTQMAIEASQACIKNWGRTISDITHLVYVSSSEARLPGGDVYLARGLGLSPETHRVLLYFMGCSGGVSGLRVAKDIAENNPGSRVLLATSETTIIGFKPPSVDRPYDLVGVALFGDGAGAMIIGSDPVSGIERPLFELHTAIQHFLPDTEKVIDGRLTEEGISFKLARELPQIIEDHIVGFCVKLMGIVGYCDKEYNKMFWAVHPGGPAILNRLEKKLDLFPEKLSASRRALADYGNASSNTIVYVLENMIEDNLNEKKGNHEDTEWGLILAFGPGITFEGILARNLTV*
>Cac_g010309.t1
MVTVEEVRKAQRAQGPATILAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFKRMCDKSMIKRRYMHLTEEILKENPSVCEYMAPSLDARQDMVVVEVPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDSHLDSLVGQALFGDGAAALIIGSDPVIGIEKPLFELVSAAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFQPLGITDWNSLFWIAHPGGPAILDQVEEKLAIKPEKLRATRHVLSEYGNMSSACVLFILDEMRKKSAEDGLKTTGEGLEWGVLFGFGPGLTVETVVLHSACT*
>Cac_g017730.t1
MVSVEQVRRSQRAQGPAAIMAIGTATPPNCIDQSTYPDYYFRITNSEHMTELKEKFKRMCNKSMIKKRYMHLTEEILKANPNVCAYMAPSLDARQDMVVVEVPKLGKEAATRAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDSHLDSLVGQALFGDGAAAIIIGSDPIPGVEKPLFELVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFQTLGISDWNSIFWIAHPGGPAILDQVEEKLGLKPEKLRATRHVLSEYGNMSSACVLFILDEMRKKSVEERLETTGEGLEWGVLFGFGPGLTVETVVLHSVSA*
>Cac_g010201.t1
MSATNGNGAPKYYHSVTKRVPMPGKATILAMGKAFPSQLIPQECLVEGYIRDTKCDDLAIKEKLERLSGLTIQLKFSYLLLGKTTTVKTRYTVMSKEILDKYPELATEGSPTIKQRLDIANPAVLEMAMEASIDCIKEWGRPVGDITHIVYVSSSEIRLPGGDLYLASQLGLRNDVGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRVLLTTSETTILGFRPPNKARPYDLVGAALFGDGAAAVIIGTDPLTGKESPFLELNYAVQQFLPNTQNVIDGRLSEEGINFKLGRDLPQRIEDNIEEFCKKLMAKAGLKNFNDLFWAVHPGGPAILNRLESTLNLRTEKLECSRRALMDFGNVSSNTIFYVMEYMKEELKREGGEEWGLALAFGPGITFEGILIRSL*
MGCGEMVHRGSLKKASPGKATILALGKAFPHQLVMQEFLVDGYFKNTNCDDPDLKQKLTRLCKTTTVKTRYVVMSEEILKKYPELAVEGLPTVKQRLDICNKAVTQMAIEASQACIKNWGRTISDITHLVYVSSSEARLPGGDVYLARGLGLSPETQRVMLYFMGCSGGVSGLRVAKDIAENNPGSRVLLATSETTIIGFKPPSVDRPYDLVGVALFGDGAGAMIIGSDPVSSIERPLFELRTAIQHFLPDTEKIIDGRLTEEGISFKLARELPQIIEDHIEGFCDKLMGIVGCCDKEYNKMFWAVHPGGPAILNRLEKKLDLSPEKLNASRRALSDYGNASSNTIVYVLEYMIEESLKMKENQGDCELGLILAFGPGITFEGILARNLIV*
>Cac_g019808.t1
MQGKCLFTLSCKQIFQAERKRDMGSEGIVQAHSLKKASPGKATILALGKAFPHQLVMQEFLVDGYFKNTNCDDPDLKQKLTRLCKTPTVKTRYVVMSEEILKNFPELAIEGRPTVRQRLDICNGAVTQMAIEASQACIKNWGRTISDITHLVYVSSSEARLPGGDVYLARGLGLSPETHRVLLYFMGCSGGVSGLRVAKDIAENNPGSRVLLATSETTIIGFKPPSVDRPYDLVGVALFGDGAGAMIIGSDPVSGIERPLFELHTAIQHFLPDTEKVIDGRLTEEGISFKLARELPQIIEDHIVGFCVKLMGIVGYCDKEYNKMFWAVHPGGPAILNRLEKKLDLFPEKLSASRRALADYGNASSNTIVYVLENMIEDNLNEKKGNHEDTEWGLILAFGPGITFEGILARNLTV*
>Cac_g010309.t1
MVTVEEVRKAQRAQGPATILAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFKRMCDKSMIKRRYMHLTEEILKENPSVCEYMAPSLDARQDMVVVEVPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDSHLDSLVGQALFGDGAAALIIGSDPVIGIEKPLFELVSAAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFQPLGITDWNSLFWIAHPGGPAILDQVEEKLAIKPEKLRATRHVLSEYGNMSSACVLFILDEMRKKSAEDGLKTTGEGLEWGVLFGFGPGLTVETVVLHSACT*
>Cac_g017730.t1
MVSVEQVRRSQRAQGPAAIMAIGTATPPNCIDQSTYPDYYFRITNSEHMTELKEKFKRMCNKSMIKKRYMHLTEEILKANPNVCAYMAPSLDARQDMVVVEVPKLGKEAATRAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDSHLDSLVGQALFGDGAAAIIIGSDPIPGVEKPLFELVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFQTLGISDWNSIFWIAHPGGPAILDQVEEKLGLKPEKLRATRHVLSEYGNMSSACVLFILDEMRKKSVEERLETTGEGLEWGVLFGFGPGLTVETVVLHSVSA*
>Cac_g010201.t1
MSATNGNGAPKYYHSVTKRVPMPGKATILAMGKAFPSQLIPQECLVEGYIRDTKCDDLAIKEKLERLSGLTIQLKFSYLLLGKTTTVKTRYTVMSKEILDKYPELATEGSPTIKQRLDIANPAVLEMAMEASIDCIKEWGRPVGDITHIVYVSSSEIRLPGGDLYLASQLGLRNDVGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRVLLTTSETTILGFRPPNKARPYDLVGAALFGDGAAAVIIGTDPLTGKESPFLELNYAVQQFLPNTQNVIDGRLSEEGINFKLGRDLPQRIEDNIEEFCKKLMAKAGLKNFNDLFWAVHPGGPAILNRLESTLNLRTEKLECSRRALMDFGNVSSNTIFYVMEYMKEELKREGGEEWGLALAFGPGITFEGILIRSL*
Gene tree
Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University