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
Fagus sylvatica
Species name
European beech (Fagus sylvatica) is a species of eudicot in the family Fagaceae (beech family).
Species info

Gene sequence info
Fagus_sylvatica.CHS.fa
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>Bhaga_12.g1719.t1
MVTVDEVRRAQRAEGPATVMAIGTATPPNCVDQSAYPDYYFRITNSEHKTELKEKFKRMCEKSMIKKRYMYLTEEILKENPNVCAYMSPSLDARQDMVVVEVPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAVIVGADPLPGVEKPLFELVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFQPLGISDWNSLFWIAHPGGPAILDQVELKLGLKPEKMRATRNVLSEYGNMSSACVLFILDDMRKKSAEDGLKTTGEGLEWGVLFGFGPGLTVETVVLHSVSA
>Bhaga_12.g3117.t1
MSMQYPVTCVVLLLGSCIFKNLPKMVGDNIENVLVEVFSLIGISDWNSLFYIVHPGGLKILDEIQQNLGLKEEKLRTSQHVLSEYGNMVVPCVIFFLDEMRKKSMEEVKTTTGDGLEWGVLFGFEPGLTVETIVLRSIPIDTPCVSAHDDA
>Bhaga_2.g1806.t1
MSRTNGNDSPNQYPAQTRRLPTPGKATILALGKAFPSQLIPQECLVEGYFRDTKCVDLSMKEKLERLCKTTTVKTRYTVMSKEILDKYPELATEGTPTIKQKLEIANPAVVEMAMEASLACIKEWGRPVQDITHIVYVSSSELRLPGGDLYLASQLGLRTDVGRVMLYFLGCYGGVSGLRVAKDIAENNPGSRDRPYDLVGAALFGDGAAAVIIGADPITGLESPFMELHFAVQQFLPDTHNVIDGKLSEEGINFKLGRDLPQKIEDNIEKFCRKLMAKGDLKDFNELFWAVHPGGPAILNRLENTLKLRSEKLECSRRALMDYGNVSSNTIFYVMDYMREEFKIEGEEWGLALAFGPGITFEGILIRSL
>Bhaga_2.g1801.t1
MSRTNGNDSPNQYPAQTRRLPTPGKATILALGKAFPSQLIPQECLVEGYFRDTKCVDLSMKEKLERLCKTTTVKTRYTVMSKEILDKYPELATEGTPTIKQKLEIANPAVVEMAMEASLACIKEWGRPVQDITHIVYVSSSELRLPGGDLYLASQLGLRTDVGRVMLYFLGCYGGVSGLRVAKDIAENNPGSRDRPYDLVGAALFGDGAAAVIIGADPITGLESPFMELHFAVQQFLPDTHNVIDGKLSEEGINFKLGRDLPQKIEDNIEKFCRKLMAKGDLKDFNELFWAVHPGGPAILNRLENTLKLRSEKLECSRRALMDYGNVSSNTIFYVMDYMREEFKIEGEEWGLALAFGPGITFEGILIRSL
>Bhaga_2.g1794.t1
MSRTNGNDSPNQYPAQTRRLPTPGKATILALGKAFPSQLIPQECLVEGYFRDTKCVDLSMKEKLERLCKTTTVKTRYTVMSKEILDKYPELATEGTPTIKQKLEIANPAVVEMAMEASLACIKEWGRPVQDITHIVYVSSSELRLPGGDLYLASQLGLRTDVGRVMLYFLGCYGGVSGLRVAKDIAENNPGSRVLLTTSETTILGFRPPNKDRPYDLVGAALFGDGAAAVIIGADPITGLESPFMELHFAVQQFLPDTHNVIDGKLSEEGINFKLGRDLPQKIEDNIEKFCRKLMAKGDLKDFNELFWAVHPGGPAILNRLENTLKLRSEKLECSRRALMDYGNVSSNTIFYVMDYMREEFKIEGEEWGLALAFGPGITFEGILIRSL
>Bhaga_3.g1283.t1
MGSEHIAQGCSTKVANPGKATILALGKAFPHQLVMQDYLVDGYFRDTNCDDPVLKQKLTRLCKTTTVKTRYVVMSEEILKKYPELAIEGLPTVRQRLDICNDAVTQMAVEASQACIKTWGRPISDITHLVYVSSSEARLPGGDLYLAKGLGLSPKTQRVLLYFMGCSGGVAGLRVAKDIAENNPGSRVLLATSETTIIGFKPPSANRPYDLVGVALFGDGAGAMIIGSDPVLGNEKPLFELHTAIQEFLPDTEKSIDGRLTEEGISFKLARELPQIIEDNIEGFCENLVKVAGFTDKEYSEMFWAVHPGGPAILNRMEKRLELSPEKLNASRRALMDYGNASSNTIVYVLEYMLEESLKIKKENQGDNEWGLILAFGPGITFEGILARNLTV
>Bhaga_3.g3343.t1
MGPTHLKHNTPYILHYFWQSGMDMAGADYQLTKLLGLNPSVNRYMIYLQGCYAGGTALRLAKDLAENNAGARVLVVCCDMITMFFHGPSETHLDILIGQALFADGAGATIIGANPDISIEHPLFELMWAQQSIIPDSECGIVGHIREMVHPGGPKILDKIQQNLGLKEEKLRASWHVLSEYGNMAGPCVIFVLDETRKKSMEEGKTTTSDGLEWGVLFGVGPGLTMETIVLHSIPIDTPCVSAHDDA
>Bhaga_8.g3434.t1
MASVEAIRKAQRAEGPATILAIGTATPSNCITQAEYPDYYFRITKSEHMTELKEKFKRMCDKSMIKKRYMHITEDILKESPNMCEYMAPSLDARQDIVVVEVPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDSHLDSLVGQALFGDGAAAVIVGADPDTSIERPLFQLVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGIISKNIEKALVEAFTPIGISDWNSLFWIAHPGGPAILDQVELKLGLKEEKLRSTRHVLSEFGNMSSACVLFILDEMRKSSVEEGKLSTGEGLEWGVLFGFGPGLTVETVVLHSVPVETTH
MVTVDEVRRAQRAEGPATVMAIGTATPPNCVDQSAYPDYYFRITNSEHKTELKEKFKRMCEKSMIKKRYMYLTEEILKENPNVCAYMSPSLDARQDMVVVEVPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAVIVGADPLPGVEKPLFELVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFQPLGISDWNSLFWIAHPGGPAILDQVELKLGLKPEKMRATRNVLSEYGNMSSACVLFILDDMRKKSAEDGLKTTGEGLEWGVLFGFGPGLTVETVVLHSVSA
>Bhaga_12.g3117.t1
MSMQYPVTCVVLLLGSCIFKNLPKMVGDNIENVLVEVFSLIGISDWNSLFYIVHPGGLKILDEIQQNLGLKEEKLRTSQHVLSEYGNMVVPCVIFFLDEMRKKSMEEVKTTTGDGLEWGVLFGFEPGLTVETIVLRSIPIDTPCVSAHDDA
>Bhaga_2.g1806.t1
MSRTNGNDSPNQYPAQTRRLPTPGKATILALGKAFPSQLIPQECLVEGYFRDTKCVDLSMKEKLERLCKTTTVKTRYTVMSKEILDKYPELATEGTPTIKQKLEIANPAVVEMAMEASLACIKEWGRPVQDITHIVYVSSSELRLPGGDLYLASQLGLRTDVGRVMLYFLGCYGGVSGLRVAKDIAENNPGSRDRPYDLVGAALFGDGAAAVIIGADPITGLESPFMELHFAVQQFLPDTHNVIDGKLSEEGINFKLGRDLPQKIEDNIEKFCRKLMAKGDLKDFNELFWAVHPGGPAILNRLENTLKLRSEKLECSRRALMDYGNVSSNTIFYVMDYMREEFKIEGEEWGLALAFGPGITFEGILIRSL
>Bhaga_2.g1801.t1
MSRTNGNDSPNQYPAQTRRLPTPGKATILALGKAFPSQLIPQECLVEGYFRDTKCVDLSMKEKLERLCKTTTVKTRYTVMSKEILDKYPELATEGTPTIKQKLEIANPAVVEMAMEASLACIKEWGRPVQDITHIVYVSSSELRLPGGDLYLASQLGLRTDVGRVMLYFLGCYGGVSGLRVAKDIAENNPGSRDRPYDLVGAALFGDGAAAVIIGADPITGLESPFMELHFAVQQFLPDTHNVIDGKLSEEGINFKLGRDLPQKIEDNIEKFCRKLMAKGDLKDFNELFWAVHPGGPAILNRLENTLKLRSEKLECSRRALMDYGNVSSNTIFYVMDYMREEFKIEGEEWGLALAFGPGITFEGILIRSL
>Bhaga_2.g1794.t1
MSRTNGNDSPNQYPAQTRRLPTPGKATILALGKAFPSQLIPQECLVEGYFRDTKCVDLSMKEKLERLCKTTTVKTRYTVMSKEILDKYPELATEGTPTIKQKLEIANPAVVEMAMEASLACIKEWGRPVQDITHIVYVSSSELRLPGGDLYLASQLGLRTDVGRVMLYFLGCYGGVSGLRVAKDIAENNPGSRVLLTTSETTILGFRPPNKDRPYDLVGAALFGDGAAAVIIGADPITGLESPFMELHFAVQQFLPDTHNVIDGKLSEEGINFKLGRDLPQKIEDNIEKFCRKLMAKGDLKDFNELFWAVHPGGPAILNRLENTLKLRSEKLECSRRALMDYGNVSSNTIFYVMDYMREEFKIEGEEWGLALAFGPGITFEGILIRSL
>Bhaga_3.g1283.t1
MGSEHIAQGCSTKVANPGKATILALGKAFPHQLVMQDYLVDGYFRDTNCDDPVLKQKLTRLCKTTTVKTRYVVMSEEILKKYPELAIEGLPTVRQRLDICNDAVTQMAVEASQACIKTWGRPISDITHLVYVSSSEARLPGGDLYLAKGLGLSPKTQRVLLYFMGCSGGVAGLRVAKDIAENNPGSRVLLATSETTIIGFKPPSANRPYDLVGVALFGDGAGAMIIGSDPVLGNEKPLFELHTAIQEFLPDTEKSIDGRLTEEGISFKLARELPQIIEDNIEGFCENLVKVAGFTDKEYSEMFWAVHPGGPAILNRMEKRLELSPEKLNASRRALMDYGNASSNTIVYVLEYMLEESLKIKKENQGDNEWGLILAFGPGITFEGILARNLTV
>Bhaga_3.g3343.t1
MGPTHLKHNTPYILHYFWQSGMDMAGADYQLTKLLGLNPSVNRYMIYLQGCYAGGTALRLAKDLAENNAGARVLVVCCDMITMFFHGPSETHLDILIGQALFADGAGATIIGANPDISIEHPLFELMWAQQSIIPDSECGIVGHIREMVHPGGPKILDKIQQNLGLKEEKLRASWHVLSEYGNMAGPCVIFVLDETRKKSMEEGKTTTSDGLEWGVLFGVGPGLTMETIVLHSIPIDTPCVSAHDDA
>Bhaga_8.g3434.t1
MASVEAIRKAQRAEGPATILAIGTATPSNCITQAEYPDYYFRITKSEHMTELKEKFKRMCDKSMIKKRYMHITEDILKESPNMCEYMAPSLDARQDIVVVEVPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDSHLDSLVGQALFGDGAAAVIVGADPDTSIERPLFQLVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGIISKNIEKALVEAFTPIGISDWNSLFWIAHPGGPAILDQVELKLGLKEEKLRSTRHVLSEFGNMSSACVLFILDEMRKSSVEEGKLSTGEGLEWGVLFGFGPGLTVETVVLHSVPVETTH
Gene tree
Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University