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
Dryas drummondii
Species name
Dryas drummondii is a species of eudicot in the family Rosaceae (rose family).
Species info

Gene sequence info
Dryas_drummondii.CHS.fa
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>Drydr216S17996
MVTVEEVRKAQRAEGPATVLAIGTATPPNCVDQSTYPDFYFRITNSEHKTELKEKFQRMCDKSMIKKRYMYLNEEILKENPSMCEYMAPSLDARQDMVVVEIPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNRGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAIIVGADPLPEIEKPLFEVVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLNEAFQPLGISDWNSLFWIAHPGGPAILDQVESKLGLKPEKLHATRHVLSEYGNMSSACVLFILDEVRRKSKENGLKTTGEGLEWGVLFGFGPGLTVETVVLHSVGVGA
>Drydr191S07831
MASVVKIEDEAAEKRATILAIGTANPANCIYQQEYPDFYFRVTNSDHMTQLKHKFKRICEKSKTRKRHLHLTEDILKANPNICSYNVPSFDTRQELLILEVPKLGKQAALKAIQEWGQPISKITHLIFCTTSGTDMPGADFQLTKLLGLNPSVNRFLLYQQGCYAGGTALRLAKDLAENNSGARVLVVCSEITAMLFHGPTETHLDVLVGQALFADGAAAVIVGANPDPEFERPAFQIMSARQSIVPDTENGVVGHLREMGLAYYLSAEAPKMIGRNIEEYLAREFCSLGVDVDWNSLFYIVHPGGPAIIDQVEENLGLKEGKLRASRHVLSEFGNMGSPSVLFVLDEMRRKSVEEGQGTTGEGLDWGVLFGIGPGVTVETVVLRSFPIHVSAA
>Drydr110S15175
MVTVEEVRKAQRAEGPATILAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFQRMCDKSMIKKRYMYLNEEILKENPSMCEYMAPSLDARQDMVVVEIPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNRGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAIIVGADLVPEVEKPLFEVVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLNEAFQPLGISDWNSLFWIAHPGGPAILDQVESKLGLKPEKLHATRHVLSEYGNMSSACVLFILDEVRRKSKENGLMTTGEGLEWGVLFGFGPGLTVETVVLHSVGVTA
>Drydr41S11821
MSRVLESNGNGSSKQYHAPPRRAPTPGKATVLALGKAFPGQLVPQDCLVEGYIRDTKCEDVAIKEKLERLCKTTTVKTRYTVMSKEILDKYPELATEGSATIKQRLEIANPAVVEMALEASLACIKEWGRSVEDITHIVYVSSSEIRLPGGDLYLASKLGLRNDIGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRVLLTTSETTILGFRPPNKARPYDLVGAALFGDGAAAAIIGSNPILGQESPFMELNYAVQQFLPDTHNVIDGRLSEEGINFKLGRDLPQKIDENIEEFCKKLMAKADLKEYNELFWAVHPGGPAILNRLESTLKLSSDKLECSRRALMDYGNVSSNTIFYVMENMREELMRKEGREEWGLGLAFGPGITFEGILMRSL
>Drydr380S11345
MGSEGSVQGGSTMKANAGKATILALGKAFPHQLVMQDYLVDGYFKDTNCDDPDLKEKLARLCKTTTVKTRYVVMSEEILQKYPELALEGVPTVKQRLDICNEAVTQMAIEASKACIKNWGRPASDITHLVYVSSSEVRLPGGDLYLAGGLGLHPQTKRVMLYFSGCSGGVAGLRVAKDIAENNPGSRVLLATSETTIIGYKPPSAHRPYDLVGVALFGDGAGAMMIGSDPVLVTEKPLFELHTAIQEFLPGTERTIDGRLTEEGISFKLARELPQIIEDHIEGFCGRLMGVAGFDNKEYNKMFWAVHPGGPAILNRMEKRLDLFPEKLNASRRALMDYGNASSNTIVYVLEYMIEEINKVKKKEQEDSEWGLILAFGPGITFEGILARNLSV
MVTVEEVRKAQRAEGPATVLAIGTATPPNCVDQSTYPDFYFRITNSEHKTELKEKFQRMCDKSMIKKRYMYLNEEILKENPSMCEYMAPSLDARQDMVVVEIPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNRGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAIIVGADPLPEIEKPLFEVVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLNEAFQPLGISDWNSLFWIAHPGGPAILDQVESKLGLKPEKLHATRHVLSEYGNMSSACVLFILDEVRRKSKENGLKTTGEGLEWGVLFGFGPGLTVETVVLHSVGVGA
>Drydr191S07831
MASVVKIEDEAAEKRATILAIGTANPANCIYQQEYPDFYFRVTNSDHMTQLKHKFKRICEKSKTRKRHLHLTEDILKANPNICSYNVPSFDTRQELLILEVPKLGKQAALKAIQEWGQPISKITHLIFCTTSGTDMPGADFQLTKLLGLNPSVNRFLLYQQGCYAGGTALRLAKDLAENNSGARVLVVCSEITAMLFHGPTETHLDVLVGQALFADGAAAVIVGANPDPEFERPAFQIMSARQSIVPDTENGVVGHLREMGLAYYLSAEAPKMIGRNIEEYLAREFCSLGVDVDWNSLFYIVHPGGPAIIDQVEENLGLKEGKLRASRHVLSEFGNMGSPSVLFVLDEMRRKSVEEGQGTTGEGLDWGVLFGIGPGVTVETVVLRSFPIHVSAA
>Drydr110S15175
MVTVEEVRKAQRAEGPATILAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFQRMCDKSMIKKRYMYLNEEILKENPSMCEYMAPSLDARQDMVVVEIPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNRGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAIIVGADLVPEVEKPLFEVVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLNEAFQPLGISDWNSLFWIAHPGGPAILDQVESKLGLKPEKLHATRHVLSEYGNMSSACVLFILDEVRRKSKENGLMTTGEGLEWGVLFGFGPGLTVETVVLHSVGVTA
>Drydr41S11821
MSRVLESNGNGSSKQYHAPPRRAPTPGKATVLALGKAFPGQLVPQDCLVEGYIRDTKCEDVAIKEKLERLCKTTTVKTRYTVMSKEILDKYPELATEGSATIKQRLEIANPAVVEMALEASLACIKEWGRSVEDITHIVYVSSSEIRLPGGDLYLASKLGLRNDIGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRVLLTTSETTILGFRPPNKARPYDLVGAALFGDGAAAAIIGSNPILGQESPFMELNYAVQQFLPDTHNVIDGRLSEEGINFKLGRDLPQKIDENIEEFCKKLMAKADLKEYNELFWAVHPGGPAILNRLESTLKLSSDKLECSRRALMDYGNVSSNTIFYVMENMREELMRKEGREEWGLGLAFGPGITFEGILMRSL
>Drydr380S11345
MGSEGSVQGGSTMKANAGKATILALGKAFPHQLVMQDYLVDGYFKDTNCDDPDLKEKLARLCKTTTVKTRYVVMSEEILQKYPELALEGVPTVKQRLDICNEAVTQMAIEASKACIKNWGRPASDITHLVYVSSSEVRLPGGDLYLAGGLGLHPQTKRVMLYFSGCSGGVAGLRVAKDIAENNPGSRVLLATSETTIIGYKPPSAHRPYDLVGVALFGDGAGAMMIGSDPVLVTEKPLFELHTAIQEFLPGTERTIDGRLTEEGISFKLARELPQIIEDHIEGFCGRLMGVAGFDNKEYNKMFWAVHPGGPAILNRMEKRLDLFPEKLNASRRALMDYGNASSNTIVYVLEYMIEEINKVKKKEQEDSEWGLILAFGPGITFEGILARNLSV
Gene tree
Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University