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
Persea americana
Species name
Avocado (Persea americana) is a species of flowering plant in the family Lauraceae (laurel family).
Species info

Gene sequence info
Persea_americana.CHS.fa
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>maker-Scf00053-augustus-gene-8.8.mRNA1
MSPSVEEIRRTQRAQGPATVLAIGTATPSNVVYQADYPDYYFRVTKSEHMTELKEKFKRMCDKSMIRKRYMQLTEDFLKENPNICAYMAPSLDARQDMVVVEVPKLGKEAASKAIKEWGQSKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNAGARVLVVCSEITAVTFRGPSDSHLDSLVGQALFGDGAAAVIIGADPHQVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFEPLGIKDWNSLFWIAHPGGPAILDQVEEKLQLKTQKLRATRHVLSEFGNMSSACVLFILDEMRRKSLEENKETTGEGLEWGVLFGFGPGLTVETVVLHSFPTPATTAH
>maker-Scf00084-augustus-gene-9.11.mRNA1
MVNVEAIRKAQRAEGPATIMAIGTSTPPNAVDQSEYPDYYFRITNSEHKTELKEKFKRMCEKSMIKKRYMYLTEDILKENPNVCAYMAPSLDARQDMVVVEVPKLGKEAAAKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAALIVGADPVPGVENPMFELVSAGQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFEPLGISDWNSLFWIAHPGGPAILDQVEIKLGLKPEKLRATRHVLSEYGNMSSACVLFILDEMRRKSKEEGLKTTGEGIEWGVLFGFGPGLTVETVVLHSLPTH
>maker-Scf00116-augustus-gene-7.11.mRNA1
MLGGGGCCFSDERRHTPGKATILALGKAFPHQVIPQEFLVQGYFRDTNCDDLAMKEKLERLCKTTTVKTRYTVMSKEILEKYPELTREGSPTIKQRLDIANKAVLEMALEASLNCIKEWGRPATDITHVVYVSSSEIRLPGGDLYLASQLGLKSDVGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRILLTTSETTILGYRPPNKSRPYDLVGAALFGDGAAAVVIGASPQNGTETPFMELNYAVQQFLPGTHNIIDGRLTEEGINFNLGRDLPQKIEDHIQDFCKTLMDKAGLDEVNDLFWAVHPGGPAILNRLQSNLNLREEKLQCSRKALMDYGNASSNTIFYVIDYMRKELKRDGGEEWGLLLAFGPGITFEGILVRNLQ
>maker-Scf00288-augustus-gene-4.16.mRNA1
MVDVEAIRKAQRADGPATVMAIGTATPPNCVDQSTYPDFYFRITNSEHKTELKEKFKRMCDKSMIKKRYMHLNEEILKENPNICAYMAPSLDARQDMVVVEVPKLGKEAAAKAIKEWGQPKSKVTHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRVAKDLAENNRGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAALIVGSDPIPGVEKPLFEMVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIQKSLTEAFEPLGISDWNSLFWIAHPGGPAILDQVEEKLGLKEEKLRATRHVLSEYGNMSSACVLFILDEMRKKSAEQGLKTTGEGLEWGVLFGFGPGLTVETVVLHKMAVNVDDIRKSQRADGPAIVMAIGTATPPNVVDQITYPDYYFRVTNSQHMTQLKDKFKQICEATKIRKRHKYLTEDILKENPNLCAFMAPSFDTRQEMLAMEVPKLGMEAASKAINEWARPKSSITHLIFCTSSAISIPGADYHLTTLLHLNPSIQRHMLYYQAFSAGGAALRLAKDLAENNKGARVLVVCSEISAISFRGPSDEHLHGLTAEALFGDGAAAMIIGSDPILTIEKPIYQIVRASQRIVPQSDGAAIGLLREVGLTYHLYKDIPGLVEGCIEECLVEVFEELGICDWNELFWVAHPGLPAILDRVEVRLGLESGKLRASRHVLREFGNVSSATLVFVLEEMRRWSREEGCKTTGEGLEWGVLFGFGPGFTIETVVLRSVAI
>augustus_masked-Scf00490-processed-gene-2.2.mRNA1
MLYFLGSSGVAGLHVAKDIAENNPGCLVLLATSETPTIGFKALNANHPYDIVGAVLFGDGTGAMILGMDPILGKRRKWFNLLPQQLRASRRALKDYGNASSNTIGYVMEYMIEESLKMKEMREKDPDGICE
>augustus_masked-Scf00574-processed-gene-0.1.mRNA1
MMSIEAIRKAQRAEGPATIMAIGTATPPNAVDQSTYPDYYFRVTNSEHKAELKEKFKRMCDKSMIKKRYMYLTEEILKENPSVCAYMAPSLDARQDMVVVEVPKLGKEAAAKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAALIVGADPIKGVESPLFDMVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFEPLGISDWNSLFWVAHPGGPAILDQVEEKLGLKQEKLRATRHVLSEYGNMSSACVLFILDEMRRKSIEQGCRTTGEGIEWGVLFGFGPGLTVETVVLRSVEIKQ
MSPSVEEIRRTQRAQGPATVLAIGTATPSNVVYQADYPDYYFRVTKSEHMTELKEKFKRMCDKSMIRKRYMQLTEDFLKENPNICAYMAPSLDARQDMVVVEVPKLGKEAASKAIKEWGQSKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNAGARVLVVCSEITAVTFRGPSDSHLDSLVGQALFGDGAAAVIIGADPHQVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFEPLGIKDWNSLFWIAHPGGPAILDQVEEKLQLKTQKLRATRHVLSEFGNMSSACVLFILDEMRRKSLEENKETTGEGLEWGVLFGFGPGLTVETVVLHSFPTPATTAH
>maker-Scf00084-augustus-gene-9.11.mRNA1
MVNVEAIRKAQRAEGPATIMAIGTSTPPNAVDQSEYPDYYFRITNSEHKTELKEKFKRMCEKSMIKKRYMYLTEDILKENPNVCAYMAPSLDARQDMVVVEVPKLGKEAAAKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAALIVGADPVPGVENPMFELVSAGQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFEPLGISDWNSLFWIAHPGGPAILDQVEIKLGLKPEKLRATRHVLSEYGNMSSACVLFILDEMRRKSKEEGLKTTGEGIEWGVLFGFGPGLTVETVVLHSLPTH
>maker-Scf00116-augustus-gene-7.11.mRNA1
MLGGGGCCFSDERRHTPGKATILALGKAFPHQVIPQEFLVQGYFRDTNCDDLAMKEKLERLCKTTTVKTRYTVMSKEILEKYPELTREGSPTIKQRLDIANKAVLEMALEASLNCIKEWGRPATDITHVVYVSSSEIRLPGGDLYLASQLGLKSDVGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRILLTTSETTILGYRPPNKSRPYDLVGAALFGDGAAAVVIGASPQNGTETPFMELNYAVQQFLPGTHNIIDGRLTEEGINFNLGRDLPQKIEDHIQDFCKTLMDKAGLDEVNDLFWAVHPGGPAILNRLQSNLNLREEKLQCSRKALMDYGNASSNTIFYVIDYMRKELKRDGGEEWGLLLAFGPGITFEGILVRNLQ
>maker-Scf00288-augustus-gene-4.16.mRNA1
MVDVEAIRKAQRADGPATVMAIGTATPPNCVDQSTYPDFYFRITNSEHKTELKEKFKRMCDKSMIKKRYMHLNEEILKENPNICAYMAPSLDARQDMVVVEVPKLGKEAAAKAIKEWGQPKSKVTHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRVAKDLAENNRGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAALIVGSDPIPGVEKPLFEMVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIQKSLTEAFEPLGISDWNSLFWIAHPGGPAILDQVEEKLGLKEEKLRATRHVLSEYGNMSSACVLFILDEMRKKSAEQGLKTTGEGLEWGVLFGFGPGLTVETVVLHKMAVNVDDIRKSQRADGPAIVMAIGTATPPNVVDQITYPDYYFRVTNSQHMTQLKDKFKQICEATKIRKRHKYLTEDILKENPNLCAFMAPSFDTRQEMLAMEVPKLGMEAASKAINEWARPKSSITHLIFCTSSAISIPGADYHLTTLLHLNPSIQRHMLYYQAFSAGGAALRLAKDLAENNKGARVLVVCSEISAISFRGPSDEHLHGLTAEALFGDGAAAMIIGSDPILTIEKPIYQIVRASQRIVPQSDGAAIGLLREVGLTYHLYKDIPGLVEGCIEECLVEVFEELGICDWNELFWVAHPGLPAILDRVEVRLGLESGKLRASRHVLREFGNVSSATLVFVLEEMRRWSREEGCKTTGEGLEWGVLFGFGPGFTIETVVLRSVAI
>augustus_masked-Scf00490-processed-gene-2.2.mRNA1
MLYFLGSSGVAGLHVAKDIAENNPGCLVLLATSETPTIGFKALNANHPYDIVGAVLFGDGTGAMILGMDPILGKRRKWFNLLPQQLRASRRALKDYGNASSNTIGYVMEYMIEESLKMKEMREKDPDGICE
>augustus_masked-Scf00574-processed-gene-0.1.mRNA1
MMSIEAIRKAQRAEGPATIMAIGTATPPNAVDQSTYPDYYFRVTNSEHKAELKEKFKRMCDKSMIKKRYMYLTEEILKENPSVCAYMAPSLDARQDMVVVEVPKLGKEAAAKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAALIVGADPIKGVESPLFDMVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFEPLGISDWNSLFWVAHPGGPAILDQVEEKLGLKQEKLRATRHVLSEYGNMSSACVLFILDEMRRKSIEQGCRTTGEGIEWGVLFGFGPGLTVETVVLRSVEIKQ
Gene tree
Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University