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
Cajanus cajan
Species name
Pigeon pea (Cajanus cajan) is a species of eudicot in the family Fabaceae (pea family).
Species info

Gene sequence info
Cajanus_cajan.CHS.fa
Download
>rna-XM_020363774.1
MEENKFNGYKIQTCLVLDIFCSTSGVDMPGADYQITKLLGLRPYVKRYTMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPTDTHLDSLVGQALFGDGATVVIVDSDHFPVEKPLFELVCTAQTILPDTERAIDGHLREVGLTFHLLKVVPRLISKNIEKALVEVFQLVTDLGILSSGGNI
>rna-XM_020371073.2
MPQGDSNGSSKQHAALTRRVPTPGKATILAIGKAFPSQIIPQECLVEGYIRDTKCEDSYIKEKLERLCKNTTVKTRYTVMSKEILDKFPELATEGSPTIKQKLEIANPAVVEMATKASLSCIKEWGRPAQDITHVVYVSSSEIRLPGGDLYLANELGLRRDVGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRVLLTTSETTILGFRPPNKARPYDLVGAALFGDGAAAVIVGANPVMGQESPFMELSYAVQKFLPDTHHVIDGRLSEEGINFKLGRDLPQKIEDNIEEFCRKLMAQSTVKEFNDLFWAVHPGGPAILNRLESTLKLSSEKLECSRKALMDYGNVSSNTIFYVMEYMREYLKEGGEEWGLGLAFGPGITFEGILLRSL
>rna-XM_020358369.2
MAYLQEIHEKQRARGPATILAIGTANPPNYIYQSHFSDYFFGMTKSQHMTQLKAKFDRICANSMIKKRHMHLSEEMLKENSTISTYKEPSLDSCQDILVEEVPKLGEKAASKAIKEWGRPKSDITHLIFCSMAGVDMPGADYQLVKLLGLKPSIKRFMLYHQGCFAGGTVLRLAKDLAENNAGARVLVVCSEIVVSTFRGPSEKHLDMLVGQALFGDGASSVIVGSDPDTSIEQPLFHLVSASQTILPNTEGAIEGHLRELGLTLSLKKNVPQMIAENIGKSLEETFQPLGISDWNSLFWVTHPGGPTILKEIEATLGLNADKMRASKHVLSEYGNMSSACVFFILDEMRRWSIKEGKSTTGEGLQWGVLYGFGPGLTMETIVLHSTALDSGHYS
>rna-XM_020358862.2
MGSVGVLKDATRKQRVNPGKATILALGKAFPHQLVMQEYLVDGYFRDTNCDNPELKQKLARLCKTTTVKTRYVVMSEEILKKYPELAAEGIPTVKQRLEICNEAVTEMAIEASQACIKNWGGSLSDITHLVYVSSSEARLPGGDLYLAKGLGMSPDTQRVMLYFAGCSGGVAGLRVAKDIAENNPGSRVLLATSETTIIGFKPPSADRPYDLVGVALFGDGAGAMIIGSDPVLESEKPLFELHTAVQEFLPHTAKKIDGRLTEEGISFQLARELPQIIEDNVEGFCDKLMSVAGVKNKEYNKMFWAVHPGGPAILNRIEKRLDLVPEKLSASRRALMDYGNASSNTIVYVLEYMMEEGLKIRKNGRGDAEWGLILAFGPGITFEGILARNLCA
>rna-XM_020360142.1
MVSVEDIRKAQRAEGPATVMAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFKRMCDKSMIKKRYMYLNEEILKENPSVCEYMAPSLDARQDMVVVEVPKLGKEAATKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAVIVGSDPLPVEKPFFELVWTAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALVEAFQPLGISDYNSIFWIAHPGGPAILDQVEAKLGLKPEKMEATRHVLSEYGNMSSACVLFILDQMRKKSIENGLGTTGEGLEWGVLFGFGPGLTVETVVLRSVTV
>rna-XM_020359975.1
MVSVEDIRKAQRAEGPATVMAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFKRMCDKSMIKKRYMYLNEEILKENPSVCEYMAPSLDARQDMVVVEVPKLGKEAATKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAVIVGSDPLPVEKPFFELVWTAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALVEAFQPLGISDYNSIFWIAHPGGPAILDQVEAKLGLKPEKMEATRHVLSEYGNMSSACVLFILDQMRKKSIENGLGTTGEGLEWGVLFGFGPGLTVETVVLRSVTV
>rna-XM_020370529.1
MVSVDEIRKAQRAEGPATVLAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFKRMCEKSMIKKRYMHLTEEILKENPSICEYMAPSLDARQDMVVVEVPKLGKEAATKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPYVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPTDTHLDSLVGQALFGDGAAAVIVGSDPLPVEKPLFELVWTAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALVEAFQPLNISDYNSIFWIAHPGGPAILDQVEAKLGLKPEKMRATRQVLSDYGNMSSACVLFIMDEMRRKSKEDGKATTGEGLDWGVLFGFGPGLTVETVVLHSVAA
>rna-XM_020374442.2
MASVAEIRKAQRAEGPATILAIGTANPPNCVDQSTYPDFYFRITNSQHMTELKEKFQRMCDKSMIKRRYMYLNEEILKENPNMCAYMAPSLDARQDMVVVEVPKLGKEAAAKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPYVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAVIVGSDPIPQVEKPLYELVWTAQTIAPDSDGAIDGHLREVGLTFHLLKDVPGIVSKNIDKALFEAFNPLNISDYNSIFWIAHPGGPAILDQVEQKLALKPEKMRATREVLSEYGNMSSACVLFILDEMRRKSAKDGLKTTGEGLEWGVLFGFGPGLTIETVVLHSVAI
>rna-XM_020346734.1
MSLCEVLRKTNCLMYAMHRTNQEENWNLAYGTGPVFPFEFDASKVGIDTSSREAYQPLVIDAWPFSTYPFIVQCCGYKIQTCLVLDIFCSTSGVDMPGADYQITKLLGLRPYVKRYTMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPTDTHLDSLVGQALFGDGATVVIVDSDHFPVEKPLFELVCTAQTILPDTERAIDGHLREVGLTFHLLKVVPRLISKNIEKALVEVFQLVTDLGILSSGGNI
>rna-XM_020347746.2
MAYLEEIREKQRARGPATILAIGTATPANSIYQSDFTDYYFRVTKSEHMTELKSKLNRICEKSMIKKRYIHLTEEMLKENPTISTYKESSLDVRQDILVEEVPKLGEKAASKAIKEWGRPKSDITHLIFCSTSGVDMPGADYQLVKLLGLNPSTKRFMLYHQGCFAGGTVLRLAKDLAENNVGARILVVCSEITVVTFRGPCETHLDSLVGQALFGDGASSVIVGSNADITIERPLYHLVSASETILPNSVGAIEGHLREVGLTFHLKDNVPHLIGENIEKSLEETFHPLGIRDWNSLFWVTHPGGPAILKQIEEKLGLKADKLRATKQVLSEYGNMSSACVLFILDEMRRWSMKEGKSTTGEGLKWGVLYGFGPGLTMETIALHSATIDPSHY
>rna-XM_020348640.2
MVTVEEIRSAQRAHGPATILALGTATPSNCISQADYPDYYFRITNSQHMTDLKEKFKRMCEKSMIKKRYMHLTEEFLKENPNICAYMEPSLDARQDIVVVEVPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSETHLDSLVGQALFGDGAAAVIVGADPDLAVERPLFELVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGIISKHIQKSLADAFAPIGINDWNSLFWIAHPGGPAILDQVEEKLRLKPEKLRSTRHVLSEYGNMSSACVLFILDEVRKRSKEEKKGTTGEGLEWGVLFGFGPGLTVETVVLHSVPLEG
>rna-XM_020351871.2
MAYLQEIREKQRAHGLATILAIGTATPPNCIYQSDFPDYYFRVTKSEHMTELKAKMRKICEKSMINKRHMHLTEKMLEENPTLGTLKEPSLNVRHDILVEEIPKLGAKAASKAIKEWGRPKSDITHLIFCSTGGVDMPGADYQLVKLLGLNPFIKRFMFYQQGCFAGGTALRLAKDLAENNIGARVLVVCSEITVSIFRGPSETQLDMIVALSLFGDGASSVIVGSDPDITIERPLYHLVSAAQTILPNSEGAVEGHLREHGLTVNLHGNLPHWIRDNIEKTLEEAFHPLGIRDWNSLFWVTHPGGAAIFKLVEERLGLKADKLRAAKKVLSEYGNMSSVCVLFILDEMRRWSIKEGKSTTGEGLKWGVLHGFGPGLTVETVVLHSATIDPSH
>rna-XM_020354267.1
MVVVEVPKLGKEAATKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAVIVGSDPLPVEKPFFELVWTAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALVEAFQPLGISDYNSIFWIAHPGGPAILDQVEAKLGLKPEKMEATRHVLSEYGNMSSACVLFILDQMRKKSIENGLGTTGEGLEWGVLFGFGPGLTVETVVLRSVTV
>rna-XM_020354364.1
MVSVEDIRKAQRAEGPATVMAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFKRMCDKSMIKKRYMYLNEEILKENPSVCEYMAPSLDARQDM
MEENKFNGYKIQTCLVLDIFCSTSGVDMPGADYQITKLLGLRPYVKRYTMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPTDTHLDSLVGQALFGDGATVVIVDSDHFPVEKPLFELVCTAQTILPDTERAIDGHLREVGLTFHLLKVVPRLISKNIEKALVEVFQLVTDLGILSSGGNI
>rna-XM_020371073.2
MPQGDSNGSSKQHAALTRRVPTPGKATILAIGKAFPSQIIPQECLVEGYIRDTKCEDSYIKEKLERLCKNTTVKTRYTVMSKEILDKFPELATEGSPTIKQKLEIANPAVVEMATKASLSCIKEWGRPAQDITHVVYVSSSEIRLPGGDLYLANELGLRRDVGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRVLLTTSETTILGFRPPNKARPYDLVGAALFGDGAAAVIVGANPVMGQESPFMELSYAVQKFLPDTHHVIDGRLSEEGINFKLGRDLPQKIEDNIEEFCRKLMAQSTVKEFNDLFWAVHPGGPAILNRLESTLKLSSEKLECSRKALMDYGNVSSNTIFYVMEYMREYLKEGGEEWGLGLAFGPGITFEGILLRSL
>rna-XM_020358369.2
MAYLQEIHEKQRARGPATILAIGTANPPNYIYQSHFSDYFFGMTKSQHMTQLKAKFDRICANSMIKKRHMHLSEEMLKENSTISTYKEPSLDSCQDILVEEVPKLGEKAASKAIKEWGRPKSDITHLIFCSMAGVDMPGADYQLVKLLGLKPSIKRFMLYHQGCFAGGTVLRLAKDLAENNAGARVLVVCSEIVVSTFRGPSEKHLDMLVGQALFGDGASSVIVGSDPDTSIEQPLFHLVSASQTILPNTEGAIEGHLRELGLTLSLKKNVPQMIAENIGKSLEETFQPLGISDWNSLFWVTHPGGPTILKEIEATLGLNADKMRASKHVLSEYGNMSSACVFFILDEMRRWSIKEGKSTTGEGLQWGVLYGFGPGLTMETIVLHSTALDSGHYS
>rna-XM_020358862.2
MGSVGVLKDATRKQRVNPGKATILALGKAFPHQLVMQEYLVDGYFRDTNCDNPELKQKLARLCKTTTVKTRYVVMSEEILKKYPELAAEGIPTVKQRLEICNEAVTEMAIEASQACIKNWGGSLSDITHLVYVSSSEARLPGGDLYLAKGLGMSPDTQRVMLYFAGCSGGVAGLRVAKDIAENNPGSRVLLATSETTIIGFKPPSADRPYDLVGVALFGDGAGAMIIGSDPVLESEKPLFELHTAVQEFLPHTAKKIDGRLTEEGISFQLARELPQIIEDNVEGFCDKLMSVAGVKNKEYNKMFWAVHPGGPAILNRIEKRLDLVPEKLSASRRALMDYGNASSNTIVYVLEYMMEEGLKIRKNGRGDAEWGLILAFGPGITFEGILARNLCA
>rna-XM_020360142.1
MVSVEDIRKAQRAEGPATVMAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFKRMCDKSMIKKRYMYLNEEILKENPSVCEYMAPSLDARQDMVVVEVPKLGKEAATKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAVIVGSDPLPVEKPFFELVWTAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALVEAFQPLGISDYNSIFWIAHPGGPAILDQVEAKLGLKPEKMEATRHVLSEYGNMSSACVLFILDQMRKKSIENGLGTTGEGLEWGVLFGFGPGLTVETVVLRSVTV
>rna-XM_020359975.1
MVSVEDIRKAQRAEGPATVMAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFKRMCDKSMIKKRYMYLNEEILKENPSVCEYMAPSLDARQDMVVVEVPKLGKEAATKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAVIVGSDPLPVEKPFFELVWTAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALVEAFQPLGISDYNSIFWIAHPGGPAILDQVEAKLGLKPEKMEATRHVLSEYGNMSSACVLFILDQMRKKSIENGLGTTGEGLEWGVLFGFGPGLTVETVVLRSVTV
>rna-XM_020370529.1
MVSVDEIRKAQRAEGPATVLAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFKRMCEKSMIKKRYMHLTEEILKENPSICEYMAPSLDARQDMVVVEVPKLGKEAATKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPYVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPTDTHLDSLVGQALFGDGAAAVIVGSDPLPVEKPLFELVWTAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALVEAFQPLNISDYNSIFWIAHPGGPAILDQVEAKLGLKPEKMRATRQVLSDYGNMSSACVLFIMDEMRRKSKEDGKATTGEGLDWGVLFGFGPGLTVETVVLHSVAA
>rna-XM_020374442.2
MASVAEIRKAQRAEGPATILAIGTANPPNCVDQSTYPDFYFRITNSQHMTELKEKFQRMCDKSMIKRRYMYLNEEILKENPNMCAYMAPSLDARQDMVVVEVPKLGKEAAAKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPYVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAVIVGSDPIPQVEKPLYELVWTAQTIAPDSDGAIDGHLREVGLTFHLLKDVPGIVSKNIDKALFEAFNPLNISDYNSIFWIAHPGGPAILDQVEQKLALKPEKMRATREVLSEYGNMSSACVLFILDEMRRKSAKDGLKTTGEGLEWGVLFGFGPGLTIETVVLHSVAI
>rna-XM_020346734.1
MSLCEVLRKTNCLMYAMHRTNQEENWNLAYGTGPVFPFEFDASKVGIDTSSREAYQPLVIDAWPFSTYPFIVQCCGYKIQTCLVLDIFCSTSGVDMPGADYQITKLLGLRPYVKRYTMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPTDTHLDSLVGQALFGDGATVVIVDSDHFPVEKPLFELVCTAQTILPDTERAIDGHLREVGLTFHLLKVVPRLISKNIEKALVEVFQLVTDLGILSSGGNI
>rna-XM_020347746.2
MAYLEEIREKQRARGPATILAIGTATPANSIYQSDFTDYYFRVTKSEHMTELKSKLNRICEKSMIKKRYIHLTEEMLKENPTISTYKESSLDVRQDILVEEVPKLGEKAASKAIKEWGRPKSDITHLIFCSTSGVDMPGADYQLVKLLGLNPSTKRFMLYHQGCFAGGTVLRLAKDLAENNVGARILVVCSEITVVTFRGPCETHLDSLVGQALFGDGASSVIVGSNADITIERPLYHLVSASETILPNSVGAIEGHLREVGLTFHLKDNVPHLIGENIEKSLEETFHPLGIRDWNSLFWVTHPGGPAILKQIEEKLGLKADKLRATKQVLSEYGNMSSACVLFILDEMRRWSMKEGKSTTGEGLKWGVLYGFGPGLTMETIALHSATIDPSHY
>rna-XM_020348640.2
MVTVEEIRSAQRAHGPATILALGTATPSNCISQADYPDYYFRITNSQHMTDLKEKFKRMCEKSMIKKRYMHLTEEFLKENPNICAYMEPSLDARQDIVVVEVPKLGKEAATKAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVKRLMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSETHLDSLVGQALFGDGAAAVIVGADPDLAVERPLFELVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGIISKHIQKSLADAFAPIGINDWNSLFWIAHPGGPAILDQVEEKLRLKPEKLRSTRHVLSEYGNMSSACVLFILDEVRKRSKEEKKGTTGEGLEWGVLFGFGPGLTVETVVLHSVPLEG
>rna-XM_020351871.2
MAYLQEIREKQRAHGLATILAIGTATPPNCIYQSDFPDYYFRVTKSEHMTELKAKMRKICEKSMINKRHMHLTEKMLEENPTLGTLKEPSLNVRHDILVEEIPKLGAKAASKAIKEWGRPKSDITHLIFCSTGGVDMPGADYQLVKLLGLNPFIKRFMFYQQGCFAGGTALRLAKDLAENNIGARVLVVCSEITVSIFRGPSETQLDMIVALSLFGDGASSVIVGSDPDITIERPLYHLVSAAQTILPNSEGAVEGHLREHGLTVNLHGNLPHWIRDNIEKTLEEAFHPLGIRDWNSLFWVTHPGGAAIFKLVEERLGLKADKLRAAKKVLSEYGNMSSVCVLFILDEMRRWSIKEGKSTTGEGLKWGVLHGFGPGLTVETVVLHSATIDPSH
>rna-XM_020354267.1
MVVVEVPKLGKEAATKAIKEWGQPKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSLVGQALFGDGAAAVIVGSDPLPVEKPFFELVWTAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALVEAFQPLGISDYNSIFWIAHPGGPAILDQVEAKLGLKPEKMEATRHVLSEYGNMSSACVLFILDQMRKKSIENGLGTTGEGLEWGVLFGFGPGLTVETVVLRSVTV
>rna-XM_020354364.1
MVSVEDIRKAQRAEGPATVMAIGTATPPNCVDQSTYPDYYFRITNSEHKTELKEKFKRMCDKSMIKKRYMYLNEEILKENPSVCEYMAPSLDARQDM
Gene tree
Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University