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

Helianthus annuus

Species name

Common sunflower (Helianthus annuus) is a species of eudicot in the family Asteraceae (daisy family).

Species info

Gene sequence info

Helianthus_annuus.CHS.fa

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>rna-XM_022174424.2
MSKINDNGASDSSATRRLPTPGKATVLAIGKAFPSQLVPQDCLVEGYFRDTNCADFAMKEKLARLCKTTTVKTRYTVMSKEILDKYPELATEGSATISQRLTIANQAVTEMAKDASLACFKQWGRPAEDITHIVYVSSSEIRLPGGDLYLASELGLRNDVNRVMLYFLGCYGGVTGLRIAKDIAENNPGSRVLLTTTETTILGFRPPNKSRPYDLVGAALFGDGAAAAIIGADPISHVESPFLELSYAVQQFLPGTHNVIDGRLTEEGINFKLGRDLPQKIDDNIEGFCKKLMEKCGKNLEDFNDLFWAVHPGGPAILNRLESTLKLRGEKLDCSRRALMDFGNVSSNTIFYVMEYMRDELMNKENAEEWGLALAFGPGITFEGILLRSLN
>rna-XM_022178725.2
MASSIDIAAFREAQRAQGPATILAIGTATPSNWVYQADYPDYYFRITKSEHMIDLKEKFKRMCDKSMIRKRYMHLTEEYLKENPSICEYMAPSLDARQDVVVVEVPKLGKEAAVKAIKEWGKPKSQITHLIVCTTSGVDMPGADYQLTKLLGLRPSVKRFMMYQQGCFAGGTVLRMAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSMVGQALFGDGAAALVVGSDPDLTNERPLFQMVSAAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALTQAFSPLGISDWNSIFWIAHPGGPAILDQVEQKLKLKEEKMRATRHVLSEYGNMSSACVLFILDEMRKKSAEDGAATTGEGLDWGVLFGFGPGLTVETVVLHSVPTTMPIAP
>rna-XM_022127919.2
MFSRITINHYLQQLPVTSYFSKARCFYRSFCSLLSSSHKITIITFLSIHMNSKSMTLFQKLVDVETIRETQRAQGPATILAIGTATPFNCVNQADYADYYFRVTNSEHMINLKEKFKRICDKTMIKKRFMILSEEFLKENPNMCEYMSPSLNTRQDLLITAVPKLGEEAAIKAIKEWGVSKSKITHLIFCTTSGIDMPGADLQLTKLLGLSPLVNRLMIYQQGCSAGGTALRLAKDIAENNKGSRVLVVCSDSMASIFCGPNENHIDSLVGQALFGDGAAAIIVGSDLDLSTEHPLFEIVAANQTIIPDTEMAMNLHLREEGLTFHLHKDVPKMISENIESVLKRAVSPLGLSDWNSLFWIVHPGGRAILDNVELKLKLDKEKLRASRHVLSEYGNLTSACVLFIINEMRNKSVKDGKCTTGEGLDWGVLFGFGPGLTIETVVLRSQQVTIPVATITNGAK
>rna-XM_022127208.2
MNHFQKVVHLETIRENQRAHGLATILAIGTANPSNYIMQADYPDFYFRVTNSEHMVNLKNKFKRICDNTMITKRFMLLTEEFLKDNPNMCQYTSPSLNTRQDLLITQVPKLGKVAATKAIEEWGLPKSKITHLIFCTTSGIDMPGADYQLTKLLGLSPSVNRLMMYQQGCSGGGMVLRLAKDIAENNKGSRVLVVCSEIMATIFHGPSENHIDSLVGQALFGDGAAAIIVGSDPDLAVEHPLFEIVSASQTIIPDTEMAINLHLREDGLKLHLDKDVPKMIFENIENILMQAVRPLGLSDWNSLFWIVHPGGRRILDEVELKLNLDKQKLRASRHVLSEYGNMTSACVLFIINEMRNKSLEDGKSTTGEGLDWGVLFGFGPGLTVETVVLHSKPSTVQQVKTGPEDLA
>rna-XM_022136929.2
MASFQKIVDVETIRETQRARGLATILAIGTATPYNCIYQADYPDYYFRVTKSEHMINLKEKFKRICDKTMIKKRFMFLTEEFLKENPNMCEYMSPSLNTRQDLLITAIPKLGKEAATKAIEEWGVSKSKITHLIFSTTSGIDMPGADFQLTKLLGLSPLVNRLMIYQQGCSAGGTAHRLAKDIAENNKSSRILVVCSDSMASIFRGPSEDHIDSLVGQAPFRDGAAAIIVGSDPDLSTEHPLFEIVSANQTIIPDTEMAMKLHLREEGLTFHLHKDVPKMIFENIESALKRAVSPLGLSDWNSLFWIVHPGGRAILDNVELKLELDKEKLRASRHVLSEYGNLNSACVLFIINEIRNKSLEIGKCTTGEGLDWGVLFGFGPGLTIETIVLRSQPVTTPIAAITNGAK
>rna-XM_022136928.2
MNSKSMTLFQKLVDVETIRETQRAQGLATILAIGTATPFNCVNQADYADYYFRVTNCEHMINLKEKFKRICDKTMIKKRFMILSEEFLKENPNMCEYMSPSLNTRQDLLITAVPKLGEEAAIKAIKEWGVSRSKITHLIFCTTSGIDMPGADLQLTKLLGLSPLVNRLMIYQQGCSAGGTALRLAKDIAENNKGSRVLVVCSDSMASIFCGPNENHIDSLVGQALFGDGAAAIIVGSDLDLSTEHPLFEIVAANQTIIPDTEMAMNLHLREEGLTFHLHKDVPKMISENIESVLKRAVSPLGLSDWNSLFWIVHPGGRAILDNVELKLKLDKVKLRASRHVLSEYGNLTSACVLFIINEMRNKSVEDGKSTTGEGLDWGVLFGFGPGLTIETVVLRSQPVTIPVATITNGAK
>rna-XM_022136927.2
MTSFQKIIDVETIRETQRARGLATILAIGTATPLSYINQDDYADYYFRVTNSEHMIKLKEKFKRICDKTMIKKRFMLLTEEFLKENPNMCEYTSPSLNTRQDLLITAVPKLGKEAAIKAIEEWGLSKSKITHLIFCTTSGIDMPGADFQLTKLLGLSPMVNRLMVYQQGCSSGGMALRLAKDLAENNKGSRVLVVCADSMASFFRGPSENHVDSLVCQALFGDGAAAIIVGSDPDLSTENPLFEIVSANQTIIPDTETAMTLHLREEGFESYLHKDVPKRISENIESALKRALSPLGLSDWNSLFWIVHPGGRAILDNVELKLNLDKEKLRASRHVLSEYGNLSGACVLFIINEMRNKSKEDGESTTGEGLDWGVLFGFGPGLTIESVVLRSHPVTTLVGTKS
>rna-XM_022136930.1
MNSKSMTLFQKLVDVETIRETQRAKGLATILAIGTATPFSCVNQADYADYYFRVTNSEHMIDLKEKFKRICDKTMIKKRFMILSEEFLKENPNMCEYMSPSLNTRQDLLITAVPKLGGEAAIKAIKEWGVSKSKITHLIFCTTSGLDMPGADLQLTKLLGLSPLVKRLMIYQQVVVCMELVSCLNVCYWLSI
>rna-XM_022142672.2
MASSLTGVDVGTFRKAQRAEGPATILAIGTATPSHCVYQADYPDYYFRITKSDHMVDLKQKFQRMCDNSMIRKRYMHVTEEFLKQNPNMCEYMAPSLDARQDVVVVEVPKLGKEAAIKAIKEWGYPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRPSVQRFMLYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPSESHLDSLVGQALFGDGAAAIVVGSDPDLDVERPLFEMVSAAQTILPESEGAIDGHLREAGLTFHLLKDVPGLIANNIEKALAHAFSPLGIDDWNTIFWIAHPGGPAILDQVELKLGLEEQKMRATRHVLSEYGNMSSACVLFILDEMRKKSTEEGKTTTGEGLDWGVLFGFGPGLTVETVVLHSLPTTVPTSTT
>rna-XM_022149396.2
MSKMNGKNVSENPDSSTTNRLPTPGKATVLAIGKAFPSQLVPQDCLVEGFFRDTNCMDSAMKAKLERLCKTTTVKTRYTVMSKEILDKYPELATEGSATISQRLSIANQAVTEMAKEASLACFKQWGRPAEDITHVVYVSSSEIRLPGGDLYLASELGLRNDVNRVMLYFLGCYGGVTGLRIAKDIAENNPGSRVLLTTSETTILGFRPPNKSRPYDLVGAALFGDGAAAAIIGADPISKVESPFMELSYATQQFLPGTHNVIDGRLTEEGINFKLGRDLPQKIDDNIEGFCKKLMEKAGGNLEDFNDLFWAVHPGGPAILNRLETTLKLRGEKLDCSRKALMDFGNVSSNTIFYVMEYMRDELRNKENREEWGLALAFGPGITFEGILLRSLG
>rna-XM_022153975.2
MASSIDIAAFREAQRAQGPATILAIGTATPSNCVYQADYPDYYFRITKSEHMVDLKEKFKRMCDKSMIRKRYMHLTEEYLKENPSICEYMAPSLDARQDVVVVEVPKLGKEAAVKAIKEWGKPKSQITHLIVCTTSGVDMPGADYQLTKLLGLRPSVKRFMMYQQGCFAGGTVLRMAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSMVGQALFGDGAAALVVGSDPDLTTERPLFQMVSAAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALTQAFSPLGISDWNSIFWIAHPGGPAILDQVEQKLKLKEEKMRATRHVLSEYGNMSSACVLFILDEMRKKSVEDGAATTGEGLDWGVLFGFGPGLTVETVVLHSVPTTMPIAP
>rna-XM_022153962.2
MASSIDIAAFREAQRAQGPATILAIGTATPSNCVYQADYPDYYFRITKSEHMVELKEKFKRMCDKSMIKKRYMHLTEEYLKENPSICEYMAPSLDARQDVVVVEVPRLGKEAAVKAIKEWGKPKSQITHLIVCTTSGVDMPGADYQLTKLLGLRPSVKRFMMYQQGCFAGGTVLRMAKDLAENNKGARVLVVCSEITAVTFRGPSDTHLDSMVGQALFGDGAAAVIVGSDPDLTTEQPLFEMVSAAQTILPDSEGAIDGHLREVGLTFHLLKDVPGLISKNIEKALTQAFSPLGISDWNSIFWIAHPGGPAILDQVEQKLKLKEEKMRATRHVLSEYGNMSSACVLFILDEMRKKSVEDGAATTGEGLDWGVLFGFGPGLTVETVVLHSVPTTRPIVP
>rna-XM_022179491.2
MLSIQEFRKAQRAEGPANILAIGTATPPNCVLQTTYPDYYFRITKSEHKKDLKEKFTRMCEKSMIKKRYMYLTEEILNEKPNMCAYNAPSLDDRQDIVVVEVPKLGKEAATRAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRSSVKRFMMYQQGCFAGGTVLRMAKDLAENNKGARVLVVCSEITAVTFRGPDDSHLDSLVGQALFGDGAAAIIVGSDPLPDIEKPLFEIISAAQTILPDSRGAIDGHLREVGLTFHLLKDVPGLISKHIEESLVEAFQPLGIDDWNSLFWIAHPGGPAILDQVEEKLALTPDKLRATRHVLSEYGNMSSACVLFILNEMRHASATDGFSTTGEGLEWGVLFGFGPGLTVETVVLHSVPI
>rna-XM_022179492.2
MLSIQEFRKAQRAEGPANILAIGTATPPNCVLQTTYPDYYFRITKSEHKKDLKEKFTRMCEKSMIKKRYMYLTEEILNEKPNMCAYNAPSLDDRQDIVVVEVPKLGKEAATRAIKEWGQPKSKITHLVFCTTSGVDMPGADYQLTKLLGLRSSVKRFMMYQQGCFAGGTVLRMAKDLAENNKGARVLVVCSEITAVTFRGPDDSHLDSLVGQALFGDGAAAIIVGSDPLPDIEKPLFEIISAAQTILPDSRGAIDGHLREVGLTFHLLKDVPGLISKHIEESLVEAFQPLGIDDWNSLFWIAHPGGPAILDQVEEKLALTPDKLRATRHVLSEYGNMSSACVLFILNEMRHASATDGFSTTGEGLEWGVLFGFGPGLTVETVVLHSVPI
>rna-XM_022154490.2
MFRKQILMKNGVGKANILALGKAFPHQLVMQDLLVDGYFKDTNCDDPELKRKLTRLCKTTTVKTRYVVMSQEILNKYPELALEGLPTVKQRLDICNKAVTQMAIEASESCIKKWGRPVSDITHLVYVSSSEARLPGGDIYLAKGIGLSPDTNRVMLYFSGCSGGVAGLRVAKDIAENNPGSRVLLATSETTIIGYKPPSVKRPYDLVGVALFGDGAGAMIIGSDPTRSERPLFELHTAIQNFLPDTEKVIDGRLTEEGISFKLDRELPEIIEDNVKGFCDKLLGQFGRDGIVDIDYNDLFWAVHPGGPAILNRIEKKFNLGPEKLSASRRALADYGNASSNTIVYVLEYLIEDSLKKRNEGKDGGPDLGLILAFGPGVTFEGILTRNLIV
>rna-XM_022161268.2
MSPKPYHLSTHSPHQPPPSHLPPPSHRLPPSHCPPPSHRRTPPTVAHVPPSHPSHLVHPPTVTQSPTSRHHHQHRHRQQSGEKSMVKKRYMHLTEEILKEKPNMCSYMAPSLNDRQDIAVAEVPKLGEQAVTQAIMEWGQPKSKITHLVFATSCGVDMPAADYQLTKLLGLRPSIKRFVMYQHGCYGGGSVLRMAKDLAENNKGARVLVVCSELSSVVSFHGPGETNIDNLVARALFSDGAAAMIVGSDPLLDVEKPLFEIVSASQTIVPDSEGVLDGHLREAGLIFHINDKIPKLVSKNIGTILKEAFQPFDIMDWNSIFWVVHPGGPAILNEVEEKLALRPDKLRASRRVLNEYGNMWGATVLFILNEMRRSSATFRLQTTGKGLEWGVLFGIGPGLTVETVVLRSVSL

Gene tree

Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University