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
Eucalyptus grandis
Species name
Rose gum (Eucalyptus grandis) is a species of eudicot in the family Myrtaceae (myrtle family).
Species info

Gene sequence info
Eucalyptus_grandis.CHS.fa
Download
>rna-XM_039309497.1
MNLTPTPSSRTSIEKMDRQEKGSSQVVPENNGRRRGGSVVPMVFIVDATLVVASGRCGQRCDSNDVMEESRECKVPAAILTIGTANPSNCVNQDNYPDFFFHVTNTQHLTNVKEKFVRICDKSAIKKRYFHLNEEILKQNPALCSYGAVLLNSRQDLTIDMIPKLGMEAAAKAIKEWGQPKSTVTHLVFCSFSGMDMPGADLKLLKILGLRPSVNRIMLYSLCCNAGGTVL
>rna-XM_010055664.2
MSKVDANGSAKPRPASTRRSPTPGKATILAIGKAFPSQVIPQECLVEGFIRDTKCEDASIKEKLERLCKTTTVKTRYTVMSKEILDKYPELVREGSPTLNQRLEIANPAVTEMALQASLSCIKQWGRPPGHITHLVYVSSSELRLPGGDLHLATRLGLRSDVGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRVLLTTSETTILGFRPPNKARPYDLVGAALFGDGAAAAIIGADPLPCHGESPFMELSHAAQRFLPGTHDVIDGRLSDEGIYFKLGRDLPQKIEANIEEFCKGLMATAGLSEGFNDVFWAVHPGGPAIMNKLESTLKLRSDKLECSRKALMDYGNVSSNTIFYVIENMRDELMKREGGEEWGLALAFGPGITFEGILVRSLS
>rna-XM_039313565.1
MGAVEKIRENQRAKGPATILAIGTANPANCVYQAEYPHYYFRMMKSEHMTALKQKFIRICDKSMIHKRYMHLTEELMEKHPEICSYDDPSLNPRQDIIIDTIPTLGEEAALKAIKEWGQPKSKITHIVFCSTSGVDMPGADYQLMRLLGLSPSVKRVMLYHQGCFAGGTVLRVAKDLAENNAGARVLVVCSEITVTTFRGPSAENLANLVGQAIFGDGAAALIIGSDPEIPAERPIFQLVWTAETVLPNSEGAIEGQLRDVGLTWVIRQVPHLIANHIEKSLKEAFDSLGISDWNSIFWVPHPGGPAILNQIEAKLGLKKERLRAVRHVLREYGNMSSACVSFILDEMRRKSAEEGLATPGEGLEWGVLFGFGPGLTVETVVLHSVPTVTRG
>rna-XM_039313017.1
MAAAMVSVEKIRENQRAKGPATILAIGTANPANCMYQDEFPDYYFRMTKSEHMTALKQKFIRICEKSMIHKRYKHLTEELLNKNPEICSYDAPSLNARQDISTVSIPKLGEEAATEAIKEWGQPKSKITHIVFCSLSGADMPGADYQLMRLLGLSPSVKRVMLYHLGCFAGGTALRIAKDLAENNAGARVLIVCSEITVASFRGPSDENHGNLASQALLGDGAAALIIGSDPEIPSEQPIFQLVWTAETVLPNSESTVESQVRDGGLTLVLSDRVPLLIASNIEKSLNEAFDSLGITDWNSIFWVPHPGGPAILNQIEAKLGLRKERLRAVRHVLREYGNMSSASVFFVLDEMRRKSVEEGLATTGEGLEWGVLFGFGPGLTVETVVLHSVPIVPPG
>rna-XM_010040650.3
MSAVEKIRENQRAKGPATILAIGTANPVNCVYQAEYPDYYFRMTKSEHMTALKQKFIRICDNSMIHKRYTHLTEELMEKHPEICSYDDPSSFNPRQDIMIDAIPKLGKEAALKAIKEWGQPKSKITHIVFCSFSGVDMPGADYQLMRLLGLSPSVKRVMLYHLGCFAGGTALRIAKDLAENNASARVLVVCSEITVTAF*GPSAENLANLVGQAIFGDGAAALIIGSDPEIPAERPVFQIVWTAETVLPNSECAIEGQLRDVGFTFGLSDRVPHLIASNIEKSLKEAFDSLDISDWNSIFWVPHPGGPAILNQIEAKLGLKKERLRAVRQVLGEYGNMSSASVLFILDEMRRKSAEEGLATTGEGLEWGVLFGFGPGLTVETVVLHSVPTVTRG
>rna-XM_010054736.3
MGAVEKIRENQRAKGPATILAIGTANPANCVYQAEYPHYYFRMTKSEHMTALKQKFIRICDKSMIHKRYMHLTEELMEKHPEICSYDDPSLNPRQDIIIDTIPKLGEEAALKAIKEWGQPKSKITHIVFCSTSGVDMPGADYQLMRLLGLSPSVKRVMLYHQGCFAGGTVLRVAKDLAENNAGARVLVVCSEITVTTFRGPSAENLANLVGQAIFGDGAAALIIGSDPEIPAERPIFQLVWTAETVLPNSEGAIEGQLRDVGLTFGLSDRVPHLIADHIEKSLKEAFDSLGISDWNSIFWVPHPGGPAILNQIEAKLGLKERLRAVRHVLREYGNMSSACVSFILDEMRRKSAEEGLATPGEGLEWGVLFGFGPGLTVETVVLHSVPTVTHG
>rna-XM_010054734.3
MGAVEKIHEDQRAKGPATILAIGTANPANCVYQAEYPHYYFRMTKSEHMTALKQKFIRICDKSMIHKRYMHLTEELMEKHPEICSYDDPSLNPRQDIIIDTIPKLGEEAALKAIEEWGQPKSKITHIVFCSTSGVDMPGADYQLMRLLGLSPSVKRVMLYHQGCFAGGTVLRVAKDLAENNGGARVLVVCSEITVTTFRGPSAENLANLVGQAIFGDGAAALIIGSDPEIPAERPIFQLVWTAETVLPNSEGAIEGQLRDVGLTFGLSDRVPHLIADHIEKSLKEAFDSLGISDWNSIFWVPHPGGPAILNQIEAKLGLKKERLRAVRHVLREYGNMSSACVSFILDEMRRKSAEEGLATPGEGLEWGVLFGFGPGLTVETVVLHSVPTVTHG
>rna-XM_010025436.3
MVTVEEVRRAQRAEGPATIMAIGTATPPNCVDQSAYPDYYFRITNSEHKTELKEKFKRMCEKSMIKKRYMHLTEDILKENPNICAYMAPSLDARQDMVVVEVPKLGKEAAVKAIKEWGQPKSKVTHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPTDTHLDSLVGQALFGDGAAAVIVGADPVPGVEKPMFELVSTAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFQPLGISDWNSLFWIAHPGGPAILDQVEEKLKLKAEKLRATRHVLSEYGNMSSACVLFILDEMRKKSTEDGLKTTGEGLEWGVLFGFGPGLTVETVVLHSLAAQA
>rna-XM_039299417.1
MVSVEEFCRAQKSKGPASVLAIGTAVPKNVIEQSTYPDYLFRITNSEHMTDLKEKFKRMCEGSSIKRRYLHMTEDILKEHPSMSSFTEPSLDARQDILVSEVPKLAKEAAANALKEWGQPKSKITHLVFCTTSGVDMPGCDYQLTKLLGLRPTVKRYMMYQVGCYGAGLVLRIAKDLAENNKGARVLVVCSEITVCTFRGPTETYLDNLVGQALFGDGASSVIVGSDPVPGIERPLYEIVSTSQTILPNSEGAIAGHVREIGLTIHLLKDVPGLISKNVEKNMAEAFHPLGITDWNSLFFIVHPGGPAILDDVEAKLKLKPEKMEASRYVLGEYGNMSSACVFFIMDEMRKKSIKKGLKTTGEGLEWGVLFGFGPGLTVETVVLHALSA
>rna-XM_010030619.3
MAATKSVEEIRKAQRAEGPATVLAIGTATPNNCISQADYPDYYFRITNSEHMTDLKEKFKRMCDKSMIKKRYMHLTEDFLKENPAMCAYMANSLDARQDVVVVEVPKLGKEAAAKAIKEWGQSKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNRGARVLVVCSEITAVTFRGPTDTHLDSLVGQALFGDGAAAVIVGADPDTAVERPLYQLVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLAEAFSPIGISDWNSLFWIAHPGGPAILDQVEAKLGLKEEKMRATRHVLSEYGNMSSACVLFILDEMRRKSAEEGRPTTGEGLDWGVLFGFGPGLTVETVVLHSVPIEGAH
>rna-XM_010030383.3
MSEEILEKYPELAMEGLPTVKQRLDICNEAVTEMAIKASQDCIKKWGRPASDITHLVYVSSSEARLPGGDLYLAKGIKLSPETRRVLLYFVGCSGGVAGLRVAKDIAENNPGSRILLATSETTIIGYKPPSAERPYDLVGVALFGDGAGAMIIGADPDLSIEKPLFELNTAIQHFLPDTEKIIDGRLTEEGISFKLARELPQIIEDNIEGFCSKLMEPIGLSNKDYNRIFWAVHPGGPAILNRLEKRLDLLPDKLRASRQALKDYGNASSNTIVYVLDYMLEESMKMKKDDQSQDAFGLILAFGPGVTFEGILARNLTI
>rna-XM_010026391.3
MVSVEDFCRAQKSKGPATVLAIGTAVPKNVIEQSTYPDYLFRITNSEHMTELKEKFKRICEGSSIKRRYVHMTEEILKEHPNMSSFTEPSLDARQDILVPEVPKLAKEAAVNALKEWGQPKSKITHLVFCTTSGVDMPGCDYQLTKLLGLRPSVKRYMMYQVGCYGAGLVLRLAKDLAENNKGARVLVVCSEITVCTFRGPSEAFLDNLVGQALFGDGASSVIVGADPVPGIERSLYEIVSTFQTLLPNSEEAIAGHVREIGLTIHLLKDLPALVSKNIDKNMAEAFHPLGITDWNSLFFIVHPGGPAILDQVEAKLKLKPEKIELSRYVLAEYGNMSSACVFFIMDEMRKKSIKKGLKTTGEGLEWGVLFGFGPGLTVETVVLHALST
MNLTPTPSSRTSIEKMDRQEKGSSQVVPENNGRRRGGSVVPMVFIVDATLVVASGRCGQRCDSNDVMEESRECKVPAAILTIGTANPSNCVNQDNYPDFFFHVTNTQHLTNVKEKFVRICDKSAIKKRYFHLNEEILKQNPALCSYGAVLLNSRQDLTIDMIPKLGMEAAAKAIKEWGQPKSTVTHLVFCSFSGMDMPGADLKLLKILGLRPSVNRIMLYSLCCNAGGTVL
>rna-XM_010055664.2
MSKVDANGSAKPRPASTRRSPTPGKATILAIGKAFPSQVIPQECLVEGFIRDTKCEDASIKEKLERLCKTTTVKTRYTVMSKEILDKYPELVREGSPTLNQRLEIANPAVTEMALQASLSCIKQWGRPPGHITHLVYVSSSELRLPGGDLHLATRLGLRSDVGRVMLYFLGCYGGVTGLRVAKDIAENNPGSRVLLTTSETTILGFRPPNKARPYDLVGAALFGDGAAAAIIGADPLPCHGESPFMELSHAAQRFLPGTHDVIDGRLSDEGIYFKLGRDLPQKIEANIEEFCKGLMATAGLSEGFNDVFWAVHPGGPAIMNKLESTLKLRSDKLECSRKALMDYGNVSSNTIFYVIENMRDELMKREGGEEWGLALAFGPGITFEGILVRSLS
>rna-XM_039313565.1
MGAVEKIRENQRAKGPATILAIGTANPANCVYQAEYPHYYFRMMKSEHMTALKQKFIRICDKSMIHKRYMHLTEELMEKHPEICSYDDPSLNPRQDIIIDTIPTLGEEAALKAIKEWGQPKSKITHIVFCSTSGVDMPGADYQLMRLLGLSPSVKRVMLYHQGCFAGGTVLRVAKDLAENNAGARVLVVCSEITVTTFRGPSAENLANLVGQAIFGDGAAALIIGSDPEIPAERPIFQLVWTAETVLPNSEGAIEGQLRDVGLTWVIRQVPHLIANHIEKSLKEAFDSLGISDWNSIFWVPHPGGPAILNQIEAKLGLKKERLRAVRHVLREYGNMSSACVSFILDEMRRKSAEEGLATPGEGLEWGVLFGFGPGLTVETVVLHSVPTVTRG
>rna-XM_039313017.1
MAAAMVSVEKIRENQRAKGPATILAIGTANPANCMYQDEFPDYYFRMTKSEHMTALKQKFIRICEKSMIHKRYKHLTEELLNKNPEICSYDAPSLNARQDISTVSIPKLGEEAATEAIKEWGQPKSKITHIVFCSLSGADMPGADYQLMRLLGLSPSVKRVMLYHLGCFAGGTALRIAKDLAENNAGARVLIVCSEITVASFRGPSDENHGNLASQALLGDGAAALIIGSDPEIPSEQPIFQLVWTAETVLPNSESTVESQVRDGGLTLVLSDRVPLLIASNIEKSLNEAFDSLGITDWNSIFWVPHPGGPAILNQIEAKLGLRKERLRAVRHVLREYGNMSSASVFFVLDEMRRKSVEEGLATTGEGLEWGVLFGFGPGLTVETVVLHSVPIVPPG
>rna-XM_010040650.3
MSAVEKIRENQRAKGPATILAIGTANPVNCVYQAEYPDYYFRMTKSEHMTALKQKFIRICDNSMIHKRYTHLTEELMEKHPEICSYDDPSSFNPRQDIMIDAIPKLGKEAALKAIKEWGQPKSKITHIVFCSFSGVDMPGADYQLMRLLGLSPSVKRVMLYHLGCFAGGTALRIAKDLAENNASARVLVVCSEITVTAF*GPSAENLANLVGQAIFGDGAAALIIGSDPEIPAERPVFQIVWTAETVLPNSECAIEGQLRDVGFTFGLSDRVPHLIASNIEKSLKEAFDSLDISDWNSIFWVPHPGGPAILNQIEAKLGLKKERLRAVRQVLGEYGNMSSASVLFILDEMRRKSAEEGLATTGEGLEWGVLFGFGPGLTVETVVLHSVPTVTRG
>rna-XM_010054736.3
MGAVEKIRENQRAKGPATILAIGTANPANCVYQAEYPHYYFRMTKSEHMTALKQKFIRICDKSMIHKRYMHLTEELMEKHPEICSYDDPSLNPRQDIIIDTIPKLGEEAALKAIKEWGQPKSKITHIVFCSTSGVDMPGADYQLMRLLGLSPSVKRVMLYHQGCFAGGTVLRVAKDLAENNAGARVLVVCSEITVTTFRGPSAENLANLVGQAIFGDGAAALIIGSDPEIPAERPIFQLVWTAETVLPNSEGAIEGQLRDVGLTFGLSDRVPHLIADHIEKSLKEAFDSLGISDWNSIFWVPHPGGPAILNQIEAKLGLKERLRAVRHVLREYGNMSSACVSFILDEMRRKSAEEGLATPGEGLEWGVLFGFGPGLTVETVVLHSVPTVTHG
>rna-XM_010054734.3
MGAVEKIHEDQRAKGPATILAIGTANPANCVYQAEYPHYYFRMTKSEHMTALKQKFIRICDKSMIHKRYMHLTEELMEKHPEICSYDDPSLNPRQDIIIDTIPKLGEEAALKAIEEWGQPKSKITHIVFCSTSGVDMPGADYQLMRLLGLSPSVKRVMLYHQGCFAGGTVLRVAKDLAENNGGARVLVVCSEITVTTFRGPSAENLANLVGQAIFGDGAAALIIGSDPEIPAERPIFQLVWTAETVLPNSEGAIEGQLRDVGLTFGLSDRVPHLIADHIEKSLKEAFDSLGISDWNSIFWVPHPGGPAILNQIEAKLGLKKERLRAVRHVLREYGNMSSACVSFILDEMRRKSAEEGLATPGEGLEWGVLFGFGPGLTVETVVLHSVPTVTHG
>rna-XM_010025436.3
MVTVEEVRRAQRAEGPATIMAIGTATPPNCVDQSAYPDYYFRITNSEHKTELKEKFKRMCEKSMIKKRYMHLTEDILKENPNICAYMAPSLDARQDMVVVEVPKLGKEAAVKAIKEWGQPKSKVTHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNKGARVLVVCSEITAVTFRGPTDTHLDSLVGQALFGDGAAAVIVGADPVPGVEKPMFELVSTAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLVEAFQPLGISDWNSLFWIAHPGGPAILDQVEEKLKLKAEKLRATRHVLSEYGNMSSACVLFILDEMRKKSTEDGLKTTGEGLEWGVLFGFGPGLTVETVVLHSLAAQA
>rna-XM_039299417.1
MVSVEEFCRAQKSKGPASVLAIGTAVPKNVIEQSTYPDYLFRITNSEHMTDLKEKFKRMCEGSSIKRRYLHMTEDILKEHPSMSSFTEPSLDARQDILVSEVPKLAKEAAANALKEWGQPKSKITHLVFCTTSGVDMPGCDYQLTKLLGLRPTVKRYMMYQVGCYGAGLVLRIAKDLAENNKGARVLVVCSEITVCTFRGPTETYLDNLVGQALFGDGASSVIVGSDPVPGIERPLYEIVSTSQTILPNSEGAIAGHVREIGLTIHLLKDVPGLISKNVEKNMAEAFHPLGITDWNSLFFIVHPGGPAILDDVEAKLKLKPEKMEASRYVLGEYGNMSSACVFFIMDEMRKKSIKKGLKTTGEGLEWGVLFGFGPGLTVETVVLHALSA
>rna-XM_010030619.3
MAATKSVEEIRKAQRAEGPATVLAIGTATPNNCISQADYPDYYFRITNSEHMTDLKEKFKRMCDKSMIKKRYMHLTEDFLKENPAMCAYMANSLDARQDVVVVEVPKLGKEAAAKAIKEWGQSKSKITHLIFCTTSGVDMPGADYQLTKLLGLRPSVKRYMMYQQGCFAGGTVLRLAKDLAENNRGARVLVVCSEITAVTFRGPTDTHLDSLVGQALFGDGAAAVIVGADPDTAVERPLYQLVSAAQTILPDSDGAIDGHLREVGLTFHLLKDVPGLISKNIEKSLAEAFSPIGISDWNSLFWIAHPGGPAILDQVEAKLGLKEEKMRATRHVLSEYGNMSSACVLFILDEMRRKSAEEGRPTTGEGLDWGVLFGFGPGLTVETVVLHSVPIEGAH
>rna-XM_010030383.3
MSEEILEKYPELAMEGLPTVKQRLDICNEAVTEMAIKASQDCIKKWGRPASDITHLVYVSSSEARLPGGDLYLAKGIKLSPETRRVLLYFVGCSGGVAGLRVAKDIAENNPGSRILLATSETTIIGYKPPSAERPYDLVGVALFGDGAGAMIIGADPDLSIEKPLFELNTAIQHFLPDTEKIIDGRLTEEGISFKLARELPQIIEDNIEGFCSKLMEPIGLSNKDYNRIFWAVHPGGPAILNRLEKRLDLLPDKLRASRQALKDYGNASSNTIVYVLDYMLEESMKMKKDDQSQDAFGLILAFGPGVTFEGILARNLTI
>rna-XM_010026391.3
MVSVEDFCRAQKSKGPATVLAIGTAVPKNVIEQSTYPDYLFRITNSEHMTELKEKFKRICEGSSIKRRYVHMTEEILKEHPNMSSFTEPSLDARQDILVPEVPKLAKEAAVNALKEWGQPKSKITHLVFCTTSGVDMPGCDYQLTKLLGLRPSVKRYMMYQVGCYGAGLVLRLAKDLAENNKGARVLVVCSEITVCTFRGPSEAFLDNLVGQALFGDGASSVIVGADPVPGIERSLYEIVSTFQTLLPNSEEAIAGHVREIGLTIHLLKDLPALVSKNIDKNMAEAFHPLGITDWNSLFFIVHPGGPAILDQVEAKLKLKPEKIELSRYVLAEYGNMSSACVFFIMDEMRKKSIKKGLKTTGEGLEWGVLFGFGPGLTVETVVLHALST
Gene tree
Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University