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
Asparagus officinalis
Species name
Garden asparagus (Asparagus officinalis) is a species of monocot in the family Asparagaceae (asparagus family).
Species info

Gene sequence info
Asparagus_officinalis.CHS.fa
Download
>XP_020241912.1
MSKARQNGESQLCERSSRRGKATILALGKAFPDQILRQERLVEGYLRDTNCDDPVMKEKLERLCKTTTVRTRYTVMSKDILDKYPELAPTEALRRSTQRLEDRQPCVLRMPVEAAAXCLQRVSDRPASAITHLVYVSSSDRLPGGTTTSPPARLDPAVQSPSCSTSIGCYAXVTGLRVCQDIAENNXGSRSSVVTSETTVVRLPPTGLSXPYDLVAPLLFGDALAARLSSEQTRCNTSAAIFEMDWLVQEFIPGHHRRSQRPGLAEEGVHFKLGRDLPSIIEANIDRFCRKLMERAGLTDYNEMFWAVHPGGPAILNRLESHLGLREEKLRASRRALREYGNVSSNTVFYVIENMIEELKEKGKKGEEWGFVLAFGPGITFEGILVRSLAQ
>XP_020245912.1
MLVASTSSMDEMRRAQRAEGPATVLAIGTATPKNFVYQDEYPDYYFRITKSEHMTDLKEKFKRMCDKSMIRKRYMHLTEEILTQNPNMCAYMSPSLDARQDIVVVEVPKTNRQAAAVRRHPRYWGRPQSHITPPHFCXTSGVDMPGADYQLTNSSGLRRSVNALHDVQQAXFARGTMLRMAKDRRGEQPGARRARRCSEITGGQTFRRARPTPTSTRMVGQALCRRRAAAVDXSGPTCASVERPIFQMVSASADILPTSEGXSNGHLREVGLTFHLLKDVPGLISKNIEKSLTEALSPLGIDDWNSVFWIAHPGGPAILDQVEERTGLRKEKMRATREVLKEYGNMSSACVLFIMEEMRRWSERXGXXXEWGVLFGFGPGLTVETVVLRSVPLDQAK
>XP_020252477.1
MNKQVKFIASHGLETIITRDKEVSYEGIIFNRCTTSPLSHARQTSLDVLIPPLAAEASRKAIADWGQPISSITHLVVCNSSGASMPRADYELVKLLXLPLSTKRFMLYQQGCFGGGSVLRLAKDLAENNXACPCARVCSEPIVNGFRXPCEDHIQNLVVQVLFGDGAAAVVVGADPRPGVETPLFEIVSTYQNIIAGSEGTIEGKLREAGLMISLQPEIPLHIAGSIGKIVKEALKPIKLTPTATDRSVTPPEILSKLPEGYDEIVKEAMGSIGSTAVNDVFWIVHPGGRAIMDAVEMVLGLNKEKLEATREVLREYGNMSSASVLFVMETMRRRSEKMKMATAGEGLEWGLLIGMGPGITVETVVLRCP
>XP_020260024.1
MESIVDMIPVSEKSNATILGVGTANPPTFVDQNTLPDYYFRITKSEHLVDLKPKFARMCKSSMIDRRYTTITEEVLNEHPSIGAYNAPSLNIRQELLDIIIPQLGAEAASKAIADXGRPLSDITHLVFCNSSGASMPGADYELIKILGLPLSTKRFMLYQQGCFGGGSVLRLAKDLAENNPGARVLVVCSEPITNGFRGPSKDHLQNLVTQALFSDGAASVIVGANPMPEIEHPLFEIVWTSQNIIEGSDGKIVGKLRESGLMISLQPEIPLLIAGSMGKIVKEAIGNTGVDAVNDVFWMVHPGGRAILDAVEMVLGVKKEKFAATREVLREYGNMSSASVLFVMETMRRKSEEKKMATAGEGLEWGLLVGFGPGITVETVVLRCP
>XP_020266908.1
MVGVNLQLDIEHLLFEIIWALQNIIEGSGGTVGRLREVGLREGDTRKNREWIVHPGRRAILFAVQITVTVQEKLLATTERRQGRMGICSNTTVLFAMGMMRSAEKEMTAVGEGPKWGFFVNSSSLSAPLFWLLATNVCTPG
MSKARQNGESQLCERSSRRGKATILALGKAFPDQILRQERLVEGYLRDTNCDDPVMKEKLERLCKTTTVRTRYTVMSKDILDKYPELAPTEALRRSTQRLEDRQPCVLRMPVEAAAXCLQRVSDRPASAITHLVYVSSSDRLPGGTTTSPPARLDPAVQSPSCSTSIGCYAXVTGLRVCQDIAENNXGSRSSVVTSETTVVRLPPTGLSXPYDLVAPLLFGDALAARLSSEQTRCNTSAAIFEMDWLVQEFIPGHHRRSQRPGLAEEGVHFKLGRDLPSIIEANIDRFCRKLMERAGLTDYNEMFWAVHPGGPAILNRLESHLGLREEKLRASRRALREYGNVSSNTVFYVIENMIEELKEKGKKGEEWGFVLAFGPGITFEGILVRSLAQ
>XP_020245912.1
MLVASTSSMDEMRRAQRAEGPATVLAIGTATPKNFVYQDEYPDYYFRITKSEHMTDLKEKFKRMCDKSMIRKRYMHLTEEILTQNPNMCAYMSPSLDARQDIVVVEVPKTNRQAAAVRRHPRYWGRPQSHITPPHFCXTSGVDMPGADYQLTNSSGLRRSVNALHDVQQAXFARGTMLRMAKDRRGEQPGARRARRCSEITGGQTFRRARPTPTSTRMVGQALCRRRAAAVDXSGPTCASVERPIFQMVSASADILPTSEGXSNGHLREVGLTFHLLKDVPGLISKNIEKSLTEALSPLGIDDWNSVFWIAHPGGPAILDQVEERTGLRKEKMRATREVLKEYGNMSSACVLFIMEEMRRWSERXGXXXEWGVLFGFGPGLTVETVVLRSVPLDQAK
>XP_020252477.1
MNKQVKFIASHGLETIITRDKEVSYEGIIFNRCTTSPLSHARQTSLDVLIPPLAAEASRKAIADWGQPISSITHLVVCNSSGASMPRADYELVKLLXLPLSTKRFMLYQQGCFGGGSVLRLAKDLAENNXACPCARVCSEPIVNGFRXPCEDHIQNLVVQVLFGDGAAAVVVGADPRPGVETPLFEIVSTYQNIIAGSEGTIEGKLREAGLMISLQPEIPLHIAGSIGKIVKEALKPIKLTPTATDRSVTPPEILSKLPEGYDEIVKEAMGSIGSTAVNDVFWIVHPGGRAIMDAVEMVLGLNKEKLEATREVLREYGNMSSASVLFVMETMRRRSEKMKMATAGEGLEWGLLIGMGPGITVETVVLRCP
>XP_020260024.1
MESIVDMIPVSEKSNATILGVGTANPPTFVDQNTLPDYYFRITKSEHLVDLKPKFARMCKSSMIDRRYTTITEEVLNEHPSIGAYNAPSLNIRQELLDIIIPQLGAEAASKAIADXGRPLSDITHLVFCNSSGASMPGADYELIKILGLPLSTKRFMLYQQGCFGGGSVLRLAKDLAENNPGARVLVVCSEPITNGFRGPSKDHLQNLVTQALFSDGAASVIVGANPMPEIEHPLFEIVWTSQNIIEGSDGKIVGKLRESGLMISLQPEIPLLIAGSMGKIVKEAIGNTGVDAVNDVFWMVHPGGRAILDAVEMVLGVKKEKFAATREVLREYGNMSSASVLFVMETMRRKSEEKKMATAGEGLEWGLLVGFGPGITVETVVLRCP
>XP_020266908.1
MVGVNLQLDIEHLLFEIIWALQNIIEGSGGTVGRLREVGLREGDTRKNREWIVHPGRRAILFAVQITVTVQEKLLATTERRQGRMGICSNTTVLFAMGMMRSAEKEMTAVGEGPKWGFFVNSSSLSAPLFWLLATNVCTPG
Gene tree
Gene tree

Sheng jun & Dong yang Teams, Yunnan agriculture University