PlantSME Plant secondary metabolism enzyme database
CHI

CHI

Chalcone isomerase reference family for chalcone-to-flavanone conversion.

Lineage Coverage
Detected in 753 of 789 public species; click a lineage to inspect its species list.
Algae
Bryophytes
Lycophytes/Ferns
Gymnosperms
Basal angiosperms
Monocots
Eudicots
Species Distribution
Papaver setigerum
Anthoceros agrestis Oxford
Glebionis coronaria
Camelina sativa
Related Modules
Flavonoid pathway
Pathway Position Map
Pathways are arranged by literature-curated biosynthetic stages and highlight the current enzyme family; branched pathways are grouped by stage rather than forced into one linear reaction chain.
Curated order
Flavonoid pathway 3089 current-family members Mao et al. 2025; Gulzar et al. 2024; Vogt 2010
Phenylpropanoid entry
PAL 7015 C4H 464 4CL 25907
Flavonoid scaffold formation
CHS 11738 CHI 3089
Flavone and isoflavonoid branches
FNS 359 IFS 541 IFR 11814
Dihydroflavonol branches
F3H 4697 F3'H/CYP75B 1332 F3'5'H/CYP75A 247 FLS 124
Anthocyanin and proanthocyanidin branches
DFR 1310 ANS/LDOX 1019 UFGT 106747 ANR 1183
Family Gene List
GeneSpeciesProtein ID
Potra000801g06348.4 populus_tremula Potra000801g06348.4
Potra000854g35638.1 populus_tremula Potra000854g35638.1
populus_tremula_x_alba_PtXaTreH.10G178000.1.p populus_tremula_x_alba populus_tremula_x_alba_PtXaTreH.10G178000.1.p
populus_tremula_x_alba_PtXaTreH.18G036700.1.p populus_tremula_x_alba populus_tremula_x_alba_PtXaTreH.18G036700.1.p
populus_tremula_x_alba_PtXaTreH.19G056500.1.p populus_tremula_x_alba populus_tremula_x_alba_PtXaTreH.19G056500.1.p
PtremuloPotrs0183200256790.1.v1.427 populus_tremuloides PtremuloPotrs0183200256790.1.v1.427
PtremuloPotrs0199340282760.1.v1.427 populus_tremuloides PtremuloPotrs0199340282760.1.v1.427
PtremuloPotrs0350060303610.1.v1.427 populus_tremuloides PtremuloPotrs0350060303610.1.v1.427
Potri.010G213000.3.p populus_trichocarpa Potri.010G213000.3.p
Potri.018G048500.1.p populus_trichocarpa Potri.018G048500.1.p
Potri.019G057800.1.p populus_trichocarpa Potri.019G057800.1.p
populus_wilsonii_Pwi10G018290.1 populus_wilsonii populus_wilsonii_Pwi10G018290.1
populus_wilsonii_Pwi18G004050.1 populus_wilsonii populus_wilsonii_Pwi18G004050.1
populus_wilsonii_Pwi19G006780.1 populus_wilsonii populus_wilsonii_Pwi19G006780.1
Pcae1732170049150 porella_caespitans_var_nipponica Pcae1732170049150
Pcae2217090109400 porella_caespitans_var_nipponica Pcae2217090109400
Pcae2268870117340 porella_caespitans_var_nipponica Pcae2268870117340
Pcae2435250157740 porella_caespitans_var_nipponica Pcae2435250157740
Pchi1269990047870 porella_chinensis Pchi1269990047870
Pchi1668810163710 porella_chinensis Pchi1668810163710
Pchi1706450300380 porella_chinensis Pchi1706450300380
Ppla1585080009960 porella_platyphylla Ppla1585080009960
Ppla2359810056090 porella_platyphylla Ppla2359810056090
Ppla2503880150240 porella_platyphylla Ppla2503880150240
portulaca_amilis_FUN_004111-T1 portulaca_amilis portulaca_amilis_FUN_004111-T1
portulaca_amilis_FUN_018973-T1 portulaca_amilis portulaca_amilis_FUN_018973-T1
portulaca_oleracea_GWHPCBIU015620 portulaca_oleracea portulaca_oleracea_GWHPCBIU015620
portulaca_oleracea_GWHPCBIU021193 portulaca_oleracea portulaca_oleracea_GWHPCBIU021193
portulaca_oleracea_GWHPCBIU029778 portulaca_oleracea portulaca_oleracea_GWHPCBIU029778
portulaca_oleracea_GWHPCBIU032229 portulaca_oleracea portulaca_oleracea_GWHPCBIU032229