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
ostrya_chinensis_OmuG0020140.1 ostrya_chinensis ostrya_chinensis_OmuG0020140.1
ostrya_chinensis_OmuG0022209.1 ostrya_chinensis ostrya_chinensis_OmuG0022209.1
oxytropis_ochrocephala_EVM0003703.1 oxytropis_ochrocephala oxytropis_ochrocephala_EVM0003703.1
oxytropis_ochrocephala_EVM0009008.1 oxytropis_ochrocephala oxytropis_ochrocephala_EVM0009008.1
oxytropis_ochrocephala_EVM0019961.1 oxytropis_ochrocephala oxytropis_ochrocephala_EVM0019961.1
oxytropis_ochrocephala_EVM0020921.2 oxytropis_ochrocephala oxytropis_ochrocephala_EVM0020921.2
oxytropis_ochrocephala_EVM0030081.1 oxytropis_ochrocephala oxytropis_ochrocephala_EVM0030081.1
paeonia_ostii_Pos.gene10103.mRNA-1 paeonia_ostii paeonia_ostii_Pos.gene10103.mRNA-1
paeonia_ostii_Pos.gene10872.mRNA-1 paeonia_ostii paeonia_ostii_Pos.gene10872.mRNA-1
paeonia_ostii_Pos.gene21116.mRNA-1 paeonia_ostii paeonia_ostii_Pos.gene21116.mRNA-1
paeonia_ostii_Pos.gene5774.mRNA-1 paeonia_ostii paeonia_ostii_Pos.gene5774.mRNA-1
paeonia_ostii_Pos.gene58544.mRNA-1 paeonia_ostii paeonia_ostii_Pos.gene58544.mRNA-1
paeonia_ostii_Pos.gene63106.mRNA-1 paeonia_ostii paeonia_ostii_Pos.gene63106.mRNA-1
paeonia_ostii_Pos.gene63550.mRNA-1 paeonia_ostii paeonia_ostii_Pos.gene63550.mRNA-1
paeonia_ostii_Pos.gene82067.mRNA-1 paeonia_ostii paeonia_ostii_Pos.gene82067.mRNA-1
Pambctg004390_pilon_pilon_pilon0068680 pallavicinia_ambigua Pambctg004390_pilon_pilon_pilon0068680
Pambctg005350_pilon_pilon_pilon0077290 pallavicinia_ambigua Pambctg005350_pilon_pilon_pilon0077290
Pambctg006390_pilon_pilon_pilon0089690 pallavicinia_ambigua Pambctg006390_pilon_pilon_pilon0089690
Pg_S0783.13 panax_ginseng Pg_S0783.13
Pg_S1348.9 panax_ginseng Pg_S1348.9
Pg_S2608.22 panax_ginseng Pg_S2608.22
Pg_S3170.4 panax_ginseng Pg_S3170.4
Pg_S4522.4 panax_ginseng Pg_S4522.4
Pg_S5560.4 panax_ginseng Pg_S5560.4
panax_japonicus_GWHPBEIH003904.1 panax_japonicus panax_japonicus_GWHPBEIH003904.1
panax_japonicus_GWHPBEIH003949.1 panax_japonicus panax_japonicus_GWHPBEIH003949.1
panax_japonicus_GWHPBEIH007812.1 panax_japonicus panax_japonicus_GWHPBEIH007812.1
panax_japonicus_GWHPBEIH042851.1 panax_japonicus panax_japonicus_GWHPBEIH042851.1
panax_japonicus_GWHPBEIH045420.1 panax_japonicus panax_japonicus_GWHPBEIH045420.1
panax_japonicus_GWHPBEIH051249.1 panax_japonicus panax_japonicus_GWHPBEIH051249.1