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
NcolGWHAAYW000000030061070.1 nymphaea_colorata NcolGWHAAYW000000030061070.1
NcolGWHAAYW000000060110250.1 nymphaea_colorata NcolGWHAAYW000000060110250.1
NcolGWHAAYW000000060110260.1 nymphaea_colorata NcolGWHAAYW000000060110260.1
NcolGWHAAYW000000060118490.1 nymphaea_colorata NcolGWHAAYW000000060118490.1
NcolGWHAAYW000000060118490.2 nymphaea_colorata NcolGWHAAYW000000060118490.2
NcolGWHAAYW000000060118490.3 nymphaea_colorata NcolGWHAAYW000000060118490.3
NcolGWHAAYW000000060118490.4 nymphaea_colorata NcolGWHAAYW000000060118490.4
NcolGWHAAYW000000070129140.1 nymphaea_colorata NcolGWHAAYW000000070129140.1
NcolGWHAAYW000000100181130.1 nymphaea_colorata NcolGWHAAYW000000100181130.1
NcolGWHAAYW000000100181130.2 nymphaea_colorata NcolGWHAAYW000000100181130.2
nyssa_yunnanensis_augustus-679-processed-gene-9.11-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_augustus-679-processed-gene-9.11-mRNA-1
nyssa_yunnanensis_augustus-925-processed-gene-59.0-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_augustus-925-processed-gene-59.0-mRNA-1
nyssa_yunnanensis_maker-187-augustus-gene-1.18-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-187-augustus-gene-1.18-mRNA-1
nyssa_yunnanensis_maker-209-augustus-gene-7.14-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-209-augustus-gene-7.14-mRNA-1
nyssa_yunnanensis_maker-291161-augustus-gene-15.23-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-291161-augustus-gene-15.23-mRNA-1
ochroma_pyramidale_OCHPYR02324_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR02324_OCHPYR
ochroma_pyramidale_OCHPYR12897_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR12897_OCHPYR
ochroma_pyramidale_OCHPYR26247_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR26247_OCHPYR
ochroma_pyramidale_OCHPYR32920_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR32920_OCHPYR
ochroma_pyramidale_OCHPYR38858_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR38858_OCHPYR
ochroma_pyramidale_OCHPYR39109_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR39109_OCHPYR
ochroma_pyramidale_OCHPYR45892_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR45892_OCHPYR
ocimum_basilicum_1256.g38.t1 ocimum_basilicum ocimum_basilicum_1256.g38.t1
ocimum_basilicum_1290.g18.t1 ocimum_basilicum ocimum_basilicum_1290.g18.t1
ocimum_basilicum_1325.g35.t1 ocimum_basilicum ocimum_basilicum_1325.g35.t1
ocimum_basilicum_385469.g12.t1 ocimum_basilicum ocimum_basilicum_385469.g12.t1
ocimum_basilicum_385628.g23.t1 ocimum_basilicum ocimum_basilicum_385628.g23.t1
ocimum_basilicum_454.g32.t1 ocimum_basilicum ocimum_basilicum_454.g32.t1
ocimum_basilicum_487.g31.t1 ocimum_basilicum ocimum_basilicum_487.g31.t1
ocimum_basilicum_516.g36.t1 ocimum_basilicum ocimum_basilicum_516.g36.t1