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
nicotiana_benthamiana_Niben261Chr02g0935002.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr02g0935002.1
nicotiana_benthamiana_Niben261Chr03g1469008.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr03g1469008.1
nicotiana_benthamiana_Niben261Chr07g0989002.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr07g0989002.1
nicotiana_benthamiana_Niben261Chr07g1497019.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr07g1497019.1
nicotiana_benthamiana_Niben261Chr19g1095011.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr19g1095011.1
nicotiana_sylvestris_XP_009793783.1 nicotiana_sylvestris nicotiana_sylvestris_XP_009793783.1
nicotiana_sylvestris_XP_009794729.1 nicotiana_sylvestris nicotiana_sylvestris_XP_009794729.1
nicotiana_sylvestris_XP_009804110.1 nicotiana_sylvestris nicotiana_sylvestris_XP_009804110.1
nicotiana_sylvestris_XP_009804396.1 nicotiana_sylvestris nicotiana_sylvestris_XP_009804396.1
nicotiana_tabacum_Nitab4.5_0000027g0470.1 nicotiana_tabacum nicotiana_tabacum_Nitab4.5_0000027g0470.1
nicotiana_tabacum_Nitab4.5_0000375g0270.1 nicotiana_tabacum nicotiana_tabacum_Nitab4.5_0000375g0270.1
nicotiana_tabacum_Nitab4.5_0001550g0100.1 nicotiana_tabacum nicotiana_tabacum_Nitab4.5_0001550g0100.1
nicotiana_tabacum_Nitab4.5_0001860g0060.1 nicotiana_tabacum nicotiana_tabacum_Nitab4.5_0001860g0060.1
nicotiana_tabacum_Nitab4.5_0002279g0030.1 nicotiana_tabacum nicotiana_tabacum_Nitab4.5_0002279g0030.1
nicotiana_tabacum_Nitab4.5_0002529g0060.1 nicotiana_tabacum nicotiana_tabacum_Nitab4.5_0002529g0060.1
nicotiana_tabacum_Nitab4.5_0003318g0090.1 nicotiana_tabacum nicotiana_tabacum_Nitab4.5_0003318g0090.1
nicotiana_tabacum_Nitab4.5_0005313g0010.1 nicotiana_tabacum nicotiana_tabacum_Nitab4.5_0005313g0010.1
nicotiana_tomentosiformis_XP_009587034.1 nicotiana_tomentosiformis nicotiana_tomentosiformis_XP_009587034.1
nicotiana_tomentosiformis_XP_009603208.1 nicotiana_tomentosiformis nicotiana_tomentosiformis_XP_009603208.1
nicotiana_tomentosiformis_XP_009627241.1 nicotiana_tomentosiformis nicotiana_tomentosiformis_XP_009627241.1
nicotiana_tomentosiformis_XP_033515024.1 nicotiana_tomentosiformis nicotiana_tomentosiformis_XP_033515024.1
Nschscaffold103_cov1180007830 nissolia_schottii Nschscaffold103_cov1180007830
Nschscaffold103_cov1180007850 nissolia_schottii Nschscaffold103_cov1180007850
Nschscaffold4115_cov1100196090 nissolia_schottii Nschscaffold4115_cov1100196090
Nschscaffold524351_cov1160243470 nissolia_schottii Nschscaffold524351_cov1160243470
Nschscaffold66086_cov1090311550 nissolia_schottii Nschscaffold66086_cov1090311550
Ncon16400800296010 noteroclada_confluens Ncon16400800296010
Ncon16725750360330 noteroclada_confluens Ncon16725750360330
Ncon17003850444980 noteroclada_confluens Ncon17003850444980
Ncon17082310481250 noteroclada_confluens Ncon17082310481250