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
ilex_asprella_Ilex_005631-T1 ilex_asprella ilex_asprella_Ilex_005631-T1
ilex_asprella_Ilex_005941-T1 ilex_asprella ilex_asprella_Ilex_005941-T1
ilex_asprella_Ilex_008461-T1 ilex_asprella ilex_asprella_Ilex_008461-T1
ilex_asprella_Ilex_021868-T1 ilex_asprella ilex_asprella_Ilex_021868-T1
ilex_asprella_Ilex_022144-T1 ilex_asprella ilex_asprella_Ilex_022144-T1
ilex_latifolia_GWHPBIST006313 ilex_latifolia ilex_latifolia_GWHPBIST006313
ilex_latifolia_GWHPBIST020312 ilex_latifolia ilex_latifolia_GWHPBIST020312
ilex_latifolia_GWHPBIST022202 ilex_latifolia ilex_latifolia_GWHPBIST022202
ilex_latifolia_GWHPBIST022519 ilex_latifolia ilex_latifolia_GWHPBIST022519
iochroma_cyaneum_IC02g016830.1 iochroma_cyaneum iochroma_cyaneum_IC02g016830.1
iochroma_cyaneum_IC03g027060.1 iochroma_cyaneum iochroma_cyaneum_IC03g027060.1
iochroma_cyaneum_IC05g030480.1 iochroma_cyaneum iochroma_cyaneum_IC05g030480.1
Itrk_sc0000721.1_g000002.1 ipomoea_batatas Itrk_sc0000721.1_g000002.1
Itrk_sc0000984.1_g000007.1 ipomoea_batatas Itrk_sc0000984.1_g000007.1
Itrk_sc0001200.1_g000004.1 ipomoea_batatas Itrk_sc0001200.1_g000004.1
Itrk_sc0002454.1_g000002.1 ipomoea_batatas Itrk_sc0002454.1_g000002.1
Itrk_sc0006261.1_g000001.1 ipomoea_batatas Itrk_sc0006261.1_g000001.1
Itrk_sc0061324.1_g000001.1 ipomoea_batatas Itrk_sc0061324.1_g000001.1
Itrk_sc0090105.1_g000001.1 ipomoea_batatas Itrk_sc0090105.1_g000001.1
ipomoea_trifida_itf05g04930.t1 ipomoea_trifida ipomoea_trifida_itf05g04930.t1
ipomoea_trifida_itf07g18030.t1 ipomoea_trifida ipomoea_trifida_itf07g18030.t1
ipomoea_trifida_itf12g23980.t1 ipomoea_trifida ipomoea_trifida_itf12g23980.t1
ipomoea_trifida_itf15g02120.t1 ipomoea_trifida ipomoea_trifida_itf15g02120.t1
Itril05G0003620.1 ipomoea_triloba Itril05G0003620.1
Itril07G0015110.1 ipomoea_triloba Itril07G0015110.1
Itril12G0018940.1 ipomoea_triloba Itril12G0018940.1
Itril15G0002110.1 ipomoea_triloba Itril15G0002110.1
Iind00G0000400.1 isatis_indigotica Iind00G0000400.1
Iind01G0004200.1 isatis_indigotica Iind01G0004200.1
Iind01G0004200.2 isatis_indigotica Iind01G0004200.2