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
10712_t potentilla_micrantha 10712_t
13019_t potentilla_micrantha 13019_t
primula_veris_pveT_jg1132 primula_veris primula_veris_pveT_jg1132
primula_veris_pveT_jg14491 primula_veris primula_veris_pveT_jg14491
primula_veris_pveT_jg17625 primula_veris primula_veris_pveT_jg17625
primula_veris_pveT_jg19520 primula_veris primula_veris_pveT_jg19520
primula_veris_pveT_jg24812 primula_veris primula_veris_pveT_jg24812
PRvulLH_v2_00001830029350.1 primula_vulgaris PRvulLH_v2_00001830029350.1
PRvulLH_v2_00002400037960.1 primula_vulgaris PRvulLH_v2_00002400037960.1
PRvulLH_v2_00004680070490.1 primula_vulgaris PRvulLH_v2_00004680070490.1
PRvulLH_v2_00006040087360.1 primula_vulgaris PRvulLH_v2_00006040087360.1
PRvulLH_v2_00017350174570.1 primula_vulgaris PRvulLH_v2_00017350174570.1
prosopis_alba_XP_028782285.1 prosopis_alba prosopis_alba_XP_028782285.1
prosopis_alba_XP_028784670.1 prosopis_alba prosopis_alba_XP_028784670.1
prosopis_alba_XP_028799483.1 prosopis_alba prosopis_alba_XP_028799483.1
prosopis_alba_XP_028799496.1 prosopis_alba prosopis_alba_XP_028799496.1
prosopis_alba_XP_028799498.1 prosopis_alba prosopis_alba_XP_028799498.1
prosopis_alba_XP_028807091.1 prosopis_alba prosopis_alba_XP_028807091.1
protea_cynaroides_KAJ4969602.1 protea_cynaroides protea_cynaroides_KAJ4969602.1
protea_cynaroides_KAJ4971059.1 protea_cynaroides protea_cynaroides_KAJ4971059.1
protea_cynaroides_KAJ4978624.1 protea_cynaroides protea_cynaroides_KAJ4978624.1
protea_cynaroides_KAJ4979149.1 protea_cynaroides protea_cynaroides_KAJ4979149.1
PruarS.1G563000.t1.p1_1 prunus_armeniaca PruarS.1G563000.t1.p1_1
PruarS.2G394300.t1.p1_1 prunus_armeniaca PruarS.2G394300.t1.p1_1
PruarS.2G394400.t1.p1_1 prunus_armeniaca PruarS.2G394400.t1.p1_1
PruarS.2G433100.t1.p1_1 prunus_armeniaca PruarS.2G433100.t1.p1_1
PruarS.3G396600.t1.p1_1 prunus_armeniaca PruarS.3G396600.t1.p1_1
Pav_sc0000040.1_g490.1.mk:mrna prunus_avium Pav_sc0000040.1_g490.1.mk:mrna
Pav_sc0000554.1_g2230.1.mk:mrna prunus_avium Pav_sc0000554.1_g2230.1.mk:mrna
Pav_sc0005746.1_g030.1.mk:mrna prunus_avium Pav_sc0005746.1_g030.1.mk:mrna