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
Agluscaffold425630_cov770273090 alnus_glutinosa Agluscaffold425630_cov770273090
Agluscaffold427260_cov1060279310 alnus_glutinosa Agluscaffold427260_cov1060279310
Agluscaffold48114_cov1100302980 alnus_glutinosa Agluscaffold48114_cov1100302980
alnus_rubra_ALNRU00021744-RA alnus_rubra alnus_rubra_ALNRU00021744-RA
alnus_rubra_ALNRU00021749-RA alnus_rubra alnus_rubra_ALNRU00021749-RA
alnus_rubra_ALNRU00021754-RA alnus_rubra alnus_rubra_ALNRU00021754-RA
alnus_rubra_ALNRU00043373-RA alnus_rubra alnus_rubra_ALNRU00043373-RA
alnus_rubra_ALNRU00071279-RA alnus_rubra alnus_rubra_ALNRU00071279-RA
alnus_rubra_ALNRU00086520-RA alnus_rubra alnus_rubra_ALNRU00086520-RA
alstonia_scholaris_tjs02095 alstonia_scholaris alstonia_scholaris_tjs02095
alstonia_scholaris_tjs09731 alstonia_scholaris alstonia_scholaris_tjs09731
alstonia_scholaris_tjs16479 alstonia_scholaris alstonia_scholaris_tjs16479
alstonia_scholaris_tjs22734 alstonia_scholaris alstonia_scholaris_tjs22734
alstonia_scholaris_tjs24643 alstonia_scholaris alstonia_scholaris_tjs24643
alstonia_scholaris_tjs32317 alstonia_scholaris alstonia_scholaris_tjs32317
alstonia_scholaris_tjs33228 alstonia_scholaris alstonia_scholaris_tjs33228
AcruScioBoG_102831_HRSCAF_1030440001480.1 amaranthus_cruentus AcruScioBoG_102831_HRSCAF_1030440001480.1
AcruScioBoG_26769_HRSCAF_268990178280.1 amaranthus_cruentus AcruScioBoG_26769_HRSCAF_268990178280.1
AMhypScaffold_120066770.1 amaranthus_hypochondriacus AMhypScaffold_120066770.1
AMhypScaffold_40164180.1 amaranthus_hypochondriacus AMhypScaffold_40164180.1
AMhypScaffold_60184950.1 amaranthus_hypochondriacus AMhypScaffold_60184950.1
MAKER_17598-RA amaranthus_palmeri MAKER_17598-RA
MAKER_25624-RA amaranthus_palmeri MAKER_25624-RA
MAKER_33812-RA amaranthus_palmeri MAKER_33812-RA
amaranthus_tricolor_g19806.t1 amaranthus_tricolor amaranthus_tricolor_g19806.t1
amaranthus_tricolor_g20263.t1 amaranthus_tricolor amaranthus_tricolor_g20263.t1
amaranthus_tricolor_g26435.t1 amaranthus_tricolor amaranthus_tricolor_g26435.t1
At.02g076920-v1.1.a1 amaranthus_tuberculatus At.02g076920-v1.1.a1
At.04g097020-v1.1.a1 amaranthus_tuberculatus At.04g097020-v1.1.a1
At.06g219690-v1.1.a1 amaranthus_tuberculatus At.06g219690-v1.1.a1