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
AtriAmTr_v1.0_scaffold000220071650.1 amborella_trichopoda AtriAmTr_v1.0_scaffold000220071650.1
AtriAmTr_v1.0_scaffold000240079790.1 amborella_trichopoda AtriAmTr_v1.0_scaffold000240079790.1
AtriAmTr_v1.0_scaffold000340103310.1 amborella_trichopoda AtriAmTr_v1.0_scaffold000340103310.1
AtriAmTr_v1.0_scaffold000340103320.1 amborella_trichopoda AtriAmTr_v1.0_scaffold000340103320.1
AtriAmTr_v1.0_scaffold000340103940.1 amborella_trichopoda AtriAmTr_v1.0_scaffold000340103940.1
AtriAmTr_v1.0_scaffold000490134990.1 amborella_trichopoda AtriAmTr_v1.0_scaffold000490134990.1
AtriAmTr_v1.0_scaffold000610156860.1 amborella_trichopoda AtriAmTr_v1.0_scaffold000610156860.1
AtriAmTr_v1.0_scaffold000770182330.1 amborella_trichopoda AtriAmTr_v1.0_scaffold000770182330.1
AtriAmTr_v1.0_scaffold001030208910.1 amborella_trichopoda AtriAmTr_v1.0_scaffold001030208910.1
AnanContig000800059810.1 ammopiptanthus_nanus AnanContig000800059810.1
AnanContig000800059820.1 ammopiptanthus_nanus AnanContig000800059820.1
AnanContig000960068840.1 ammopiptanthus_nanus AnanContig000960068840.1
AnanContig001340096830.1 ammopiptanthus_nanus AnanContig001340096830.1
AnanContig001900134410.1 ammopiptanthus_nanus AnanContig001900134410.1
AnanContig005590269370.1 ammopiptanthus_nanus AnanContig005590269370.1
AnanContig010700351830.1 ammopiptanthus_nanus AnanContig010700351830.1
AnanContig010730352450.1 ammopiptanthus_nanus AnanContig010730352450.1
AedgHiC_scaffold_100039320 amphicarpaea_edgeworthii AedgHiC_scaffold_100039320
AedgHiC_scaffold_10018600 amphicarpaea_edgeworthii AedgHiC_scaffold_10018600
AedgHiC_scaffold_10018610 amphicarpaea_edgeworthii AedgHiC_scaffold_10018610
AedgHiC_scaffold_10018620 amphicarpaea_edgeworthii AedgHiC_scaffold_10018620
AedgHiC_scaffold_10018630 amphicarpaea_edgeworthii AedgHiC_scaffold_10018630
AedgHiC_scaffold_60195430 amphicarpaea_edgeworthii AedgHiC_scaffold_60195430
Abra14G0001450.1 ananas_bracteatus Abra14G0001450.1
Abra14G0002700.1 ananas_bracteatus Abra14G0002700.1
Acom13G0001400.1 ananas_comosus Acom13G0001400.1
Acom13G0002570.1 ananas_comosus Acom13G0002570.1
Arupctg000904_np121212120083370 andreaea_rupestris Arupctg000904_np121212120083370
Arupctg001176_np121212120121400 andreaea_rupestris Arupctg001176_np121212120121400
Arupctg001630_np121212120192440 andreaea_rupestris Arupctg001630_np121212120192440