PlantSME Plant secondary metabolism enzyme database
CAS

CAS

Triterpenoid/sterol-precursor shared module: SQS/SQE/OSC-family cyclases build the triterpenoid scaffold feeding sterol biosynthesis; overlap between terpenoid and steroid contexts is expected.

Atlas summary family CAS.

Lineage Coverage
Detected in 783 of 789 public species; click a lineage to inspect its species list.
Algae
Bryophytes
Lycophytes/Ferns
Gymnosperms
Basal angiosperms
Monocots
Eudicots
Species Distribution
Hordeum vulgare
Triticum turgidum
Aegilops tauschii
Pinus taeda
Related Modules
Steroid 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
Steroid pathway 35857 current-family members Du et al. 2022; Zebosi et al. 2024
Sterol precursor formation
SQS/FDFT1 4389 SQE 4569 CAS 35857
Phytosterol backbone
SMT1/SMT2/SMT3 27781 SMO1/SMO2 4067 CPI1 1261 CYP51G1 190 FK 1234 HYD1 1364 DWF7 1524 DWF5 888 DWF1 1689
Brassinosteroid branch
DET2 1316 DWF4/CYP90B1 290 CPD/CYP90A1 103 ROT3/CYP90C1 193 CYP90D1 142 BR6OX1/CYP85A1 40 BR6OX2/CYP85A2 68
Family Gene List
GeneSpeciesProtein ID
Bathy06g02200 bathycoccus_prasinos Bathy06g02200
Bathy09g04590 bathycoccus_prasinos Bathy09g04590
Bathy15g01850 bathycoccus_prasinos Bathy15g01850
bauhinia_variegata_KAI4295389.1 bauhinia_variegata bauhinia_variegata_KAI4295389.1
bauhinia_variegata_KAI4296531.1 bauhinia_variegata bauhinia_variegata_KAI4296531.1
bauhinia_variegata_KAI4296532.1 bauhinia_variegata bauhinia_variegata_KAI4296532.1
bauhinia_variegata_KAI4296533.1 bauhinia_variegata bauhinia_variegata_KAI4296533.1
bauhinia_variegata_KAI4296534.1 bauhinia_variegata bauhinia_variegata_KAI4296534.1
bauhinia_variegata_KAI4296535.1 bauhinia_variegata bauhinia_variegata_KAI4296535.1
bauhinia_variegata_KAI4296543.1 bauhinia_variegata bauhinia_variegata_KAI4296543.1
bauhinia_variegata_KAI4296667.1 bauhinia_variegata bauhinia_variegata_KAI4296667.1
bauhinia_variegata_KAI4297224.1 bauhinia_variegata bauhinia_variegata_KAI4297224.1
bauhinia_variegata_KAI4297613.1 bauhinia_variegata bauhinia_variegata_KAI4297613.1
bauhinia_variegata_KAI4299246.1 bauhinia_variegata bauhinia_variegata_KAI4299246.1
bauhinia_variegata_KAI4299824.1 bauhinia_variegata bauhinia_variegata_KAI4299824.1
bauhinia_variegata_KAI4301251.1 bauhinia_variegata bauhinia_variegata_KAI4301251.1
bauhinia_variegata_KAI4301885.1 bauhinia_variegata bauhinia_variegata_KAI4301885.1
bauhinia_variegata_KAI4305107.1 bauhinia_variegata bauhinia_variegata_KAI4305107.1
bauhinia_variegata_KAI4305108.1 bauhinia_variegata bauhinia_variegata_KAI4305108.1
bauhinia_variegata_KAI4305160.1 bauhinia_variegata bauhinia_variegata_KAI4305160.1
bauhinia_variegata_KAI4305478.1 bauhinia_variegata bauhinia_variegata_KAI4305478.1
bauhinia_variegata_KAI4307876.1 bauhinia_variegata bauhinia_variegata_KAI4307876.1
bauhinia_variegata_KAI4307893.1 bauhinia_variegata bauhinia_variegata_KAI4307893.1
bauhinia_variegata_KAI4317431.1 bauhinia_variegata bauhinia_variegata_KAI4317431.1
bauhinia_variegata_KAI4317442.1 bauhinia_variegata bauhinia_variegata_KAI4317442.1
bauhinia_variegata_KAI4317444.1 bauhinia_variegata bauhinia_variegata_KAI4317444.1
bauhinia_variegata_KAI4317445.1 bauhinia_variegata bauhinia_variegata_KAI4317445.1
bauhinia_variegata_KAI4317834.1 bauhinia_variegata bauhinia_variegata_KAI4317834.1
bauhinia_variegata_KAI4318180.1 bauhinia_variegata bauhinia_variegata_KAI4318180.1
bauhinia_variegata_KAI4322584.1 bauhinia_variegata bauhinia_variegata_KAI4322584.1