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
arabidopsis_arenosa_CAE5964646.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5964646.1
arabidopsis_arenosa_CAE5964647.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5964647.1
arabidopsis_arenosa_CAE5964648.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5964648.1
arabidopsis_arenosa_CAE5964702.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5964702.1
arabidopsis_arenosa_CAE5966001.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5966001.1
arabidopsis_arenosa_CAE5966156.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5966156.1
arabidopsis_arenosa_CAE5967274.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5967274.1
arabidopsis_arenosa_CAE5968170.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5968170.1
arabidopsis_arenosa_CAE5973325.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5973325.1
arabidopsis_arenosa_CAE5978199.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5978199.1
arabidopsis_arenosa_CAE5978551.1 arabidopsis_arenosa arabidopsis_arenosa_CAE5978551.1
arabidopsis_arenosa_CAE6003975.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6003975.1
arabidopsis_arenosa_CAE6005105.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6005105.1
arabidopsis_arenosa_CAE6005943.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6005943.1
arabidopsis_arenosa_CAE6047911.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6047911.1
arabidopsis_arenosa_CAE6066811.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6066811.1
arabidopsis_arenosa_CAE6072476.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6072476.1
arabidopsis_arenosa_CAE6072624.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6072624.1
arabidopsis_arenosa_CAE6072924.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6072924.1
arabidopsis_arenosa_CAE6073345.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6073345.1
arabidopsis_arenosa_CAE6075185.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6075185.1
arabidopsis_arenosa_CAE6076810.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6076810.1
arabidopsis_arenosa_CAE6078532.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6078532.1
arabidopsis_arenosa_CAE6115889.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6115889.1
arabidopsis_arenosa_CAE6125013.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6125013.1
arabidopsis_arenosa_CAE6125058.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6125058.1
arabidopsis_arenosa_CAE6125083.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6125083.1
arabidopsis_arenosa_CAE6125189.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6125189.1
arabidopsis_arenosa_CAE6125212.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6125212.1
arabidopsis_arenosa_CAE6139598.1 arabidopsis_arenosa arabidopsis_arenosa_CAE6139598.1