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
ara_suecica_KAG7546817.1 arabidopsis_suecica ara_suecica_KAG7546817.1
ara_suecica_KAG7547273.1 arabidopsis_suecica ara_suecica_KAG7547273.1
ara_suecica_KAG7547546.1 arabidopsis_suecica ara_suecica_KAG7547546.1
ara_suecica_KAG7556170.1 arabidopsis_suecica ara_suecica_KAG7556170.1
ara_suecica_KAG7556769.1 arabidopsis_suecica ara_suecica_KAG7556769.1
ara_suecica_KAG7557828.1 arabidopsis_suecica ara_suecica_KAG7557828.1
ara_suecica_KAG7557829.1 arabidopsis_suecica ara_suecica_KAG7557829.1
ara_suecica_KAG7563536.1 arabidopsis_suecica ara_suecica_KAG7563536.1
ara_suecica_KAG7563992.1 arabidopsis_suecica ara_suecica_KAG7563992.1
ara_suecica_KAG7564057.1 arabidopsis_suecica ara_suecica_KAG7564057.1
ara_suecica_KAG7564523.1 arabidopsis_suecica ara_suecica_KAG7564523.1
ara_suecica_KAG7564524.1 arabidopsis_suecica ara_suecica_KAG7564524.1
ara_suecica_KAG7564983.1 arabidopsis_suecica ara_suecica_KAG7564983.1
ara_suecica_KAG7564984.1 arabidopsis_suecica ara_suecica_KAG7564984.1
ara_suecica_KAG7566413.1 arabidopsis_suecica ara_suecica_KAG7566413.1
ara_suecica_KAG7566557.1 arabidopsis_suecica ara_suecica_KAG7566557.1
ara_suecica_KAG7566808.1 arabidopsis_suecica ara_suecica_KAG7566808.1
ara_suecica_KAG7571867.1 arabidopsis_suecica ara_suecica_KAG7571867.1
ara_suecica_KAG7572411.1 arabidopsis_suecica ara_suecica_KAG7572411.1
ara_suecica_KAG7573021.1 arabidopsis_suecica ara_suecica_KAG7573021.1
ara_suecica_KAG7574798.1 arabidopsis_suecica ara_suecica_KAG7574798.1
ara_suecica_KAG7580534.1 arabidopsis_suecica ara_suecica_KAG7580534.1
ara_suecica_KAG7580720.1 arabidopsis_suecica ara_suecica_KAG7580720.1
ara_suecica_KAG7581947.1 arabidopsis_suecica ara_suecica_KAG7581947.1
ara_suecica_KAG7581948.1 arabidopsis_suecica ara_suecica_KAG7581948.1
ara_suecica_KAG7583417.1 arabidopsis_suecica ara_suecica_KAG7583417.1
ara_suecica_KAG7583418.1 arabidopsis_suecica ara_suecica_KAG7583418.1
ara_suecica_KAG7583419.1 arabidopsis_suecica ara_suecica_KAG7583419.1
ara_suecica_KAG7583420.1 arabidopsis_suecica ara_suecica_KAG7583420.1
ara_suecica_KAG7583563.1 arabidopsis_suecica ara_suecica_KAG7583563.1