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
AVESA.00010b.r1.2DG0357090.1 avena_sativa AVESA.00010b.r1.2DG0357090.1
AVESA.00010b.r1.2DG0357130.1 avena_sativa AVESA.00010b.r1.2DG0357130.1
AVESA.00010b.r1.2DG0357160.1 avena_sativa AVESA.00010b.r1.2DG0357160.1
AVESA.00010b.r1.2DG0357260.1 avena_sativa AVESA.00010b.r1.2DG0357260.1
AVESA.00010b.r1.2DG0357510.1 avena_sativa AVESA.00010b.r1.2DG0357510.1
AVESA.00010b.r1.2DG0357580.1 avena_sativa AVESA.00010b.r1.2DG0357580.1
AVESA.00010b.r1.2DG0357630.1 avena_sativa AVESA.00010b.r1.2DG0357630.1
AVESA.00010b.r1.2DG0361780.1 avena_sativa AVESA.00010b.r1.2DG0361780.1
AVESA.00010b.r1.2DG0364080.1 avena_sativa AVESA.00010b.r1.2DG0364080.1
AVESA.00010b.r1.2DG0364610.1 avena_sativa AVESA.00010b.r1.2DG0364610.1
AVESA.00010b.r1.2DG0387600.1 avena_sativa AVESA.00010b.r1.2DG0387600.1
AVESA.00010b.r1.2DG0387620.1 avena_sativa AVESA.00010b.r1.2DG0387620.1
AVESA.00010b.r1.2DG0390630.1 avena_sativa AVESA.00010b.r1.2DG0390630.1
AVESA.00010b.r1.2DG0390660.1 avena_sativa AVESA.00010b.r1.2DG0390660.1
AVESA.00010b.r1.2DG0390670.1 avena_sativa AVESA.00010b.r1.2DG0390670.1
AVESA.00010b.r1.2DG0390680.1 avena_sativa AVESA.00010b.r1.2DG0390680.1
AVESA.00010b.r1.2DG0390690.1 avena_sativa AVESA.00010b.r1.2DG0390690.1
AVESA.00010b.r1.2DG0391580.1 avena_sativa AVESA.00010b.r1.2DG0391580.1
AVESA.00010b.r1.2DG0394940.1 avena_sativa AVESA.00010b.r1.2DG0394940.1
AVESA.00010b.r1.2DG0397720.1 avena_sativa AVESA.00010b.r1.2DG0397720.1
AVESA.00010b.r1.2DG0397730.1 avena_sativa AVESA.00010b.r1.2DG0397730.1
AVESA.00010b.r1.2DG0397740.1 avena_sativa AVESA.00010b.r1.2DG0397740.1
AVESA.00010b.r1.2DG0397750.2 avena_sativa AVESA.00010b.r1.2DG0397750.2
AVESA.00010b.r1.3AG0404280.1 avena_sativa AVESA.00010b.r1.3AG0404280.1
AVESA.00010b.r1.3AG0404570.1 avena_sativa AVESA.00010b.r1.3AG0404570.1
AVESA.00010b.r1.3AG0405440.1 avena_sativa AVESA.00010b.r1.3AG0405440.1
AVESA.00010b.r1.3AG0407080.2 avena_sativa AVESA.00010b.r1.3AG0407080.2
AVESA.00010b.r1.3AG0408910.1 avena_sativa AVESA.00010b.r1.3AG0408910.1
AVESA.00010b.r1.3AG0409050.1 avena_sativa AVESA.00010b.r1.3AG0409050.1
AVESA.00010b.r1.3AG0409620.1 avena_sativa AVESA.00010b.r1.3AG0409620.1