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.r1.1CG0118710.1 avena_sativa AVESA.00010b.r1.1CG0118710.1
AVESA.00010b.r1.1CG0118810.2 avena_sativa AVESA.00010b.r1.1CG0118810.2
AVESA.00010b.r1.1DG0123880.1 avena_sativa AVESA.00010b.r1.1DG0123880.1
AVESA.00010b.r1.1DG0175260.1 avena_sativa AVESA.00010b.r1.1DG0175260.1
AVESA.00010b.r1.1DG0194180.1 avena_sativa AVESA.00010b.r1.1DG0194180.1
AVESA.00010b.r1.2AG0220800.1 avena_sativa AVESA.00010b.r1.2AG0220800.1
AVESA.00010b.r1.2AG0238890.1 avena_sativa AVESA.00010b.r1.2AG0238890.1
AVESA.00010b.r1.2AG0238910.1 avena_sativa AVESA.00010b.r1.2AG0238910.1
AVESA.00010b.r1.2AG0239530.1 avena_sativa AVESA.00010b.r1.2AG0239530.1
AVESA.00010b.r1.2AG0241630.1 avena_sativa AVESA.00010b.r1.2AG0241630.1
AVESA.00010b.r1.2AG0245570.1 avena_sativa AVESA.00010b.r1.2AG0245570.1
AVESA.00010b.r1.2AG0245960.1 avena_sativa AVESA.00010b.r1.2AG0245960.1
AVESA.00010b.r1.2AG0245970.1 avena_sativa AVESA.00010b.r1.2AG0245970.1
AVESA.00010b.r1.2AG0245990.1 avena_sativa AVESA.00010b.r1.2AG0245990.1
AVESA.00010b.r1.2AG0249680.1 avena_sativa AVESA.00010b.r1.2AG0249680.1
AVESA.00010b.r1.2CG0266730.1 avena_sativa AVESA.00010b.r1.2CG0266730.1
AVESA.00010b.r1.2CG0273110.1 avena_sativa AVESA.00010b.r1.2CG0273110.1
AVESA.00010b.r1.2CG0289780.1 avena_sativa AVESA.00010b.r1.2CG0289780.1
AVESA.00010b.r1.2CG0300470.1 avena_sativa AVESA.00010b.r1.2CG0300470.1
AVESA.00010b.r1.2CG0317690.1 avena_sativa AVESA.00010b.r1.2CG0317690.1
AVESA.00010b.r1.2CG0320030.1 avena_sativa AVESA.00010b.r1.2CG0320030.1
AVESA.00010b.r1.2CG0320370.2 avena_sativa AVESA.00010b.r1.2CG0320370.2
AVESA.00010b.r1.2CG0324170.1 avena_sativa AVESA.00010b.r1.2CG0324170.1
AVESA.00010b.r1.2CG0324350.1 avena_sativa AVESA.00010b.r1.2CG0324350.1
AVESA.00010b.r1.2CG0324380.1 avena_sativa AVESA.00010b.r1.2CG0324380.1
AVESA.00010b.r1.2CG0324790.1 avena_sativa AVESA.00010b.r1.2CG0324790.1
AVESA.00010b.r1.2CG0325080.1 avena_sativa AVESA.00010b.r1.2CG0325080.1
AVESA.00010b.r1.2CG0325630.1 avena_sativa AVESA.00010b.r1.2CG0325630.1
AVESA.00010b.r1.2CG0325640.1 avena_sativa AVESA.00010b.r1.2CG0325640.1
AVESA.00010b.r1.2DG0329460.1 avena_sativa AVESA.00010b.r1.2DG0329460.1