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.r1.4CG1281120.1 avena_sativa AVESA.00010b.r1.4CG1281120.1
AVESA.00010b.r1.4CG1281300.1 avena_sativa AVESA.00010b.r1.4CG1281300.1
AVESA.00010b.r1.4CG1281360.1 avena_sativa AVESA.00010b.r1.4CG1281360.1
AVESA.00010b.r1.4CG1285170.1 avena_sativa AVESA.00010b.r1.4CG1285170.1
AVESA.00010b.r1.4CG1293860.4 avena_sativa AVESA.00010b.r1.4CG1293860.4
AVESA.00010b.r1.4CG1293870.1 avena_sativa AVESA.00010b.r1.4CG1293870.1
AVESA.00010b.r1.4CG1294550.1 avena_sativa AVESA.00010b.r1.4CG1294550.1
AVESA.00010b.r1.4CG1316550.1 avena_sativa AVESA.00010b.r1.4CG1316550.1
AVESA.00010b.r1.4DG0728440.1 avena_sativa AVESA.00010b.r1.4DG0728440.1
AVESA.00010b.r1.4DG0734570.1 avena_sativa AVESA.00010b.r1.4DG0734570.1
AVESA.00010b.r1.4DG0766380.1 avena_sativa AVESA.00010b.r1.4DG0766380.1
AVESA.00010b.r1.4DG0766390.1 avena_sativa AVESA.00010b.r1.4DG0766390.1
AVESA.00010b.r1.5AG0808310.1 avena_sativa AVESA.00010b.r1.5AG0808310.1
AVESA.00010b.r1.5AG0837510.1 avena_sativa AVESA.00010b.r1.5AG0837510.1
AVESA.00010b.r1.5CG0863480.1 avena_sativa AVESA.00010b.r1.5CG0863480.1
AVESA.00010b.r1.5CG0863490.1 avena_sativa AVESA.00010b.r1.5CG0863490.1
AVESA.00010b.r1.5CG0865330.1 avena_sativa AVESA.00010b.r1.5CG0865330.1
AVESA.00010b.r1.5CG0865630.1 avena_sativa AVESA.00010b.r1.5CG0865630.1
AVESA.00010b.r1.5CG0868580.1 avena_sativa AVESA.00010b.r1.5CG0868580.1
AVESA.00010b.r1.5CG0870200.1 avena_sativa AVESA.00010b.r1.5CG0870200.1
AVESA.00010b.r1.5CG0897150.1 avena_sativa AVESA.00010b.r1.5CG0897150.1
AVESA.00010b.r1.5CG0903140.1 avena_sativa AVESA.00010b.r1.5CG0903140.1
AVESA.00010b.r1.5DG0941640.2 avena_sativa AVESA.00010b.r1.5DG0941640.2
AVESA.00010b.r1.5DG0941650.1 avena_sativa AVESA.00010b.r1.5DG0941650.1
AVESA.00010b.r1.5DG0941660.1 avena_sativa AVESA.00010b.r1.5DG0941660.1
AVESA.00010b.r1.5DG0972240.1 avena_sativa AVESA.00010b.r1.5DG0972240.1
AVESA.00010b.r1.6AG1011800.1 avena_sativa AVESA.00010b.r1.6AG1011800.1
AVESA.00010b.r1.6AG1015430.1 avena_sativa AVESA.00010b.r1.6AG1015430.1
AVESA.00010b.r1.6AG1026990.1 avena_sativa AVESA.00010b.r1.6AG1026990.1
AVESA.00010b.r1.6AG1057780.1 avena_sativa AVESA.00010b.r1.6AG1057780.1