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.r1.6AG1075460.1 avena_sativa AVESA.00010b.r1.6AG1075460.1
AVESA.00010b.r1.6CG1089170.1 avena_sativa AVESA.00010b.r1.6CG1089170.1
AVESA.00010b.r1.6CG1089180.1 avena_sativa AVESA.00010b.r1.6CG1089180.1
AVESA.00010b.r1.6CG1104360.1 avena_sativa AVESA.00010b.r1.6CG1104360.1
AVESA.00010b.r1.6CG1116580.1 avena_sativa AVESA.00010b.r1.6CG1116580.1
AVESA.00010b.r1.6CG1116600.1 avena_sativa AVESA.00010b.r1.6CG1116600.1
AVESA.00010b.r1.6CG1116610.1 avena_sativa AVESA.00010b.r1.6CG1116610.1
AVESA.00010b.r1.6CG1119900.1 avena_sativa AVESA.00010b.r1.6CG1119900.1
AVESA.00010b.r1.6CG1119910.1 avena_sativa AVESA.00010b.r1.6CG1119910.1
AVESA.00010b.r1.6CG1119920.1 avena_sativa AVESA.00010b.r1.6CG1119920.1
AVESA.00010b.r1.6CG1121850.1 avena_sativa AVESA.00010b.r1.6CG1121850.1
AVESA.00010b.r1.6CG1122830.1 avena_sativa AVESA.00010b.r1.6CG1122830.1
AVESA.00010b.r1.6CG1149120.1 avena_sativa AVESA.00010b.r1.6CG1149120.1
AVESA.00010b.r1.6DG1150150.1 avena_sativa AVESA.00010b.r1.6DG1150150.1
AVESA.00010b.r1.6DG1153190.1 avena_sativa AVESA.00010b.r1.6DG1153190.1
AVESA.00010b.r1.6DG1172750.1 avena_sativa AVESA.00010b.r1.6DG1172750.1
AVESA.00010b.r1.6DG1183880.1 avena_sativa AVESA.00010b.r1.6DG1183880.1
AVESA.00010b.r1.7AG1193660.1 avena_sativa AVESA.00010b.r1.7AG1193660.1
AVESA.00010b.r1.7AG1198310.1 avena_sativa AVESA.00010b.r1.7AG1198310.1
AVESA.00010b.r1.7AG1198940.1 avena_sativa AVESA.00010b.r1.7AG1198940.1
AVESA.00010b.r1.7AG1199100.1 avena_sativa AVESA.00010b.r1.7AG1199100.1
AVESA.00010b.r1.7AG1199110.1 avena_sativa AVESA.00010b.r1.7AG1199110.1
AVESA.00010b.r1.7AG1199120.1 avena_sativa AVESA.00010b.r1.7AG1199120.1
AVESA.00010b.r1.7AG1199140.1 avena_sativa AVESA.00010b.r1.7AG1199140.1
AVESA.00010b.r1.7AG1199450.1 avena_sativa AVESA.00010b.r1.7AG1199450.1
AVESA.00010b.r1.7AG1199460.1 avena_sativa AVESA.00010b.r1.7AG1199460.1
AVESA.00010b.r1.7AG1199960.1 avena_sativa AVESA.00010b.r1.7AG1199960.1
AVESA.00010b.r1.7AG1200770.1 avena_sativa AVESA.00010b.r1.7AG1200770.1
AVESA.00010b.r1.7AG1203530.1 avena_sativa AVESA.00010b.r1.7AG1203530.1
AVESA.00010b.r1.7AG1206250.1 avena_sativa AVESA.00010b.r1.7AG1206250.1