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.r1.3AG0412120.1 avena_sativa AVESA.00010b.r1.3AG0412120.1
AVESA.00010b.r1.3AG0416560.1 avena_sativa AVESA.00010b.r1.3AG0416560.1
AVESA.00010b.r1.3CG0451750.1 avena_sativa AVESA.00010b.r1.3CG0451750.1
AVESA.00010b.r1.3CG0451760.1 avena_sativa AVESA.00010b.r1.3CG0451760.1
AVESA.00010b.r1.3CG0456370.1 avena_sativa AVESA.00010b.r1.3CG0456370.1
AVESA.00010b.r1.3CG0457010.1 avena_sativa AVESA.00010b.r1.3CG0457010.1
AVESA.00010b.r1.3CG0459280.1 avena_sativa AVESA.00010b.r1.3CG0459280.1
AVESA.00010b.r1.3CG0506680.1 avena_sativa AVESA.00010b.r1.3CG0506680.1
AVESA.00010b.r1.3CG0512680.2 avena_sativa AVESA.00010b.r1.3CG0512680.2
AVESA.00010b.r1.3DG0553010.1 avena_sativa AVESA.00010b.r1.3DG0553010.1
AVESA.00010b.r1.3DG0553880.1 avena_sativa AVESA.00010b.r1.3DG0553880.1
AVESA.00010b.r1.4AG0583840.1 avena_sativa AVESA.00010b.r1.4AG0583840.1
AVESA.00010b.r1.4AG0619800.1 avena_sativa AVESA.00010b.r1.4AG0619800.1
AVESA.00010b.r1.4AG0619820.1 avena_sativa AVESA.00010b.r1.4AG0619820.1
AVESA.00010b.r1.4AG0622970.1 avena_sativa AVESA.00010b.r1.4AG0622970.1
AVESA.00010b.r1.4AG0628600.1 avena_sativa AVESA.00010b.r1.4AG0628600.1
AVESA.00010b.r1.4AG0628670.1 avena_sativa AVESA.00010b.r1.4AG0628670.1
AVESA.00010b.r1.4AG0628680.1 avena_sativa AVESA.00010b.r1.4AG0628680.1
AVESA.00010b.r1.4AG0632610.1 avena_sativa AVESA.00010b.r1.4AG0632610.1
AVESA.00010b.r1.4AG0638810.1 avena_sativa AVESA.00010b.r1.4AG0638810.1
AVESA.00010b.r1.4CG1249510.1 avena_sativa AVESA.00010b.r1.4CG1249510.1
AVESA.00010b.r1.4CG1250350.1 avena_sativa AVESA.00010b.r1.4CG1250350.1
AVESA.00010b.r1.4CG1250520.1 avena_sativa AVESA.00010b.r1.4CG1250520.1
AVESA.00010b.r1.4CG1250570.1 avena_sativa AVESA.00010b.r1.4CG1250570.1
AVESA.00010b.r1.4CG1256710.1 avena_sativa AVESA.00010b.r1.4CG1256710.1
AVESA.00010b.r1.4CG1266150.1 avena_sativa AVESA.00010b.r1.4CG1266150.1
AVESA.00010b.r1.4CG1271270.1 avena_sativa AVESA.00010b.r1.4CG1271270.1
AVESA.00010b.r1.4CG1271280.1 avena_sativa AVESA.00010b.r1.4CG1271280.1
AVESA.00010b.r1.4CG1271340.1 avena_sativa AVESA.00010b.r1.4CG1271340.1
AVESA.00010b.r1.4CG1277390.1 avena_sativa AVESA.00010b.r1.4CG1277390.1