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
AatlScoFOjO_2069_27320308480.1 avena_atlantica AatlScoFOjO_2069_27320308480.1
AatlScoFOjO_2069_27320317920.1 avena_atlantica AatlScoFOjO_2069_27320317920.1
AatlScoFOjO_2069_27320318740.1 avena_atlantica AatlScoFOjO_2069_27320318740.1
AatlScoFOjO_324_4490334980.1 avena_atlantica AatlScoFOjO_324_4490334980.1
AatlScoFOjO_324_4490339140.1 avena_atlantica AatlScoFOjO_324_4490339140.1
AatlScoFOjO_324_4490345990.1 avena_atlantica AatlScoFOjO_324_4490345990.1
AatlScoFOjO_324_4490347670.1 avena_atlantica AatlScoFOjO_324_4490347670.1
AatlScoFOjO_324_4490348120.1 avena_atlantica AatlScoFOjO_324_4490348120.1
AatlScoFOjO_324_4490356710.1 avena_atlantica AatlScoFOjO_324_4490356710.1
AatlScoFOjO_324_4490368840.1 avena_atlantica AatlScoFOjO_324_4490368840.1
AatlScoFOjO_324_4490368850.1 avena_atlantica AatlScoFOjO_324_4490368850.1
AatlScoFOjO_324_4490368870.1 avena_atlantica AatlScoFOjO_324_4490368870.1
AatlScoFOjO_324_4490378470.1 avena_atlantica AatlScoFOjO_324_4490378470.1
AatlScoFOjO_324_4490379770.1 avena_atlantica AatlScoFOjO_324_4490379770.1
AatlScoFOjO_324_4490381520.1 avena_atlantica AatlScoFOjO_324_4490381520.1
AatlScoFOjO_324_4490383770.1 avena_atlantica AatlScoFOjO_324_4490383770.1
AatlScoFOjO_324_4490385490.1 avena_atlantica AatlScoFOjO_324_4490385490.1
AatlScoFOjO_324_4490385950.1 avena_atlantica AatlScoFOjO_324_4490385950.1
AatlScoFOjO_324_4490386010.1 avena_atlantica AatlScoFOjO_324_4490386010.1
AatlScoFOjO_324_4490386460.1 avena_atlantica AatlScoFOjO_324_4490386460.1
AatlScoFOjO_324_4490386480.1 avena_atlantica AatlScoFOjO_324_4490386480.1
AatlScoFOjO_324_4490387110.1 avena_atlantica AatlScoFOjO_324_4490387110.1
AatlScoFOjO_324_4490388460.1 avena_atlantica AatlScoFOjO_324_4490388460.1
AatlScoFOjO_350_4830393350.1 avena_atlantica AatlScoFOjO_350_4830393350.1
AatlScoFOjO_350_4830403750.1 avena_atlantica AatlScoFOjO_350_4830403750.1
AatlScoFOjO_350_4830409790.1 avena_atlantica AatlScoFOjO_350_4830409790.1
AatlScoFOjO_448_6030486760.1 avena_atlantica AatlScoFOjO_448_6030486760.1
AatlScoFOjO_448_6030486780.1 avena_atlantica AatlScoFOjO_448_6030486780.1
AVeriSctCcfP_1285_25100009380.1 avena_eriantha AVeriSctCcfP_1285_25100009380.1
AVeriSctCcfP_1285_25100028660.1 avena_eriantha AVeriSctCcfP_1285_25100028660.1