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
argentina_anserina_Poanv1_7G00207.1 argentina_anserina argentina_anserina_Poanv1_7G00207.1
argentina_anserina_Poanv1_7G00837.1 argentina_anserina argentina_anserina_Poanv1_7G00837.1
argentina_anserina_Poanv1_7G00839.1 argentina_anserina argentina_anserina_Poanv1_7G00839.1
argentina_anserina_Poanv1_7G01087.1 argentina_anserina argentina_anserina_Poanv1_7G01087.1
argentina_anserina_Poanv1_7G01484.1 argentina_anserina argentina_anserina_Poanv1_7G01484.1
argentina_anserina_Poanv1_8G00274.1 argentina_anserina argentina_anserina_Poanv1_8G00274.1
argentina_anserina_Poanv1_8G00414.1 argentina_anserina argentina_anserina_Poanv1_8G00414.1
argentina_anserina_Poanv1_8G00534.1 argentina_anserina argentina_anserina_Poanv1_8G00534.1
argentina_anserina_Poanv1_8G01679.1 argentina_anserina argentina_anserina_Poanv1_8G01679.1
argentina_anserina_Poanv1_9G00696.1 argentina_anserina argentina_anserina_Poanv1_9G00696.1
argentina_anserina_Poanv1_9G02636.1 argentina_anserina argentina_anserina_Poanv1_9G02636.1
argentina_anserina_Poanv1_9G02661.1 argentina_anserina argentina_anserina_Poanv1_9G02661.1
EVM0000319.mRNA1 aristolochia_contorta EVM0000319.mRNA1
EVM0000432.mRNA1 aristolochia_contorta EVM0000432.mRNA1
EVM0000445.mRNA1 aristolochia_contorta EVM0000445.mRNA1
EVM0001009.mRNA1 aristolochia_contorta EVM0001009.mRNA1
EVM0001200.mRNA1 aristolochia_contorta EVM0001200.mRNA1
EVM0001751.mRNA1 aristolochia_contorta EVM0001751.mRNA1
EVM0002001.mRNA1 aristolochia_contorta EVM0002001.mRNA1
EVM0002363.mRNA1 aristolochia_contorta EVM0002363.mRNA1
EVM0002381.mRNA1 aristolochia_contorta EVM0002381.mRNA1
EVM0002392.mRNA1 aristolochia_contorta EVM0002392.mRNA1
EVM0003188.mRNA1 aristolochia_contorta EVM0003188.mRNA1
EVM0004326.mRNA1 aristolochia_contorta EVM0004326.mRNA1
EVM0004352.mRNA1 aristolochia_contorta EVM0004352.mRNA1
EVM0004457.mRNA1 aristolochia_contorta EVM0004457.mRNA1
EVM0004925.mRNA1 aristolochia_contorta EVM0004925.mRNA1
EVM0005122.mRNA1 aristolochia_contorta EVM0005122.mRNA1
EVM0005140.mRNA1 aristolochia_contorta EVM0005140.mRNA1
EVM0005757.mRNA1 aristolochia_contorta EVM0005757.mRNA1