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
Aalp08G0051050 arabis_alpina Aalp08G0051050
Aalpscaffold_3760007730 arabis_alpina Aalpscaffold_3760007730
Aalpscaffold_4420008440 arabis_alpina Aalpscaffold_4420008440
Aalpscaffold_4420008450 arabis_alpina Aalpscaffold_4420008450
arabis_nemorensis_VVA91556.1 arabis_nemorensis arabis_nemorensis_VVA91556.1
arabis_nemorensis_VVA92635.1 arabis_nemorensis arabis_nemorensis_VVA92635.1
arabis_nemorensis_VVA93393.1 arabis_nemorensis arabis_nemorensis_VVA93393.1
arabis_nemorensis_VVA93394.1 arabis_nemorensis arabis_nemorensis_VVA93394.1
arabis_nemorensis_VVA93896.1 arabis_nemorensis arabis_nemorensis_VVA93896.1
arabis_nemorensis_VVA95749.1 arabis_nemorensis arabis_nemorensis_VVA95749.1
arabis_nemorensis_VVA95756.1 arabis_nemorensis arabis_nemorensis_VVA95756.1
arabis_nemorensis_VVA95758.1 arabis_nemorensis arabis_nemorensis_VVA95758.1
arabis_nemorensis_VVA95805.1 arabis_nemorensis arabis_nemorensis_VVA95805.1
arabis_nemorensis_VVA95806.1 arabis_nemorensis arabis_nemorensis_VVA95806.1
arabis_nemorensis_VVA95807.1 arabis_nemorensis arabis_nemorensis_VVA95807.1
arabis_nemorensis_VVA95854.1 arabis_nemorensis arabis_nemorensis_VVA95854.1
arabis_nemorensis_VVA95855.1 arabis_nemorensis arabis_nemorensis_VVA95855.1
arabis_nemorensis_VVA96353.1 arabis_nemorensis arabis_nemorensis_VVA96353.1
arabis_nemorensis_VVA96507.1 arabis_nemorensis arabis_nemorensis_VVA96507.1
arabis_nemorensis_VVA98722.1 arabis_nemorensis arabis_nemorensis_VVA98722.1
arabis_nemorensis_VVA99106.1 arabis_nemorensis arabis_nemorensis_VVA99106.1
arabis_nemorensis_VVB01038.1 arabis_nemorensis arabis_nemorensis_VVB01038.1
arabis_nemorensis_VVB01042.1 arabis_nemorensis arabis_nemorensis_VVB01042.1
arabis_nemorensis_VVB01114.1 arabis_nemorensis arabis_nemorensis_VVB01114.1
arabis_nemorensis_VVB01326.1 arabis_nemorensis arabis_nemorensis_VVB01326.1
arabis_nemorensis_VVB01327.1 arabis_nemorensis arabis_nemorensis_VVB01327.1
arabis_nemorensis_VVB01328.1 arabis_nemorensis arabis_nemorensis_VVB01328.1
arabis_nemorensis_VVB03281.1 arabis_nemorensis arabis_nemorensis_VVB03281.1
arabis_nemorensis_VVB04071.1 arabis_nemorensis arabis_nemorensis_VVB04071.1
arabis_nemorensis_VVB04072.1 arabis_nemorensis arabis_nemorensis_VVB04072.1