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
Agluscaffold7140_cov980374130 alnus_glutinosa Agluscaffold7140_cov980374130
Agluscaffold7257_cov1120376390 alnus_glutinosa Agluscaffold7257_cov1120376390
Agluscaffold725_cov940376560 alnus_glutinosa Agluscaffold725_cov940376560
Agluscaffold873_cov1040410160 alnus_glutinosa Agluscaffold873_cov1040410160
Agluscaffold8802_cov1020411220 alnus_glutinosa Agluscaffold8802_cov1020411220
Agluscaffold8802_cov1020411230 alnus_glutinosa Agluscaffold8802_cov1020411230
Agluscaffold8880_cov600414070 alnus_glutinosa Agluscaffold8880_cov600414070
Agluscaffold920_cov1060419200 alnus_glutinosa Agluscaffold920_cov1060419200
alnus_rubra_ALNRU00007837-RA alnus_rubra alnus_rubra_ALNRU00007837-RA
alnus_rubra_ALNRU00007900-RA alnus_rubra alnus_rubra_ALNRU00007900-RA
alnus_rubra_ALNRU00007907-RA alnus_rubra alnus_rubra_ALNRU00007907-RA
alnus_rubra_ALNRU00009646-RA alnus_rubra alnus_rubra_ALNRU00009646-RA
alnus_rubra_ALNRU00009655-RA alnus_rubra alnus_rubra_ALNRU00009655-RA
alnus_rubra_ALNRU00012129-RA alnus_rubra alnus_rubra_ALNRU00012129-RA
alnus_rubra_ALNRU00012149-RA alnus_rubra alnus_rubra_ALNRU00012149-RA
alnus_rubra_ALNRU00012151-RA alnus_rubra alnus_rubra_ALNRU00012151-RA
alnus_rubra_ALNRU00012563-RA alnus_rubra alnus_rubra_ALNRU00012563-RA
alnus_rubra_ALNRU00012572-RA alnus_rubra alnus_rubra_ALNRU00012572-RA
alnus_rubra_ALNRU00012575-RA alnus_rubra alnus_rubra_ALNRU00012575-RA
alnus_rubra_ALNRU00025207-RA alnus_rubra alnus_rubra_ALNRU00025207-RA
alnus_rubra_ALNRU00027048-RA alnus_rubra alnus_rubra_ALNRU00027048-RA
alnus_rubra_ALNRU00027081-RA alnus_rubra alnus_rubra_ALNRU00027081-RA
alnus_rubra_ALNRU00038160-RA alnus_rubra alnus_rubra_ALNRU00038160-RA
alnus_rubra_ALNRU00038244-RA alnus_rubra alnus_rubra_ALNRU00038244-RA
alnus_rubra_ALNRU00039598-RA alnus_rubra alnus_rubra_ALNRU00039598-RA
alnus_rubra_ALNRU00039890-RA alnus_rubra alnus_rubra_ALNRU00039890-RA
alnus_rubra_ALNRU00054242-RA alnus_rubra alnus_rubra_ALNRU00054242-RA
alnus_rubra_ALNRU00054244-RA alnus_rubra alnus_rubra_ALNRU00054244-RA
alnus_rubra_ALNRU00054246-RA alnus_rubra alnus_rubra_ALNRU00054246-RA
alnus_rubra_ALNRU00054255-RA alnus_rubra alnus_rubra_ALNRU00054255-RA