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
annona_cherimola_Anche102Chr5g0078040.1 annona_cherimola annona_cherimola_Anche102Chr5g0078040.1
annona_cherimola_Anche102Chr5g0078150.1 annona_cherimola annona_cherimola_Anche102Chr5g0078150.1
annona_cherimola_Anche102Chr5g0078160.1 annona_cherimola annona_cherimola_Anche102Chr5g0078160.1
annona_cherimola_Anche102Chr5g0078190.1 annona_cherimola annona_cherimola_Anche102Chr5g0078190.1
annona_cherimola_Anche102Chr5g0078240.1 annona_cherimola annona_cherimola_Anche102Chr5g0078240.1
annona_cherimola_Anche102Chr5g0078260.1 annona_cherimola annona_cherimola_Anche102Chr5g0078260.1
annona_cherimola_Anche102Chr5g0078330.1 annona_cherimola annona_cherimola_Anche102Chr5g0078330.1
annona_cherimola_Anche102Chr5g0078380.1 annona_cherimola annona_cherimola_Anche102Chr5g0078380.1
annona_cherimola_Anche102Chr5g0078390.1 annona_cherimola annona_cherimola_Anche102Chr5g0078390.1
annona_cherimola_Anche102Chr5g0078440.1 annona_cherimola annona_cherimola_Anche102Chr5g0078440.1
annona_cherimola_Anche102Chr5g0078460.1 annona_cherimola annona_cherimola_Anche102Chr5g0078460.1
annona_cherimola_Anche102Chr5g0078570.1 annona_cherimola annona_cherimola_Anche102Chr5g0078570.1
annona_cherimola_Anche102Chr5g0078870.1 annona_cherimola annona_cherimola_Anche102Chr5g0078870.1
annona_cherimola_Anche102Chr5g0078890.1 annona_cherimola annona_cherimola_Anche102Chr5g0078890.1
annona_cherimola_Anche102Chr5g0078940.1 annona_cherimola annona_cherimola_Anche102Chr5g0078940.1
annona_cherimola_Anche102Chr5g0078960.1 annona_cherimola annona_cherimola_Anche102Chr5g0078960.1
annona_cherimola_Anche102Chr6g0041870.1 annona_cherimola annona_cherimola_Anche102Chr6g0041870.1
annona_cherimola_Anche102Chr6g0041910.1 annona_cherimola annona_cherimola_Anche102Chr6g0041910.1
annona_cherimola_Anche102Chr6g0080200.1 annona_cherimola annona_cherimola_Anche102Chr6g0080200.1
annona_cherimola_Anche102Chr6g0080540.1 annona_cherimola annona_cherimola_Anche102Chr6g0080540.1
annona_cherimola_Anche102Chr7g0006860.1 annona_cherimola annona_cherimola_Anche102Chr7g0006860.1
annona_cherimola_Anche102Chr7g0006930.1 annona_cherimola annona_cherimola_Anche102Chr7g0006930.1
annona_cherimola_Anche102Chr7g0007190.1 annona_cherimola annona_cherimola_Anche102Chr7g0007190.1
annona_cherimola_Anche102Chr7g0063830.1 annona_cherimola annona_cherimola_Anche102Chr7g0063830.1
annona_cherimola_Anche102Chr7g0063840.1 annona_cherimola annona_cherimola_Anche102Chr7g0063840.1
annona_cherimola_Anche102Chr7g0064340.1 annona_cherimola annona_cherimola_Anche102Chr7g0064340.1
annona_cherimola_Anche102Chr7g0112450.1 annona_cherimola annona_cherimola_Anche102Chr7g0112450.1
annona_cherimola_Anche102Chr7g0140880.1 annona_cherimola annona_cherimola_Anche102Chr7g0140880.1
annona_cherimola_Anche102Chr7g0140910.1 annona_cherimola annona_cherimola_Anche102Chr7g0140910.1
annona_cherimola_Anche102Chr7g0140920.1 annona_cherimola annona_cherimola_Anche102Chr7g0140920.1