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
acacia_pycnantha_KAI9117869.1 acacia_pycnantha acacia_pycnantha_KAI9117869.1
acacia_pycnantha_KAI9117882.1 acacia_pycnantha acacia_pycnantha_KAI9117882.1
acacia_pycnantha_KAI9117890.1 acacia_pycnantha acacia_pycnantha_KAI9117890.1
acacia_pycnantha_KAI9117929.1 acacia_pycnantha acacia_pycnantha_KAI9117929.1
acacia_pycnantha_KAI9117956.1 acacia_pycnantha acacia_pycnantha_KAI9117956.1
acacia_pycnantha_KAI9119301.1 acacia_pycnantha acacia_pycnantha_KAI9119301.1
acacia_pycnantha_KAI9119422.1 acacia_pycnantha acacia_pycnantha_KAI9119422.1
acacia_pycnantha_KAI9120449.1 acacia_pycnantha acacia_pycnantha_KAI9120449.1
acacia_pycnantha_KAI9120621.1 acacia_pycnantha acacia_pycnantha_KAI9120621.1
acacia_pycnantha_KAI9124609.1 acacia_pycnantha acacia_pycnantha_KAI9124609.1
acer_truncatum_Atru.chr1.2810 acer_truncatum acer_truncatum_Atru.chr1.2810
acer_truncatum_Atru.chr10.1273 acer_truncatum acer_truncatum_Atru.chr10.1273
acer_truncatum_Atru.chr10.1300 acer_truncatum acer_truncatum_Atru.chr10.1300
acer_truncatum_Atru.chr10.1302 acer_truncatum acer_truncatum_Atru.chr10.1302
acer_truncatum_Atru.chr10.1819 acer_truncatum acer_truncatum_Atru.chr10.1819
acer_truncatum_Atru.chr10.1836 acer_truncatum acer_truncatum_Atru.chr10.1836
acer_truncatum_Atru.chr10.1962 acer_truncatum acer_truncatum_Atru.chr10.1962
acer_truncatum_Atru.chr10.2060 acer_truncatum acer_truncatum_Atru.chr10.2060
acer_truncatum_Atru.chr10.2061 acer_truncatum acer_truncatum_Atru.chr10.2061
acer_truncatum_Atru.chr10.2064 acer_truncatum acer_truncatum_Atru.chr10.2064
acer_truncatum_Atru.chr10.2065 acer_truncatum acer_truncatum_Atru.chr10.2065
acer_truncatum_Atru.chr11.749 acer_truncatum acer_truncatum_Atru.chr11.749
acer_truncatum_Atru.chr12.1430 acer_truncatum acer_truncatum_Atru.chr12.1430
acer_truncatum_Atru.chr12.1431 acer_truncatum acer_truncatum_Atru.chr12.1431
acer_truncatum_Atru.chr12.1445 acer_truncatum acer_truncatum_Atru.chr12.1445
acer_truncatum_Atru.chr12.1446 acer_truncatum acer_truncatum_Atru.chr12.1446
acer_truncatum_Atru.chr12.1662 acer_truncatum acer_truncatum_Atru.chr12.1662
acer_truncatum_Atru.chr12.1752 acer_truncatum acer_truncatum_Atru.chr12.1752
acer_truncatum_Atru.chr2.1566 acer_truncatum acer_truncatum_Atru.chr2.1566
acer_truncatum_Atru.chr2.245 acer_truncatum acer_truncatum_Atru.chr2.245