PlantSME Plant secondary metabolism enzyme database
SQE

SQE

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 SQE.

Lineage Coverage
Detected in 773 of 789 public species; click a lineage to inspect its species list.
Algae
Bryophytes
Lycophytes/Ferns
Gymnosperms
Basal angiosperms
Monocots
Eudicots
Species Distribution
Fragaria ananassa
Fragaria chiloensis
Rosa multiflora
Gossypium raimondii
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 4569 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
salix_purpurea_Sapur.T000200.1.p salix_purpurea salix_purpurea_Sapur.T000200.1.p
salix_purpurea_Sapur.T000300.1.p salix_purpurea salix_purpurea_Sapur.T000300.1.p
salix_suchowensis_KAG5222532.1 salix_suchowensis salix_suchowensis_KAG5222532.1
salix_suchowensis_KAG5223028.1 salix_suchowensis salix_suchowensis_KAG5223028.1
salix_suchowensis_KAG5223435.1 salix_suchowensis salix_suchowensis_KAG5223435.1
salix_suchowensis_KAG5223766.1 salix_suchowensis salix_suchowensis_KAG5223766.1
salix_suchowensis_KAG5223767.1 salix_suchowensis salix_suchowensis_KAG5223767.1
salix_suchowensis_KAG5223774.1 salix_suchowensis salix_suchowensis_KAG5223774.1
salix_suchowensis_KAG5223779.1 salix_suchowensis salix_suchowensis_KAG5223779.1
salix_suchowensis_KAG5223796.1 salix_suchowensis salix_suchowensis_KAG5223796.1
salix_suchowensis_KAG5223797.1 salix_suchowensis salix_suchowensis_KAG5223797.1
salix_suchowensis_KAG5223813.1 salix_suchowensis salix_suchowensis_KAG5223813.1
salix_suchowensis_KAG5223989.1 salix_suchowensis salix_suchowensis_KAG5223989.1
salix_suchowensis_KAG5223994.1 salix_suchowensis salix_suchowensis_KAG5223994.1
salix_suchowensis_KAG5224002.1 salix_suchowensis salix_suchowensis_KAG5224002.1
salix_suchowensis_KAG5224078.1 salix_suchowensis salix_suchowensis_KAG5224078.1
salix_suchowensis_KAG5228806.1 salix_suchowensis salix_suchowensis_KAG5228806.1
salix_suchowensis_KAG5230481.1 salix_suchowensis salix_suchowensis_KAG5230481.1
salix_suchowensis_KAG5238656.1 salix_suchowensis salix_suchowensis_KAG5238656.1
salix_suchowensis_KAG5241058.1 salix_suchowensis salix_suchowensis_KAG5241058.1
salix_suchowensis_KAG5241679.1 salix_suchowensis salix_suchowensis_KAG5241679.1
salix_suchowensis_KAG5245754.1 salix_suchowensis salix_suchowensis_KAG5245754.1
salix_suchowensis_KAG5251154.1 salix_suchowensis salix_suchowensis_KAG5251154.1
Sbow02G0054010.1 salvia_bowleyana Sbow02G0054010.1
Sbow05G0018030.1 salvia_bowleyana Sbow05G0018030.1
Sbow06G0034820.1 salvia_bowleyana Sbow06G0034820.1
Sbow07G0030540.1 salvia_bowleyana Sbow07G0030540.1
Smil00G0008060.1 salvia_miltiorrhiza Smil00G0008060.1
Smil02G0011860.1 salvia_miltiorrhiza Smil02G0011860.1
Smil02G0019370.1 salvia_miltiorrhiza Smil02G0019370.1