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
nyssa_yunnanensis_genemark-279060-processed-gene-0.5-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_genemark-279060-processed-gene-0.5-mRNA-1
nyssa_yunnanensis_maker-124-augustus-gene-82.8-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-124-augustus-gene-82.8-mRNA-1
nyssa_yunnanensis_maker-179-augustus-gene-17.4-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-179-augustus-gene-17.4-mRNA-1
nyssa_yunnanensis_maker-192-augustus-gene-4.17-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-192-augustus-gene-4.17-mRNA-1
nyssa_yunnanensis_maker-199-augustus-gene-4.9-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-199-augustus-gene-4.9-mRNA-1
nyssa_yunnanensis_maker-208277-augustus-gene-0.4-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-208277-augustus-gene-0.4-mRNA-1
nyssa_yunnanensis_maker-208277-augustus-gene-0.5-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-208277-augustus-gene-0.5-mRNA-1
nyssa_yunnanensis_maker-243159-augustus-gene-0.4-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-243159-augustus-gene-0.4-mRNA-1
nyssa_yunnanensis_maker-268432-augustus-gene-0.6-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-268432-augustus-gene-0.6-mRNA-1
nyssa_yunnanensis_maker-290637-augustus-gene-0.2-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-290637-augustus-gene-0.2-mRNA-1
nyssa_yunnanensis_maker-420-augustus-gene-7.12-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-420-augustus-gene-7.12-mRNA-1
nyssa_yunnanensis_maker-420-augustus-gene-8.16-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-420-augustus-gene-8.16-mRNA-1
nyssa_yunnanensis_maker-579506-augustus-gene-0.3-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-579506-augustus-gene-0.3-mRNA-1
nyssa_yunnanensis_maker-579508-augustus-gene-0.3-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-579508-augustus-gene-0.3-mRNA-1
nyssa_yunnanensis_maker-579509-augustus-gene-0.3-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-579509-augustus-gene-0.3-mRNA-1
nyssa_yunnanensis_maker-666-augustus-gene-4.5-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-666-augustus-gene-4.5-mRNA-1
nyssa_yunnanensis_maker-671-augustus-gene-4.13-mRNA-1 nyssa_yunnanensis nyssa_yunnanensis_maker-671-augustus-gene-4.13-mRNA-1
ochroma_pyramidale_OCHPYR08232_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR08232_OCHPYR
ochroma_pyramidale_OCHPYR18170_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR18170_OCHPYR
ochroma_pyramidale_OCHPYR18172_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR18172_OCHPYR
ochroma_pyramidale_OCHPYR20238_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR20238_OCHPYR
ochroma_pyramidale_OCHPYR24789_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR24789_OCHPYR
ochroma_pyramidale_OCHPYR30078_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR30078_OCHPYR
ochroma_pyramidale_OCHPYR30900_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR30900_OCHPYR
ochroma_pyramidale_OCHPYR35707_OCHPYR ochroma_pyramidale ochroma_pyramidale_OCHPYR35707_OCHPYR
ocimum_basilicum_1347.g2.t1 ocimum_basilicum ocimum_basilicum_1347.g2.t1
ocimum_basilicum_378165.g1.t1 ocimum_basilicum ocimum_basilicum_378165.g1.t1
ocimum_basilicum_384400.g50.t1 ocimum_basilicum ocimum_basilicum_384400.g50.t1
ocimum_basilicum_384473.g21.t1 ocimum_basilicum ocimum_basilicum_384473.g21.t1
ocimum_basilicum_385214.g10.t1 ocimum_basilicum ocimum_basilicum_385214.g10.t1