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
panax_japonicus_GWHPBEIH050717.1 panax_japonicus panax_japonicus_GWHPBEIH050717.1
panax_japonicus_GWHPBEIH054009.1 panax_japonicus panax_japonicus_GWHPBEIH054009.1
panax_japonicus_GWHPBEIH064736.1 panax_japonicus panax_japonicus_GWHPBEIH064736.1
panax_japonicus_GWHPBEIH066034.1 panax_japonicus panax_japonicus_GWHPBEIH066034.1
panax_japonicus_GWHPBEIH066839.1 panax_japonicus panax_japonicus_GWHPBEIH066839.1
panax_japonicus_GWHPBEIH067313.1 panax_japonicus panax_japonicus_GWHPBEIH067313.1
panax_japonicus_GWHPBEIH072287.1 panax_japonicus panax_japonicus_GWHPBEIH072287.1
panax_quinquefolius_GWHPBEIR000069.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR000069.1
panax_quinquefolius_GWHPBEIR002234.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR002234.1
panax_quinquefolius_GWHPBEIR002235.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR002235.1
panax_quinquefolius_GWHPBEIR002237.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR002237.1
panax_quinquefolius_GWHPBEIR002238.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR002238.1
panax_quinquefolius_GWHPBEIR002239.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR002239.1
panax_quinquefolius_GWHPBEIR002240.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR002240.1
panax_quinquefolius_GWHPBEIR002241.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR002241.1
panax_quinquefolius_GWHPBEIR002586.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR002586.1
panax_quinquefolius_GWHPBEIR002587.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR002587.1
panax_quinquefolius_GWHPBEIR014976.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR014976.1
panax_quinquefolius_GWHPBEIR015432.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR015432.1
panax_quinquefolius_GWHPBEIR016947.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR016947.1
panax_quinquefolius_GWHPBEIR019742.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR019742.1
panax_quinquefolius_GWHPBEIR019744.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR019744.1
panax_quinquefolius_GWHPBEIR019766.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR019766.1
panax_quinquefolius_GWHPBEIR019768.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR019768.1
panax_quinquefolius_GWHPBEIR022819.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR022819.1
panax_quinquefolius_GWHPBEIR022906.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR022906.1
panax_quinquefolius_GWHPBEIR022907.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR022907.1
panax_quinquefolius_GWHPBEIR023097.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR023097.1
panax_quinquefolius_GWHPBEIR023543.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR023543.1
panax_quinquefolius_GWHPBEIR023544.1 panax_quinquefolius panax_quinquefolius_GWHPBEIR023544.1