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
acacia_pycnantha_KAI9121119.1 acacia_pycnantha acacia_pycnantha_KAI9121119.1
acacia_pycnantha_KAI9122964.1 acacia_pycnantha acacia_pycnantha_KAI9122964.1
acacia_pycnantha_KAI9127692.1 acacia_pycnantha acacia_pycnantha_KAI9127692.1
acer_truncatum_Atru.chr13.878 acer_truncatum acer_truncatum_Atru.chr13.878
acer_truncatum_Atru.chr2.2133 acer_truncatum acer_truncatum_Atru.chr2.2133
acer_truncatum_Atru.chr2.2134 acer_truncatum acer_truncatum_Atru.chr2.2134
acer_truncatum_Atru.chr2.2138_Atru.chr2.2139_Atru.chr2.2141 acer_truncatum acer_truncatum_Atru.chr2.2138_Atru.chr2.2139_Atru.chr2.2141
acer_truncatum_Atru.chr2.2140 acer_truncatum acer_truncatum_Atru.chr2.2140
acer_truncatum_Atru.chr2.2144 acer_truncatum acer_truncatum_Atru.chr2.2144
acer_truncatum_Atru.chr3.1067 acer_truncatum acer_truncatum_Atru.chr3.1067
acer_truncatum_Atru.chr3.4178 acer_truncatum acer_truncatum_Atru.chr3.4178
acer_truncatum_Atru.chr3.4188 acer_truncatum acer_truncatum_Atru.chr3.4188
acer_truncatum_Atru.chr5.2158 acer_truncatum acer_truncatum_Atru.chr5.2158
Acyan03G0176600.1 acer_yangbiense Acyan03G0176600.1
Acyan03G0176700.1 acer_yangbiense Acyan03G0176700.1
Acyan03G0176800.1 acer_yangbiense Acyan03G0176800.1
Acyan03G0177000.1 acer_yangbiense Acyan03G0177000.1
Acyan04G0169400.1 acer_yangbiense Acyan04G0169400.1
Acyan10G0079200.1 acer_yangbiense Acyan10G0079200.1
aconitum_vilmorinianum_GWHPBRAL004850 aconitum_vilmorinianum aconitum_vilmorinianum_GWHPBRAL004850
aconitum_vilmorinianum_GWHPBRAL004853 aconitum_vilmorinianum aconitum_vilmorinianum_GWHPBRAL004853
aconitum_vilmorinianum_GWHPBRAL016876 aconitum_vilmorinianum aconitum_vilmorinianum_GWHPBRAL016876
aconitum_vilmorinianum_GWHPBRAL034622 aconitum_vilmorinianum aconitum_vilmorinianum_GWHPBRAL034622
aconitum_vilmorinianum_GWHPBRAL034779 aconitum_vilmorinianum aconitum_vilmorinianum_GWHPBRAL034779
aconitum_vilmorinianum_GWHPBRAL036144 aconitum_vilmorinianum aconitum_vilmorinianum_GWHPBRAL036144
aconitum_vilmorinianum_GWHPBRAL036802 aconitum_vilmorinianum aconitum_vilmorinianum_GWHPBRAL036802
aconitum_vilmorinianum_GWHPBRAL043178 aconitum_vilmorinianum aconitum_vilmorinianum_GWHPBRAL043178
aconitum_vilmorinianum_GWHPBRAL051091 aconitum_vilmorinianum aconitum_vilmorinianum_GWHPBRAL051091
aconitum_vilmorinianum_GWHPBRAL053828 aconitum_vilmorinianum aconitum_vilmorinianum_GWHPBRAL053828
acorus_americanus_Acora.05G173000.1.p acorus_americanus acorus_americanus_Acora.05G173000.1.p