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
coriaria_nepalensis_Conep17aG0092900.1 coriaria_nepalensis coriaria_nepalensis_Conep17aG0092900.1
coriaria_nepalensis_Conep17bG0092100.1 coriaria_nepalensis coriaria_nepalensis_Conep17bG0092100.1
coriaria_nepalensis_Conep20aG0025900.1 coriaria_nepalensis coriaria_nepalensis_Conep20aG0025900.1
coriaria_nepalensis_Conep20bG0025500.1 coriaria_nepalensis coriaria_nepalensis_Conep20bG0025500.1
GWHPAORS007772 corydalis_tomentella GWHPAORS007772
GWHPAORS032884 corydalis_tomentella GWHPAORS032884
corylus_americana_CamerRush.02G036700.1.p corylus_americana corylus_americana_CamerRush.02G036700.1.p
corylus_americana_CamerRush.02G036900.1.p corylus_americana corylus_americana_CamerRush.02G036900.1.p
corylus_americana_CamerRush.02G037000.1.p corylus_americana corylus_americana_CamerRush.02G037000.1.p
corylus_americana_CamerRush.08G102100.1.p corylus_americana corylus_americana_CamerRush.08G102100.1.p
corylus_americana_CamerRush.08G103000.1.p corylus_americana corylus_americana_CamerRush.08G103000.1.p
Chet02G0003990.1 corylus_heterophylla Chet02G0003990.1
Chet02G0004000.1 corylus_heterophylla Chet02G0004000.1
Chet08G0011730.1 corylus_heterophylla Chet08G0011730.1
CmaG0012617.1 corylus_mandshurica CmaG0012617.1
CmaG0012618.1 corylus_mandshurica CmaG0012618.1
CmaG0025204.1 corylus_mandshurica CmaG0025204.1
Ccit02G0008000.1 corymbia_citriodora Ccit02G0008000.1
Ccit04G0007050.1 corymbia_citriodora Ccit04G0007050.1
Ccit04G0007060.1 corymbia_citriodora Ccit04G0007060.1
Ccit05G0007200.1 corymbia_citriodora Ccit05G0007200.1
Ccit05G0020890.1 corymbia_citriodora Ccit05G0020890.1
Ccit06G0005310.1 corymbia_citriodora Ccit06G0005310.1
Ccit06G0017570.1 corymbia_citriodora Ccit06G0017570.1
Ccit07G0019570.1 corymbia_citriodora Ccit07G0019570.1
Ccit09G0001190.1 corymbia_citriodora Ccit09G0001190.1
Ccit09G0001200.1 corymbia_citriodora Ccit09G0001200.1
Ccitscaffold32950031820.1 corymbia_citriodora Ccitscaffold32950031820.1
Cfil3670216070 cratoneuron_filicinum Cfil3670216070
Cfil7600250980 cratoneuron_filicinum Cfil7600250980