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
armoracia_rusticana_Arr15036 armoracia_rusticana armoracia_rusticana_Arr15036
armoracia_rusticana_Arr15037 armoracia_rusticana armoracia_rusticana_Arr15037
armoracia_rusticana_Arr17873 armoracia_rusticana armoracia_rusticana_Arr17873
armoracia_rusticana_Arr18516 armoracia_rusticana armoracia_rusticana_Arr18516
armoracia_rusticana_Arr24749 armoracia_rusticana armoracia_rusticana_Arr24749
armoracia_rusticana_Arr24750 armoracia_rusticana armoracia_rusticana_Arr24750
armoracia_rusticana_Arr25117 armoracia_rusticana armoracia_rusticana_Arr25117
armoracia_rusticana_Arr28026 armoracia_rusticana armoracia_rusticana_Arr28026
armoracia_rusticana_Arr31140 armoracia_rusticana armoracia_rusticana_Arr31140
armoracia_rusticana_Arr33028 armoracia_rusticana armoracia_rusticana_Arr33028
armoracia_rusticana_Arr37964 armoracia_rusticana armoracia_rusticana_Arr37964
armoracia_rusticana_Arr37965 armoracia_rusticana armoracia_rusticana_Arr37965
armoracia_rusticana_Arr37966 armoracia_rusticana armoracia_rusticana_Arr37966
armoracia_rusticana_Arr37967 armoracia_rusticana armoracia_rusticana_Arr37967
armoracia_rusticana_Arr37970 armoracia_rusticana armoracia_rusticana_Arr37970
armoracia_rusticana_Arr9139 armoracia_rusticana armoracia_rusticana_Arr9139
armoracia_rusticana_Arr9140 armoracia_rusticana armoracia_rusticana_Arr9140
armoracia_rusticana_Arr9141 armoracia_rusticana armoracia_rusticana_Arr9141
armoracia_rusticana_Arr9142 armoracia_rusticana armoracia_rusticana_Arr9142
armoracia_rusticana_Arr9143 armoracia_rusticana armoracia_rusticana_Arr9143
artemisia_argyi_GWHPBRAE002697 artemisia_argyi artemisia_argyi_GWHPBRAE002697
artemisia_argyi_GWHPBRAE005111 artemisia_argyi artemisia_argyi_GWHPBRAE005111
artemisia_argyi_GWHPBRAE006213 artemisia_argyi artemisia_argyi_GWHPBRAE006213
artemisia_argyi_GWHPBRAE016277 artemisia_argyi artemisia_argyi_GWHPBRAE016277
artemisia_argyi_GWHPBRAE025535 artemisia_argyi artemisia_argyi_GWHPBRAE025535
artemisia_argyi_GWHPBRAE027054 artemisia_argyi artemisia_argyi_GWHPBRAE027054
artemisia_argyi_GWHPBRAE027055 artemisia_argyi artemisia_argyi_GWHPBRAE027055
artemisia_argyi_GWHPBRAE035404 artemisia_argyi artemisia_argyi_GWHPBRAE035404
artemisia_argyi_GWHPBRAE036503 artemisia_argyi artemisia_argyi_GWHPBRAE036503
artemisia_argyi_GWHPBRAE047489 artemisia_argyi artemisia_argyi_GWHPBRAE047489