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
bretschneidera_sinensis_BsiG0012665.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0012665.1
bretschneidera_sinensis_BsiG0012671.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0012671.1
bretschneidera_sinensis_BsiG0012672.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0012672.1
bretschneidera_sinensis_BsiG0012673.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0012673.1
bretschneidera_sinensis_BsiG0012675.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0012675.1
bretschneidera_sinensis_BsiG0012678.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0012678.1
bretschneidera_sinensis_BsiG0012682.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0012682.1
bretschneidera_sinensis_BsiG0012692.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0012692.1
bretschneidera_sinensis_BsiG0012693.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0012693.1
bretschneidera_sinensis_BsiG0018966.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0018966.1
bretschneidera_sinensis_BsiG0025050.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0025050.1
bretschneidera_sinensis_BsiG0034722.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0034722.1
bretschneidera_sinensis_BsiG0034723.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0034723.1
bretschneidera_sinensis_BsiG0039971.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0039971.1
bretschneidera_sinensis_BsiG0039972.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0039972.1
bretschneidera_sinensis_BsiG0039979.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0039979.1
bretschneidera_sinensis_BsiG0039982.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0039982.1
bretschneidera_sinensis_BsiG0039990.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0039990.1
bretschneidera_sinensis_BsiG0039992.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0039992.1
bretschneidera_sinensis_BsiG0039993.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0039993.1
bretschneidera_sinensis_BsiG0039994.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0039994.1
bretschneidera_sinensis_BsiG0042722.1 bretschneidera_sinensis bretschneidera_sinensis_BsiG0042722.1
bruguiera_cylindrica_evm.model.Scaffold_11_RagTag.241 bruguiera_cylindrica bruguiera_cylindrica_evm.model.Scaffold_11_RagTag.241
bruguiera_cylindrica_evm.model.Scaffold_7_RagTag.718 bruguiera_cylindrica bruguiera_cylindrica_evm.model.Scaffold_7_RagTag.718
bruguiera_cylindrica_evm.model.Scaffold_8_RagTag.711 bruguiera_cylindrica bruguiera_cylindrica_evm.model.Scaffold_8_RagTag.711
bruguiera_parviflora_evm.model.Scaffold_7.601 bruguiera_parviflora bruguiera_parviflora_evm.model.Scaffold_7.601
bruguiera_parviflora_evm.model.Scaffold_8.672 bruguiera_parviflora bruguiera_parviflora_evm.model.Scaffold_8.672
bruguiera_sexangula_evm.model.Scaffold_11_RagTag.255 bruguiera_sexangula bruguiera_sexangula_evm.model.Scaffold_11_RagTag.255
bruguiera_sexangula_evm.model.Scaffold_7_RagTag.851 bruguiera_sexangula bruguiera_sexangula_evm.model.Scaffold_7_RagTag.851
bruguiera_sexangula_evm.model.Scaffold_8_RagTag.881 bruguiera_sexangula bruguiera_sexangula_evm.model.Scaffold_8_RagTag.881