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
castanea_dentata_Caden.02G172400.1.p castanea_dentata castanea_dentata_Caden.02G172400.1.p
castanea_dentata_Caden.07G099600.1.p castanea_dentata castanea_dentata_Caden.07G099600.1.p
castanea_dentata_Caden.12G083800.1.p castanea_dentata castanea_dentata_Caden.12G083800.1.p
Cmolctg00170029220.1 castanea_mollissima Cmolctg00170029220.1
Cmolctg00170029230.1 castanea_mollissima Cmolctg00170029230.1
Cmolctg00170029240.1 castanea_mollissima Cmolctg00170029240.1
Cmolctg00170029250.1 castanea_mollissima Cmolctg00170029250.1
Cmolctg00560069920.1 castanea_mollissima Cmolctg00560069920.1
Cmolctg01790147820.1 castanea_mollissima Cmolctg01790147820.1
Cmolctg01790147830.1 castanea_mollissima Cmolctg01790147830.1
castanopsis_hystrix_GWHPBWDD023218 castanopsis_hystrix castanopsis_hystrix_GWHPBWDD023218
castanopsis_hystrix_GWHPBWDD026188 castanopsis_hystrix castanopsis_hystrix_GWHPBWDD026188
castanopsis_hystrix_GWHPBWDD026189 castanopsis_hystrix castanopsis_hystrix_GWHPBWDD026189
castanopsis_hystrix_GWHPBWDD026190 castanopsis_hystrix castanopsis_hystrix_GWHPBWDD026190
castanopsis_hystrix_GWHPBWDD033586 castanopsis_hystrix castanopsis_hystrix_GWHPBWDD033586
casuarina_equisetifolia_CCG006545 casuarina_equisetifolia casuarina_equisetifolia_CCG006545
casuarina_equisetifolia_CCG016458 casuarina_equisetifolia casuarina_equisetifolia_CCG016458
casuarina_equisetifolia_CCG017822 casuarina_equisetifolia casuarina_equisetifolia_CCG017822
casuarina_equisetifolia_CCG024559 casuarina_equisetifolia casuarina_equisetifolia_CCG024559
casuarina_equisetifolia_CCG026928 casuarina_equisetifolia casuarina_equisetifolia_CCG026928
Cglascaffold1190018910 casuarina_glauca Cglascaffold1190018910
Cglascaffold1350032290 casuarina_glauca Cglascaffold1350032290
Cglascaffold1350032300 casuarina_glauca Cglascaffold1350032300
Cglascaffold1350032310 casuarina_glauca Cglascaffold1350032310
Cglascaffold1350032320 casuarina_glauca Cglascaffold1350032320
Cglascaffold1440038180 casuarina_glauca Cglascaffold1440038180
Cglascaffold1500045070 casuarina_glauca Cglascaffold1500045070
Cglascaffold1500045080 casuarina_glauca Cglascaffold1500045080
Cglascaffold160052390 casuarina_glauca Cglascaffold160052390
Cglascaffold160052400 casuarina_glauca Cglascaffold160052400