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
Cacu14G0007140.1 camptotheca_acuminata Cacu14G0007140.1
Cacu14G0007150.1 camptotheca_acuminata Cacu14G0007150.1
Cacu14G0007160.1 camptotheca_acuminata Cacu14G0007160.1
Cacu14G0007170.1 camptotheca_acuminata Cacu14G0007170.1
Cacu15G0003780.1 camptotheca_acuminata Cacu15G0003780.1
Cacu15G0003780.2 camptotheca_acuminata Cacu15G0003780.2
Cacu15G0003790.1 camptotheca_acuminata Cacu15G0003790.1
capparis_spinosa_Cs04G003770.1 capparis_spinosa capparis_spinosa_Cs04G003770.1
capparis_spinosa_Cs04G004650.1 capparis_spinosa capparis_spinosa_Cs04G004650.1
capparis_spinosa_Cs12G007280.1 capparis_spinosa capparis_spinosa_Cs12G007280.1
capparis_spinosa_Cs12G007350.1 capparis_spinosa capparis_spinosa_Cs12G007350.1
capparis_spinosa_Cs12G007360.1 capparis_spinosa capparis_spinosa_Cs12G007360.1
capparis_spinosa_Cs12G007370.1 capparis_spinosa capparis_spinosa_Cs12G007370.1
capparis_spinosa_Cs12G007380.1 capparis_spinosa capparis_spinosa_Cs12G007380.1
capparis_spinosa_Cs12G007470.1 capparis_spinosa capparis_spinosa_Cs12G007470.1
capparis_spinosa_Cs15G004440.1 capparis_spinosa capparis_spinosa_Cs15G004440.1
CAgraScaffold14240035930.1 capsella_grandiflora CAgraScaffold14240035930.1
CAgraScaffold14240035940.1 capsella_grandiflora CAgraScaffold14240035940.1
CAgraScaffold191740072350.1 capsella_grandiflora CAgraScaffold191740072350.1
CAgraScaffold21510084300.1 capsella_grandiflora CAgraScaffold21510084300.1
CAgraScaffold42900156280.1 capsella_grandiflora CAgraScaffold42900156280.1
CAgraScaffold89220234500.1 capsella_grandiflora CAgraScaffold89220234500.1
CAgraScaffold89220234510.1 capsella_grandiflora CAgraScaffold89220234510.1
CAgraScaffold89220234520.1 capsella_grandiflora CAgraScaffold89220234520.1
CAgraScaffold97570245720.1 capsella_grandiflora CAgraScaffold97570245720.1
Crubscaffold_20052640.1 capsella_rubella Crubscaffold_20052640.1
Crubscaffold_40113240.1 capsella_rubella Crubscaffold_40113240.1
Crubscaffold_40115360.1 capsella_rubella Crubscaffold_40115360.1
Crubscaffold_40115370.1 capsella_rubella Crubscaffold_40115370.1
Crubscaffold_40115370.2 capsella_rubella Crubscaffold_40115370.2