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
FanaFAN_r2.3ch00070170 fragaria_ananassa FanaFAN_r2.3ch00070170
FanaFAN_r2.3ch00077910 fragaria_ananassa FanaFAN_r2.3ch00077910
FanaFAN_r2.3ch00077980 fragaria_ananassa FanaFAN_r2.3ch00077980
FanaFAN_r2.3ch00089870 fragaria_ananassa FanaFAN_r2.3ch00089870
FanaFAN_r2.3ch00122490 fragaria_ananassa FanaFAN_r2.3ch00122490
FanaFAN_r2.3ch1Ava0364040 fragaria_ananassa FanaFAN_r2.3ch1Ava0364040
FanaFAN_r2.3ch1Ava0365370 fragaria_ananassa FanaFAN_r2.3ch1Ava0365370
FanaFAN_r2.3ch1Ava0367500 fragaria_ananassa FanaFAN_r2.3ch1Ava0367500
FanaFAN_r2.3ch1Avb0387280 fragaria_ananassa FanaFAN_r2.3ch1Avb0387280
FanaFAN_r2.3ch1Avb0389350 fragaria_ananassa FanaFAN_r2.3ch1Avb0389350
FanaFAN_r2.3ch1Bia0394360 fragaria_ananassa FanaFAN_r2.3ch1Bia0394360
FanaFAN_r2.3ch1Bia0394370 fragaria_ananassa FanaFAN_r2.3ch1Bia0394370
FanaFAN_r2.3ch1Bia0406680 fragaria_ananassa FanaFAN_r2.3ch1Bia0406680
FanaFAN_r2.3ch1Bib0408830 fragaria_ananassa FanaFAN_r2.3ch1Bib0408830
FanaFAN_r2.3ch1Bib0408840 fragaria_ananassa FanaFAN_r2.3ch1Bib0408840
FanaFAN_r2.3ch1Bib0421490 fragaria_ananassa FanaFAN_r2.3ch1Bib0421490
FanaFAN_r2.3ch1X1b0453940 fragaria_ananassa FanaFAN_r2.3ch1X1b0453940
FanaFAN_r2.3ch1X1b0454330 fragaria_ananassa FanaFAN_r2.3ch1X1b0454330
FanaFAN_r2.3ch2Ava0506630 fragaria_ananassa FanaFAN_r2.3ch2Ava0506630
FanaFAN_r2.3ch2Ava0506640 fragaria_ananassa FanaFAN_r2.3ch2Ava0506640
FanaFAN_r2.3ch2Ava0506930 fragaria_ananassa FanaFAN_r2.3ch2Ava0506930
FanaFAN_r2.3ch2Ava0506950 fragaria_ananassa FanaFAN_r2.3ch2Ava0506950
FanaFAN_r2.3ch2Ava0506960 fragaria_ananassa FanaFAN_r2.3ch2Ava0506960
FanaFAN_r2.3ch2Ava0506970 fragaria_ananassa FanaFAN_r2.3ch2Ava0506970
FanaFAN_r2.3ch2Ava0510700 fragaria_ananassa FanaFAN_r2.3ch2Ava0510700
FanaFAN_r2.3ch2Ava0510710 fragaria_ananassa FanaFAN_r2.3ch2Ava0510710
FanaFAN_r2.3ch2Avb0541630 fragaria_ananassa FanaFAN_r2.3ch2Avb0541630
FanaFAN_r2.3ch2Avb0541640 fragaria_ananassa FanaFAN_r2.3ch2Avb0541640
FanaFAN_r2.3ch2Avb0541960 fragaria_ananassa FanaFAN_r2.3ch2Avb0541960
FanaFAN_r2.3ch2Avb0541970 fragaria_ananassa FanaFAN_r2.3ch2Avb0541970