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_r2.3ch2Bia0567920 fragaria_ananassa FanaFAN_r2.3ch2Bia0567920
FanaFAN_r2.3ch2Bia0567940 fragaria_ananassa FanaFAN_r2.3ch2Bia0567940
FanaFAN_r2.3ch2Bia0567950 fragaria_ananassa FanaFAN_r2.3ch2Bia0567950
FanaFAN_r2.3ch2Bia0567990 fragaria_ananassa FanaFAN_r2.3ch2Bia0567990
FanaFAN_r2.3ch2Bia0568000 fragaria_ananassa FanaFAN_r2.3ch2Bia0568000
FanaFAN_r2.3ch2Bia0568010 fragaria_ananassa FanaFAN_r2.3ch2Bia0568010
FanaFAN_r2.3ch2Bia0586040 fragaria_ananassa FanaFAN_r2.3ch2Bia0586040
FanaFAN_r2.3ch2Bib0589310 fragaria_ananassa FanaFAN_r2.3ch2Bib0589310
FanaFAN_r2.3ch2Bib0589320 fragaria_ananassa FanaFAN_r2.3ch2Bib0589320
FanaFAN_r2.3ch2Bib0589330 fragaria_ananassa FanaFAN_r2.3ch2Bib0589330
FanaFAN_r2.3ch2Bib0589340 fragaria_ananassa FanaFAN_r2.3ch2Bib0589340
FanaFAN_r2.3ch2Bib0589350 fragaria_ananassa FanaFAN_r2.3ch2Bib0589350
FanaFAN_r2.3ch2Bib0589360 fragaria_ananassa FanaFAN_r2.3ch2Bib0589360
FanaFAN_r2.3ch2Bib0589370 fragaria_ananassa FanaFAN_r2.3ch2Bib0589370
FanaFAN_r2.3ch2Bib0610150 fragaria_ananassa FanaFAN_r2.3ch2Bib0610150
FanaFAN_r2.3ch2X1a0627250 fragaria_ananassa FanaFAN_r2.3ch2X1a0627250
FanaFAN_r2.3ch2X1a0632000 fragaria_ananassa FanaFAN_r2.3ch2X1a0632000
FanaFAN_r2.3ch2X1b0654410 fragaria_ananassa FanaFAN_r2.3ch2X1b0654410
FanaFAN_r2.3ch2X1b0654420 fragaria_ananassa FanaFAN_r2.3ch2X1b0654420
FanaFAN_r2.3ch2X1b0659630 fragaria_ananassa FanaFAN_r2.3ch2X1b0659630
FanaFAN_r2.3ch2X2a0670160 fragaria_ananassa FanaFAN_r2.3ch2X2a0670160
FanaFAN_r2.3ch2X2b0677540 fragaria_ananassa FanaFAN_r2.3ch2X2b0677540
FanaFAN_r2.3ch3Ava0691150 fragaria_ananassa FanaFAN_r2.3ch3Ava0691150
FanaFAN_r2.3ch3Avb0721550 fragaria_ananassa FanaFAN_r2.3ch3Avb0721550
FanaFAN_r2.3ch3Bia0755610 fragaria_ananassa FanaFAN_r2.3ch3Bia0755610
FanaFAN_r2.3ch3X1a0783780 fragaria_ananassa FanaFAN_r2.3ch3X1a0783780
FanaFAN_r2.3ch3X1b0823180 fragaria_ananassa FanaFAN_r2.3ch3X1b0823180
FanaFAN_r2.3ch3X2a0855070 fragaria_ananassa FanaFAN_r2.3ch3X2a0855070
FanaFAN_r2.3ch3X2b0878970 fragaria_ananassa FanaFAN_r2.3ch3X2b0878970
FanaFAN_r2.3ch4Ava0907150 fragaria_ananassa FanaFAN_r2.3ch4Ava0907150