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_r2.3ch4Ava0907170 fragaria_ananassa FanaFAN_r2.3ch4Ava0907170
FanaFAN_r2.3ch4Avb0930160 fragaria_ananassa FanaFAN_r2.3ch4Avb0930160
FanaFAN_r2.3ch4Avb0930170 fragaria_ananassa FanaFAN_r2.3ch4Avb0930170
FanaFAN_r2.3ch4X1a0977020 fragaria_ananassa FanaFAN_r2.3ch4X1a0977020
FanaFAN_r2.3ch4X1a0977030 fragaria_ananassa FanaFAN_r2.3ch4X1a0977030
FanaFAN_r2.3ch4X1b1003320 fragaria_ananassa FanaFAN_r2.3ch4X1b1003320
FanaFAN_r2.3ch5Ava1048870 fragaria_ananassa FanaFAN_r2.3ch5Ava1048870
fragaria_chiloensis_augustus_masked-1A-processed-gene-103.159-mRNA-1 fragaria_chiloensis fragaria_chiloensis_augustus_masked-1A-processed-gene-103.159-mRNA-1
fragaria_chiloensis_augustus_masked-1A-processed-gene-227.26-mRNA-1 fragaria_chiloensis fragaria_chiloensis_augustus_masked-1A-processed-gene-227.26-mRNA-1
fragaria_chiloensis_augustus_masked-1B-processed-gene-271.51-mRNA-1 fragaria_chiloensis fragaria_chiloensis_augustus_masked-1B-processed-gene-271.51-mRNA-1
fragaria_chiloensis_augustus_masked-2B-processed-gene-17.151-mRNA-1 fragaria_chiloensis fragaria_chiloensis_augustus_masked-2B-processed-gene-17.151-mRNA-1
fragaria_chiloensis_augustus_masked-2C-processed-gene-283.1-mRNA-1 fragaria_chiloensis fragaria_chiloensis_augustus_masked-2C-processed-gene-283.1-mRNA-1
fragaria_chiloensis_augustus_masked-2D-processed-gene-176.149-mRNA-1 fragaria_chiloensis fragaria_chiloensis_augustus_masked-2D-processed-gene-176.149-mRNA-1
fragaria_chiloensis_augustus_masked-2D-processed-gene-176.150-mRNA-1 fragaria_chiloensis fragaria_chiloensis_augustus_masked-2D-processed-gene-176.150-mRNA-1
fragaria_chiloensis_maker-1A-augustus-gene-120.8-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-1A-augustus-gene-120.8-mRNA-1
fragaria_chiloensis_maker-1A-augustus-gene-120.9-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-1A-augustus-gene-120.9-mRNA-1
fragaria_chiloensis_maker-1B-augustus-gene-107.4-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-1B-augustus-gene-107.4-mRNA-1
fragaria_chiloensis_maker-1C-augustus-gene-116.2-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-1C-augustus-gene-116.2-mRNA-1
fragaria_chiloensis_maker-1C-augustus-gene-116.3-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-1C-augustus-gene-116.3-mRNA-1
fragaria_chiloensis_maker-1C-augustus-gene-96.7-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-1C-augustus-gene-96.7-mRNA-1
fragaria_chiloensis_maker-1C-augustus-gene-96.8-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-1C-augustus-gene-96.8-mRNA-1
fragaria_chiloensis_maker-1D-augustus-gene-142.11-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-1D-augustus-gene-142.11-mRNA-1
fragaria_chiloensis_maker-1D-augustus-gene-164.18-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-1D-augustus-gene-164.18-mRNA-1
fragaria_chiloensis_maker-1D-exonerate_protein2genome-gene-142.45-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-1D-exonerate_protein2genome-gene-142.45-mRNA-1
fragaria_chiloensis_maker-2A-augustus-gene-280.31-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-2A-augustus-gene-280.31-mRNA-1
fragaria_chiloensis_maker-2A-augustus-gene-280.32-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-2A-augustus-gene-280.32-mRNA-1
fragaria_chiloensis_maker-2A-augustus-gene-281.166-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-2A-augustus-gene-281.166-mRNA-1
fragaria_chiloensis_maker-2A-augustus-gene-281.171-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-2A-augustus-gene-281.171-mRNA-1
fragaria_chiloensis_maker-2A-augustus-gene-281.172-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-2A-augustus-gene-281.172-mRNA-1
fragaria_chiloensis_maker-2A-augustus-gene-48.24-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-2A-augustus-gene-48.24-mRNA-1