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
fragaria_mandshurica_evm.model.chr3.828 fragaria_mandshurica fragaria_mandshurica_evm.model.chr3.828
fragaria_mandshurica_evm.model.chr4.1418 fragaria_mandshurica fragaria_mandshurica_evm.model.chr4.1418
fragaria_mandshurica_evm.model.chr5.1272 fragaria_mandshurica fragaria_mandshurica_evm.model.chr5.1272
FnilGWHABKC000000020063440.1 fragaria_nilgerrensis FnilGWHABKC000000020063440.1
FnilGWHABKC000000030116400.1 fragaria_nilgerrensis FnilGWHABKC000000030116400.1
FnilGWHABKC000000030116430.1 fragaria_nilgerrensis FnilGWHABKC000000030116430.1
FnilGWHABKC000000040141590.1 fragaria_nilgerrensis FnilGWHABKC000000040141590.1
FnilGWHABKC000000040141600.1 fragaria_nilgerrensis FnilGWHABKC000000040141600.1
FnilGWHABKC000000040141610.1 fragaria_nilgerrensis FnilGWHABKC000000040141610.1
FnilGWHABKC000000040169540.1 fragaria_nilgerrensis FnilGWHABKC000000040169540.1
FnilGWHABKC000000060224800.1 fragaria_nilgerrensis FnilGWHABKC000000060224800.1
FnilGWHABKC000000060225210.1 fragaria_nilgerrensis FnilGWHABKC000000060225210.1
FnilGWHABKC000000070268300.1 fragaria_nilgerrensis FnilGWHABKC000000070268300.1
FnilGWHABKC000000070268310.1 fragaria_nilgerrensis FnilGWHABKC000000070268310.1
fragaria_nipponica_augustus_masked-chr1-processed-gene-3.159-mRNA-1 fragaria_nipponica fragaria_nipponica_augustus_masked-chr1-processed-gene-3.159-mRNA-1
fragaria_nipponica_augustus_masked-chr2-processed-gene-360.25-mRNA-1 fragaria_nipponica fragaria_nipponica_augustus_masked-chr2-processed-gene-360.25-mRNA-1
fragaria_nipponica_augustus_masked-chr5-processed-gene-2.34-mRNA-1 fragaria_nipponica fragaria_nipponica_augustus_masked-chr5-processed-gene-2.34-mRNA-1
fragaria_nipponica_maker-chr1-augustus-gene-126.157-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr1-augustus-gene-126.157-mRNA-1
fragaria_nipponica_maker-chr1-augustus-gene-149.16-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr1-augustus-gene-149.16-mRNA-1
fragaria_nipponica_maker-chr1-augustus-gene-149.17-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr1-augustus-gene-149.17-mRNA-1
fragaria_nipponica_maker-chr1-augustus-gene-151.136-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr1-augustus-gene-151.136-mRNA-1
fragaria_nipponica_maker-chr1-augustus-gene-151.137-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr1-augustus-gene-151.137-mRNA-1
fragaria_nipponica_maker-chr2-augustus-gene-360.3-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr2-augustus-gene-360.3-mRNA-1
fragaria_nipponica_maker-chr2-augustus-gene-360.7-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr2-augustus-gene-360.7-mRNA-1
fragaria_nipponica_maker-chr2-augustus-gene-360.8-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr2-augustus-gene-360.8-mRNA-1
fragaria_nipponica_maker-chr2-augustus-gene-57.174-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr2-augustus-gene-57.174-mRNA-1
fragaria_nipponica_maker-chr2-exonerate_est2genome-gene-360.18-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr2-exonerate_est2genome-gene-360.18-mRNA-1
fragaria_nipponica_maker-chr3-augustus-gene-441.101-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr3-augustus-gene-441.101-mRNA-1
fragaria_nipponica_maker-chr4-augustus-gene-164.0-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr4-augustus-gene-164.0-mRNA-1
fragaria_nipponica_maker-chr4-augustus-gene-164.5-mRNA-1 fragaria_nipponica fragaria_nipponica_maker-chr4-augustus-gene-164.5-mRNA-1