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
XP_010449893.1 camelina_sativa XP_010449893.1
XP_010454706.1 camelina_sativa XP_010454706.1
XP_010454707.1 camelina_sativa XP_010454707.1
XP_010454708.1 camelina_sativa XP_010454708.1
XP_010470253.1 camelina_sativa XP_010470253.1
XP_010472280.1 camelina_sativa XP_010472280.1
XP_010481041.1 camelina_sativa XP_010481041.1
XP_010493554.1 camelina_sativa XP_010493554.1
XP_010493555.1 camelina_sativa XP_010493555.1
XP_010495422.1 camelina_sativa XP_010495422.1
XP_010511069.1 camelina_sativa XP_010511069.1
XP_019083482.1 camelina_sativa XP_019083482.1
XP_019083483.1 camelina_sativa XP_019083483.1
XP_019083919.1 camelina_sativa XP_019083919.1
XP_019086269.1 camelina_sativa XP_019086269.1
camellia_oleifera_maker-HiC_scaffold_3-snap-gene-256.23-mRNA-1 camellia_oleifera camellia_oleifera_maker-HiC_scaffold_3-snap-gene-256.23-mRNA-1
camellia_oleifera_maker-HiC_scaffold_6-snap-gene-1223.31-mRNA-1 camellia_oleifera camellia_oleifera_maker-HiC_scaffold_6-snap-gene-1223.31-mRNA-1
camellia_oleifera_maker-HiC_scaffold_6-snap-gene-1231.26-mRNA-1 camellia_oleifera camellia_oleifera_maker-HiC_scaffold_6-snap-gene-1231.26-mRNA-1
camellia_sinensis_GWHPASIV002140 camellia_sinensis camellia_sinensis_GWHPASIV002140
camellia_sinensis_GWHPASIV003059 camellia_sinensis camellia_sinensis_GWHPASIV003059
camellia_sinensis_GWHPASIV004766 camellia_sinensis camellia_sinensis_GWHPASIV004766
camellia_sinensis_GWHPASIV008372 camellia_sinensis camellia_sinensis_GWHPASIV008372
camellia_sinensis_GWHPASIV008752 camellia_sinensis camellia_sinensis_GWHPASIV008752
camellia_sinensis_GWHPASIV009326 camellia_sinensis camellia_sinensis_GWHPASIV009326
camellia_sinensis_GWHPASIV009461 camellia_sinensis camellia_sinensis_GWHPASIV009461
camellia_sinensis_GWHPASIV010177 camellia_sinensis camellia_sinensis_GWHPASIV010177
camellia_sinensis_GWHPASIV011874 camellia_sinensis camellia_sinensis_GWHPASIV011874
camellia_sinensis_GWHPASIV014181 camellia_sinensis camellia_sinensis_GWHPASIV014181
camellia_sinensis_GWHPASIV014391 camellia_sinensis camellia_sinensis_GWHPASIV014391
camellia_sinensis_GWHPASIV014450 camellia_sinensis camellia_sinensis_GWHPASIV014450