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
brachypodium_mexicanum_Brame.02PG123000.1.p brachypodium_mexicanum brachypodium_mexicanum_Brame.02PG123000.1.p
brachypodium_mexicanum_Brame.02UG342700.1.p brachypodium_mexicanum brachypodium_mexicanum_Brame.02UG342700.1.p
brachypodium_mexicanum_Brame.02UG409100.1.p brachypodium_mexicanum brachypodium_mexicanum_Brame.02UG409100.1.p
Blae2150120167400 brachythecium_laetum Blae2150120167400
Blae2150420169860 brachythecium_laetum Blae2150420169860
Blae2159710235900 brachythecium_laetum Blae2159710235900
Broe2150120167400 brachythecium_roeteanum Broe2150120167400
Broe2150420169860 brachythecium_roeteanum Broe2150420169860
Broe2159710235900 brachythecium_roeteanum Broe2159710235900
brasenia_schreberi_Brsc11g1219.t1 brasenia_schreberi brasenia_schreberi_Brsc11g1219.t1
brasenia_schreberi_Brsc13g0723.t1 brasenia_schreberi brasenia_schreberi_Brsc13g0723.t1
brasenia_schreberi_Brsc14g1782.t7 brasenia_schreberi brasenia_schreberi_Brsc14g1782.t7
brasenia_schreberi_Brsc15g1699.t1 brasenia_schreberi brasenia_schreberi_Brsc15g1699.t1
brasenia_schreberi_Brsc21g0736.t1 brasenia_schreberi brasenia_schreberi_Brsc21g0736.t1
brasenia_schreberi_Brsc34g0624.t1 brasenia_schreberi brasenia_schreberi_Brsc34g0624.t1
brasenia_schreberi_Brsc35g0432.t1 brasenia_schreberi brasenia_schreberi_Brsc35g0432.t1
brasenia_schreberi_Brsc35g1499.t1 brasenia_schreberi brasenia_schreberi_Brsc35g1499.t1
Bca_GomB01g22110.mRNA1 brassica_carinata Bca_GomB01g22110.mRNA1
Bca_GomB01g22800.mRNA1 brassica_carinata Bca_GomB01g22800.mRNA1
Bca_GomB01g71880.mRNA1 brassica_carinata Bca_GomB01g71880.mRNA1
Bca_GomB02g15750.mRNA1 brassica_carinata Bca_GomB02g15750.mRNA1
Bca_GomB02g81750.mRNA1 brassica_carinata Bca_GomB02g81750.mRNA1
Bca_GomB04g12430.mRNA1 brassica_carinata Bca_GomB04g12430.mRNA1
Bca_GomB04g13860.mRNA2 brassica_carinata Bca_GomB04g13860.mRNA2
Bca_GomB04g13870.mRNA1 brassica_carinata Bca_GomB04g13870.mRNA1
Bca_GomB04g13880.mRNA1 brassica_carinata Bca_GomB04g13880.mRNA1
Bca_GomB04g13890.mRNA1 brassica_carinata Bca_GomB04g13890.mRNA1
Bca_GomB04g14280.mRNA2 brassica_carinata Bca_GomB04g14280.mRNA2
Bca_GomB04g14290.mRNA1 brassica_carinata Bca_GomB04g14290.mRNA1
Bca_GomB04g14300.mRNA1 brassica_carinata Bca_GomB04g14300.mRNA1