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
rhynchospora_pubera_mRNA20094 rhynchospora_pubera rhynchospora_pubera_mRNA20094
rhynchospora_pubera_mRNA32115 rhynchospora_pubera rhynchospora_pubera_mRNA32115
rhynchospora_pubera_mRNA35738 rhynchospora_pubera rhynchospora_pubera_mRNA35738
rhynchospora_pubera_mRNA38098 rhynchospora_pubera rhynchospora_pubera_mRNA38098
rhynchospora_pubera_mRNA46971 rhynchospora_pubera rhynchospora_pubera_mRNA46971
rhynchospora_pubera_mRNA56359 rhynchospora_pubera rhynchospora_pubera_mRNA56359
rhynchospora_pubera_mRNA58421 rhynchospora_pubera rhynchospora_pubera_mRNA58421
rhynchospora_pubera_mRNA64200 rhynchospora_pubera rhynchospora_pubera_mRNA64200
rhynchospora_pubera_mRNA77202 rhynchospora_pubera rhynchospora_pubera_mRNA77202
rhynchospora_pubera_mRNA85724 rhynchospora_pubera rhynchospora_pubera_mRNA85724
rhynchospora_tenuis_mRNA13262 rhynchospora_tenuis rhynchospora_tenuis_mRNA13262
rhynchospora_tenuis_mRNA19148 rhynchospora_tenuis rhynchospora_tenuis_mRNA19148
rhynchospora_tenuis_mRNA7187 rhynchospora_tenuis rhynchospora_tenuis_mRNA7187
Rnatscaffold_440117700 ricciocarpus_natans Rnatscaffold_440117700
Rnatscaffold_80187850 ricciocarpus_natans Rnatscaffold_80187850
Rcom292120043030.1 ricinus_communis Rcom292120043030.1
Rcom298250117590.1 ricinus_communis Rcom298250117590.1
Rcom300740187420.1 ricinus_communis Rcom300740187420.1
Rcom300990194900.1 ricinus_communis Rcom300990194900.1
Rcom300990195250.1 ricinus_communis Rcom300990195250.1
Rcom300990195300.1 ricinus_communis Rcom300990195300.1
Rcom301700233240.1 ricinus_communis Rcom301700233240.1
robinia_pseudoacacia_CHAGGene04187 robinia_pseudoacacia robinia_pseudoacacia_CHAGGene04187
robinia_pseudoacacia_CHAGGene04188 robinia_pseudoacacia robinia_pseudoacacia_CHAGGene04188
robinia_pseudoacacia_CHAGGene04189 robinia_pseudoacacia robinia_pseudoacacia_CHAGGene04189
robinia_pseudoacacia_CHAGGene06600 robinia_pseudoacacia robinia_pseudoacacia_CHAGGene06600
robinia_pseudoacacia_CHAGGene07811 robinia_pseudoacacia robinia_pseudoacacia_CHAGGene07811
robinia_pseudoacacia_CHAGGene07813 robinia_pseudoacacia robinia_pseudoacacia_CHAGGene07813
robinia_pseudoacacia_CHAGGene30042 robinia_pseudoacacia robinia_pseudoacacia_CHAGGene30042
robinia_pseudoacacia_CHAGGene31745 robinia_pseudoacacia robinia_pseudoacacia_CHAGGene31745