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
prunus_kanzakura_KWZCAM8g3216.1 prunus_kanzakura prunus_kanzakura_KWZCAM8g3216.1
prunus_kanzakura_KWZCAM8g3222.1 prunus_kanzakura prunus_kanzakura_KWZCAM8g3222.1
prunus_kanzakura_KWZCAM8g3223.1 prunus_kanzakura prunus_kanzakura_KWZCAM8g3223.1
prunus_kanzakura_KWZSPE1g4647.1 prunus_kanzakura prunus_kanzakura_KWZSPE1g4647.1
prunus_kanzakura_KWZSPE6g1550.1 prunus_kanzakura prunus_kanzakura_KWZSPE6g1550.1
prunus_kanzakura_KWZSPE6g2099.1 prunus_kanzakura prunus_kanzakura_KWZSPE6g2099.1
prunus_kanzakura_KWZSPE8g3140.1 prunus_kanzakura prunus_kanzakura_KWZSPE8g3140.1
prunus_kanzakura_KWZSPE8g3997.1 prunus_kanzakura prunus_kanzakura_KWZSPE8g3997.1
prunus_kanzakura_KWZSPE8g4003.1 prunus_kanzakura prunus_kanzakura_KWZSPE8g4003.1
prunus_kanzakura_KWZSPE8g4004.1 prunus_kanzakura prunus_kanzakura_KWZSPE8g4004.1
prunus_kanzakura_KWZSPE8g4005.1 prunus_kanzakura prunus_kanzakura_KWZSPE8g4005.1
Pruma.1G587000.t1.p1_1 prunus_mandshurica Pruma.1G587000.t1.p1_1
Pruma.6G348500.t1.p1_1 prunus_mandshurica Pruma.6G348500.t1.p1_1
Pruma.8G269900.t1.p1_1 prunus_mandshurica Pruma.8G269900.t1.p1_1
Pruma.8G269900.t2.p1_1 prunus_mandshurica Pruma.8G269900.t2.p1_1
Pruma.8G270000.t1.p1_1 prunus_mandshurica Pruma.8G270000.t1.p1_1
Pruma.8G270000.t2.p1_1 prunus_mandshurica Pruma.8G270000.t2.p1_1
Pruma.8G270100.t1.p1_1 prunus_mandshurica Pruma.8G270100.t1.p1_1
prunus_mira_Pmi01g4458 prunus_mira prunus_mira_Pmi01g4458
prunus_mira_Pmi06g2341 prunus_mira prunus_mira_Pmi06g2341
prunus_mira_Pmi08g1728 prunus_mira prunus_mira_Pmi08g1728
prunus_mira_Pmi08g1729 prunus_mira prunus_mira_Pmi08g1729
prunus_mira_Pmi08g1730 prunus_mira prunus_mira_Pmi08g1730
prunus_mira_Pmi08g1731 prunus_mira prunus_mira_Pmi08g1731
prunus_mongolica_GWHPBQDV003693.1 prunus_mongolica prunus_mongolica_GWHPBQDV003693.1
prunus_mongolica_GWHPBQDV017414.1 prunus_mongolica prunus_mongolica_GWHPBQDV017414.1
prunus_mongolica_GWHPBQDV022537.1 prunus_mongolica prunus_mongolica_GWHPBQDV022537.1
prunus_mongolica_GWHPBQDV022538.1 prunus_mongolica prunus_mongolica_GWHPBQDV022538.1
prunus_mongolica_GWHPBQDV022539.1 prunus_mongolica prunus_mongolica_GWHPBQDV022539.1
XP_008220536.1 prunus_mume XP_008220536.1