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
nepenthes_mirabilis_FUN_037299-T1 nepenthes_mirabilis nepenthes_mirabilis_FUN_037299-T1
nepenthes_mirabilis_FUN_041165-T1 nepenthes_mirabilis nepenthes_mirabilis_FUN_041165-T1
nepeta_cataria_g10610.t1 nepeta_cataria nepeta_cataria_g10610.t1
nepeta_cataria_g13899.t1 nepeta_cataria nepeta_cataria_g13899.t1
nepeta_cataria_g23799.t1 nepeta_cataria nepeta_cataria_g23799.t1
nepeta_cataria_g23801.t1 nepeta_cataria nepeta_cataria_g23801.t1
nepeta_cataria_g45067.t1 nepeta_cataria nepeta_cataria_g45067.t1
nepeta_cataria_g45140.t1 nepeta_cataria nepeta_cataria_g45140.t1
nepeta_cataria_g50610.t1 nepeta_cataria nepeta_cataria_g50610.t1
nepeta_cataria_g50982.t1 nepeta_cataria nepeta_cataria_g50982.t1
nepeta_mussinii_g21951.t1 nepeta_mussinii nepeta_mussinii_g21951.t1
nepeta_mussinii_g23220.t1 nepeta_mussinii nepeta_mussinii_g23220.t1
nepeta_mussinii_g2454.t1 nepeta_mussinii nepeta_mussinii_g2454.t1
nepeta_mussinii_g5114.t1 nepeta_mussinii nepeta_mussinii_g5114.t1
nephelium_lappaceum_GWHPBECQ005067 nephelium_lappaceum nephelium_lappaceum_GWHPBECQ005067
nephelium_lappaceum_GWHPBECQ005085 nephelium_lappaceum nephelium_lappaceum_GWHPBECQ005085
nephelium_lappaceum_GWHPBECQ005470 nephelium_lappaceum nephelium_lappaceum_GWHPBECQ005470
nephelium_lappaceum_GWHPBECQ014735 nephelium_lappaceum nephelium_lappaceum_GWHPBECQ014735
nicotiana_benthamiana_Niben261Chr07g0906002.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr07g0906002.1
nicotiana_benthamiana_Niben261Chr11g0762004.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr11g0762004.1
nicotiana_benthamiana_Niben261Chr14g0531003.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr14g0531003.1
nicotiana_benthamiana_Niben261Chr15g1202001.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr15g1202001.1
nicotiana_benthamiana_Niben261Chr19g0470014.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr19g0470014.1
nicotiana_benthamiana_Niben261Chr19g0470020.1 nicotiana_benthamiana nicotiana_benthamiana_Niben261Chr19g0470020.1
nicotiana_sylvestris_XP_009757053.1 nicotiana_sylvestris nicotiana_sylvestris_XP_009757053.1
nicotiana_sylvestris_XP_009759306.1 nicotiana_sylvestris nicotiana_sylvestris_XP_009759306.1
nicotiana_sylvestris_XP_009773879.1 nicotiana_sylvestris nicotiana_sylvestris_XP_009773879.1
nicotiana_sylvestris_XP_009773880.1 nicotiana_sylvestris nicotiana_sylvestris_XP_009773880.1
nicotiana_sylvestris_XP_009784486.1 nicotiana_sylvestris nicotiana_sylvestris_XP_009784486.1
nicotiana_tabacum_Nitab4.5_0000036g0190.1 nicotiana_tabacum nicotiana_tabacum_Nitab4.5_0000036g0190.1