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.

Species Distribution

Related Modules

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

Gene	Species	Protein ID
ocimum_basilicum_668.g28.t1	ocimum_basilicum	ocimum_basilicum_668.g28.t1
ocimum_basilicum_805.g5.t1	ocimum_basilicum	ocimum_basilicum_805.g5.t1
ocimum_sanctum_Ote100028810031	ocimum_sanctum	ocimum_sanctum_Ote100028810031
ocimum_sanctum_Ote100033540011	ocimum_sanctum	ocimum_sanctum_Ote100033540011
ocimum_sanctum_Ote100127920011	ocimum_sanctum	ocimum_sanctum_Ote100127920011
ocimum_sanctum_Ote100134800081	ocimum_sanctum	ocimum_sanctum_Ote100134800081
ocimum_sanctum_Ote100143520021	ocimum_sanctum	ocimum_sanctum_Ote100143520021
ocimum_sanctum_Ote100143520071	ocimum_sanctum	ocimum_sanctum_Ote100143520071
ocimum_sanctum_Ote100231610011	ocimum_sanctum	ocimum_sanctum_Ote100231610011
ocimum_sanctum_Ote100257920021	ocimum_sanctum	ocimum_sanctum_Ote100257920021
ocimum_sanctum_Ote100262100081	ocimum_sanctum	ocimum_sanctum_Ote100262100081
Osph4775240072080	odontoschisma_sphagni	Osph4775240072080
Osph4934690144010	odontoschisma_sphagni	Osph4934690144010
oldenlandia_corymbosa_CAI9095666.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9095666.1
oldenlandia_corymbosa_CAI9104189.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9104189.1
oldenlandia_corymbosa_CAI9111227.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9111227.1
oldenlandia_corymbosa_CAI9111228.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9111228.1
oldenlandia_corymbosa_CAI9111229.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9111229.1
oldenlandia_corymbosa_CAI9114977.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9114977.1
oldenlandia_corymbosa_CAI9114978.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9114978.1
oldenlandia_corymbosa_CAI9114979.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9114979.1
oldenlandia_corymbosa_CAI9114980.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9114980.1
oldenlandia_corymbosa_CAI9115730.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9115730.1
oldenlandia_corymbosa_CAI9115968.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9115968.1
oldenlandia_corymbosa_CAI9115969.1	oldenlandia_corymbosa	oldenlandia_corymbosa_CAI9115969.1
Oeur03G0000610.1	olea_europaea	Oeur03G0000610.1
Oeur03G0011980.1	olea_europaea	Oeur03G0011980.1
Oeur10G0008710.1	olea_europaea	Oeur10G0008710.1
Oeur15G0006620.1	olea_europaea	Oeur15G0006620.1
Oeur15G0012030.1	olea_europaea	Oeur15G0012030.1