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
ara_suecica_KAG7547419.1	arabidopsis_suecica	ara_suecica_KAG7547419.1
ara_suecica_KAG7556301.1	arabidopsis_suecica	ara_suecica_KAG7556301.1
ara_suecica_KAG7556302.1	arabidopsis_suecica	ara_suecica_KAG7556302.1
ara_suecica_KAG7556303.1	arabidopsis_suecica	ara_suecica_KAG7556303.1
ara_suecica_KAG7571811.1	arabidopsis_suecica	ara_suecica_KAG7571811.1
ara_suecica_KAG7588311.1	arabidopsis_suecica	ara_suecica_KAG7588311.1
ara_suecica_KAG7610229.1	arabidopsis_suecica	ara_suecica_KAG7610229.1
ara_suecica_KAG7610230.1	arabidopsis_suecica	ara_suecica_KAG7610230.1
ara_suecica_KAG7610231.1	arabidopsis_suecica	ara_suecica_KAG7610231.1
ara_suecica_KAG7620622.1	arabidopsis_suecica	ara_suecica_KAG7620622.1
ara_suecica_KAG7623264.1	arabidopsis_suecica	ara_suecica_KAG7623264.1
ara_suecica_KAG7641724.1	arabidopsis_suecica	ara_suecica_KAG7641724.1
ara_suecica_KAG7657845.1	arabidopsis_suecica	ara_suecica_KAG7657845.1
Atha01G0048740.1	arabidopsis_thaliana	Atha01G0048740.1
Atha02G0016140.1	arabidopsis_thaliana	Atha02G0016140.1
Atha04G0039270.1	arabidopsis_thaliana	Atha04G0039270.1
Atha05G0023150.1	arabidopsis_thaliana	Atha05G0023150.1
Atha05G0023160.1	arabidopsis_thaliana	Atha05G0023160.1
Atha05G0023160.2	arabidopsis_thaliana	Atha05G0023160.2
Atha05G0023170.1	arabidopsis_thaliana	Atha05G0023170.1
Atha05G0023170.2	arabidopsis_thaliana	Atha05G0023170.2
Atha05G0023170.3	arabidopsis_thaliana	Atha05G0023170.3
Atha05G0023180.1	arabidopsis_thaliana	Atha05G0023180.1
Atha05G0023180.2	arabidopsis_thaliana	Atha05G0023180.2
Atha05G0023180.3	arabidopsis_thaliana	Atha05G0023180.3
Aalp02G0009910	arabis_alpina	Aalp02G0009910
Aalp04G0012790	arabis_alpina	Aalp04G0012790
Aalp06G0018930	arabis_alpina	Aalp06G0018930
Aalp07G0002730	arabis_alpina	Aalp07G0002730
Aalp08G0049850	arabis_alpina	Aalp08G0049850