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
Svir09G0053180.1	setaria_viridis	Svir09G0053180.1
silene_latifolia_GWHPCBIJ002900	silene_latifolia	silene_latifolia_GWHPCBIJ002900
silene_latifolia_GWHPCBIJ011775	silene_latifolia	silene_latifolia_GWHPCBIJ011775
silene_latifolia_GWHPCBIJ015057	silene_latifolia	silene_latifolia_GWHPCBIJ015057
silene_latifolia_GWHPCBIJ020387	silene_latifolia	silene_latifolia_GWHPCBIJ020387
silene_latifolia_GWHPCBIJ022670	silene_latifolia	silene_latifolia_GWHPCBIJ022670
silene_latifolia_GWHPCBIJ026183	silene_latifolia	silene_latifolia_GWHPCBIJ026183
silene_latifolia_GWHPCBIJ036760	silene_latifolia	silene_latifolia_GWHPCBIJ036760
silene_latifolia_GWHPCBIJ036761	silene_latifolia	silene_latifolia_GWHPCBIJ036761
SIchi01G0008130.1	simmondsia_chinensis	SIchi01G0008130.1
SIchi03G0002700.1	simmondsia_chinensis	SIchi03G0002700.1
SIchi03G0002700.2	simmondsia_chinensis	SIchi03G0002700.2
SIchi03G0002730.1	simmondsia_chinensis	SIchi03G0002730.1
SIchi03G0002750.1	simmondsia_chinensis	SIchi03G0002750.1
SIchi03G0002760.1	simmondsia_chinensis	SIchi03G0002760.1
SIchi03G0002850.1	simmondsia_chinensis	SIchi03G0002850.1
SIchi14G0002770.1	simmondsia_chinensis	SIchi14G0002770.1
SIchi15G0005320.1	simmondsia_chinensis	SIchi15G0005320.1
SIchi15G0005320.2	simmondsia_chinensis	SIchi15G0005320.2
SIchi15G0005320.3	simmondsia_chinensis	SIchi15G0005320.3
SalbSina_scaffold10001460.1	sinapis_alba	SalbSina_scaffold10001460.1
SalbSina_scaffold10170005090.1	sinapis_alba	SalbSina_scaffold10170005090.1
SalbSina_scaffold2940237310.1	sinapis_alba	SalbSina_scaffold2940237310.1
SalbSina_scaffold2940237320.1	sinapis_alba	SalbSina_scaffold2940237320.1
SalbSina_scaffold2940237330.1	sinapis_alba	SalbSina_scaffold2940237330.1
SalbSina_scaffold4280314040.1	sinapis_alba	SalbSina_scaffold4280314040.1
SalbSina_scaffold4860340590.1	sinapis_alba	SalbSina_scaffold4860340590.1
SalbSina_scaffold4930342850.1	sinapis_alba	SalbSina_scaffold4930342850.1
SalbSina_scaffold4930342860.1	sinapis_alba	SalbSina_scaffold4930342860.1
SalbSina_scaffold5660372960.1	sinapis_alba	SalbSina_scaffold5660372960.1