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
aralia_elata_AE12G00637.1	aralia_elata	aralia_elata_AE12G00637.1
aralia_elata_AE12G00638.1	aralia_elata	aralia_elata_AE12G00638.1
aralia_elata_AE12G00746.1	aralia_elata	aralia_elata_AE12G00746.1
Aaltescaffold_20186590	archidium_alternifolium	Aaltescaffold_20186590
Aaltescaffold_20212010	archidium_alternifolium	Aaltescaffold_20212010
Aaltescaffold_20212090	archidium_alternifolium	Aaltescaffold_20212090
Aaltescaffold_20212190	archidium_alternifolium	Aaltescaffold_20212190
Aaltescaffold_20212230	archidium_alternifolium	Aaltescaffold_20212230
Aaltescaffold_40337720	archidium_alternifolium	Aaltescaffold_40337720
Aaltescaffold_40347420	archidium_alternifolium	Aaltescaffold_40347420
Aaltescaffold_70458340	archidium_alternifolium	Aaltescaffold_70458340
arctium_lappa_Alap.ptg000001l.g371.t1	arctium_lappa	arctium_lappa_Alap.ptg000001l.g371.t1
arctium_lappa_Alap.ptg000002l.g2821.t1	arctium_lappa	arctium_lappa_Alap.ptg000002l.g2821.t1
arctium_lappa_Alap.ptg000004l.g2252.t1	arctium_lappa	arctium_lappa_Alap.ptg000004l.g2252.t1
arctium_lappa_Alap.ptg000007l.g1280.t1	arctium_lappa	arctium_lappa_Alap.ptg000007l.g1280.t1
arctium_lappa_Alap.ptg000007l.g3565.t1	arctium_lappa	arctium_lappa_Alap.ptg000007l.g3565.t1
arctium_lappa_Alap.ptg000011l.g2034.t1	arctium_lappa	arctium_lappa_Alap.ptg000011l.g2034.t1
arctium_lappa_Alap.ptg000012l.g811.t1	arctium_lappa	arctium_lappa_Alap.ptg000012l.g811.t1
arctium_lappa_Alap.ptg000017l.g2060.t1	arctium_lappa	arctium_lappa_Alap.ptg000017l.g2060.t1
arctium_lappa_Alap.ptg000017l.g2077.t1	arctium_lappa	arctium_lappa_Alap.ptg000017l.g2077.t1
arctium_lappa_Alap.ptg000020l.g1518.t1	arctium_lappa	arctium_lappa_Alap.ptg000020l.g1518.t1
arctium_lappa_Alap.ptg000020l.g1519.t1	arctium_lappa	arctium_lappa_Alap.ptg000020l.g1519.t1
arctium_lappa_Alap.ptg000021l.g1872.t1	arctium_lappa	arctium_lappa_Alap.ptg000021l.g1872.t1
Acat02G0016010	areca_catechu	Acat02G0016010
Acat09G0006250	areca_catechu	Acat09G0006250
Acat15G0029190	areca_catechu	Acat15G0029190
argentina_anserina_Poanv1_11G01188.1	argentina_anserina	argentina_anserina_Poanv1_11G01188.1
argentina_anserina_Poanv1_1G01633.1	argentina_anserina	argentina_anserina_Poanv1_1G01633.1
argentina_anserina_Poanv1_2G00432.1	argentina_anserina	argentina_anserina_Poanv1_2G00432.1
argentina_anserina_Poanv1_2G00943.1	argentina_anserina	argentina_anserina_Poanv1_2G00943.1