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
przewalskia_tangutica_MNPT038385.1	przewalskia_tangutica	przewalskia_tangutica_MNPT038385.1
Pcin1926480143870	pseudobryum_cinclidioides	Pcin1926480143870
Pcin1957050174350	pseudobryum_cinclidioides	Pcin1957050174350
Pcin1992270223540	pseudobryum_cinclidioides	Pcin1992270223540
psidium_guajava_evm.model.ctg12.220	psidium_guajava	psidium_guajava_evm.model.ctg12.220
psidium_guajava_evm.model.ctg29.226	psidium_guajava	psidium_guajava_evm.model.ctg29.226
psidium_guajava_evm.model.ctg31.374	psidium_guajava	psidium_guajava_evm.model.ctg31.374
psidium_guajava_evm.model.ctg34.304	psidium_guajava	psidium_guajava_evm.model.ctg34.304
psidium_guajava_evm.model.ctg34.652	psidium_guajava	psidium_guajava_evm.model.ctg34.652
psidium_guajava_evm.model.ctg40.2427	psidium_guajava	psidium_guajava_evm.model.ctg40.2427
psidium_guajava_evm.model.ctg9.1875	psidium_guajava	psidium_guajava_evm.model.ctg9.1875
PsteC9123350010030.1	pterocarya_stenoptera	PsteC9123350010030.1
PsteC9135670011480.1	pterocarya_stenoptera	PsteC9135670011480.1
PsteC9196270021470.1	pterocarya_stenoptera	PsteC9196270021470.1
PsteC9196290021490.1	pterocarya_stenoptera	PsteC9196290021490.1
PsteC9332170088670.1	pterocarya_stenoptera	PsteC9332170088670.1
PsteC9332170088680.1	pterocarya_stenoptera	PsteC9332170088680.1
Pstescaffold1190102740.1	pterocarya_stenoptera	Pstescaffold1190102740.1
Pstescaffold23560145800.1	pterocarya_stenoptera	Pstescaffold23560145800.1
Pstescaffold32770182830.1	pterocarya_stenoptera	Pstescaffold32770182830.1
Pstescaffold33750187370.1	pterocarya_stenoptera	Pstescaffold33750187370.1
Pstescaffold3980213510.1	pterocarya_stenoptera	Pstescaffold3980213510.1
Pstescaffold3980213530.1	pterocarya_stenoptera	Pstescaffold3980213530.1
Pstescaffold3980213550.1	pterocarya_stenoptera	Pstescaffold3980213550.1
Pstescaffold3980213570.1	pterocarya_stenoptera	Pstescaffold3980213570.1
Pstescaffold54810272110.1	pterocarya_stenoptera	Pstescaffold54810272110.1
Pstescaffold59440290100.1	pterocarya_stenoptera	Pstescaffold59440290100.1
Pstescaffold59440290110.1	pterocarya_stenoptera	Pstescaffold59440290110.1
Pstescaffold64100308720.1	pterocarya_stenoptera	Pstescaffold64100308720.1
Pstescaffold71790340090.1	pterocarya_stenoptera	Pstescaffold71790340090.1