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
GWHPAAEP031513	populus_alba	GWHPAAEP031513
GWHPAAEP031518	populus_alba	GWHPAAEP031518
GWHPAAEP032503	populus_alba	GWHPAAEP032503
GWHPAAEP035513	populus_alba	GWHPAAEP035513
GWHPAAEP035516	populus_alba	GWHPAAEP035516
GWHPAAEP035517	populus_alba	GWHPAAEP035517
GWHPAAEP037978	populus_alba	GWHPAAEP037978
GWHPAAEP038450	populus_alba	GWHPAAEP038450
GWHPAAEP042325	populus_alba	GWHPAAEP042325
populus_euphratica_GWHPAAYU001483	populus_euphratica	populus_euphratica_GWHPAAYU001483
populus_euphratica_GWHPAAYU007243	populus_euphratica	populus_euphratica_GWHPAAYU007243
populus_euphratica_GWHPAAYU012574	populus_euphratica	populus_euphratica_GWHPAAYU012574
populus_euphratica_GWHPAAYU012577	populus_euphratica	populus_euphratica_GWHPAAYU012577
populus_euphratica_GWHPAAYU013964	populus_euphratica	populus_euphratica_GWHPAAYU013964
populus_euphratica_GWHPAAYU013965	populus_euphratica	populus_euphratica_GWHPAAYU013965
populus_euphratica_GWHPAAYU015595	populus_euphratica	populus_euphratica_GWHPAAYU015595
populus_euphratica_GWHPAAYU034086	populus_euphratica	populus_euphratica_GWHPAAYU034086
populus_euphratica_GWHPAAYU034087	populus_euphratica	populus_euphratica_GWHPAAYU034087
populus_euphratica_GWHPAAYU034089	populus_euphratica	populus_euphratica_GWHPAAYU034089
populus_euphratica_GWHPAAYU034193	populus_euphratica	populus_euphratica_GWHPAAYU034193
populus_euphratica_GWHPAAYU034195	populus_euphratica	populus_euphratica_GWHPAAYU034195
populus_euphratica_GWHPAAYU036442	populus_euphratica	populus_euphratica_GWHPAAYU036442
populus_euphratica_GWHPAAYU036443	populus_euphratica	populus_euphratica_GWHPAAYU036443
populus_euphratica_GWHPAAYU037251	populus_euphratica	populus_euphratica_GWHPAAYU037251
PglaA01G0014740.1	populus_glandulosa_x_p_alba	PglaA01G0014740.1
PglaA01G0014750.1	populus_glandulosa_x_p_alba	PglaA01G0014750.1
PglaA01G0029930.1	populus_glandulosa_x_p_alba	PglaA01G0029930.1
PglaA02G0014050.1	populus_glandulosa_x_p_alba	PglaA02G0014050.1
PglaA05G0011000.1	populus_glandulosa_x_p_alba	PglaA05G0011000.1
PglaA05G0017110.1	populus_glandulosa_x_p_alba	PglaA05G0017110.1