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
Ttur4AG0005980.4	triticum_turgidum	Ttur4AG0005980.4
Ttur4AG0005980.5	triticum_turgidum	Ttur4AG0005980.5
Ttur4AG0005980.6	triticum_turgidum	Ttur4AG0005980.6
Ttur4AG0022860.1	triticum_turgidum	Ttur4AG0022860.1
Ttur4AG0022860.2	triticum_turgidum	Ttur4AG0022860.2
Ttur4BG0024340.1	triticum_turgidum	Ttur4BG0024340.1
Ttur4BG0024340.2	triticum_turgidum	Ttur4BG0024340.2
Ttur4BG0024340.3	triticum_turgidum	Ttur4BG0024340.3
Ttur5AG0024810.1	triticum_turgidum	Ttur5AG0024810.1
Ttur5AG0024810.2	triticum_turgidum	Ttur5AG0024810.2
Ttur5AG0024810.3	triticum_turgidum	Ttur5AG0024810.3
Ttur5AG0024810.4	triticum_turgidum	Ttur5AG0024810.4
Ttur5AG0024810.5	triticum_turgidum	Ttur5AG0024810.5
Ttur5AG0033130.4	triticum_turgidum	Ttur5AG0033130.4
Ttur5AG0033130.6	triticum_turgidum	Ttur5AG0033130.6
Ttur5BG0036580.4	triticum_turgidum	Ttur5BG0036580.4
Ttur5BG0036580.5	triticum_turgidum	Ttur5BG0036580.5
Ttur7AG0039880.1	triticum_turgidum	Ttur7AG0039880.1
Ttur7AG0039880.2	triticum_turgidum	Ttur7AG0039880.2
Texs4377960154580	tritomaria_exsectiformis	Texs4377960154580
evm.model.group0.5139	trochodendron_aralioides	evm.model.group0.5139
evm.model.group1.4646	trochodendron_aralioides	evm.model.group1.4646
evm.model.group11.619	trochodendron_aralioides	evm.model.group11.619
evm.model.group14.1068	trochodendron_aralioides	evm.model.group14.1068
evm.model.group4.12	trochodendron_aralioides	evm.model.group4.12
evm.model.group4.1907	trochodendron_aralioides	evm.model.group4.1907
evm.model.group4.973	trochodendron_aralioides	evm.model.group4.973
evm.model.group5.1511	trochodendron_aralioides	evm.model.group5.1511
TRsanscaffold_20101200	trocholejeunea_sandvicensis	TRsanscaffold_20101200
TRsanscaffold_60164580	trocholejeunea_sandvicensis	TRsanscaffold_60164580