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
BjunA06G0023860	brassica_juncea	BjunA06G0023860
BjunA08G0007520	brassica_juncea	BjunA08G0007520
BjunA09G0005430	brassica_juncea	BjunA09G0005430
BjunA09G0015180	brassica_juncea	BjunA09G0015180
BjunA09G0015330	brassica_juncea	BjunA09G0015330
BjunB02G0003430	brassica_juncea	BjunB02G0003430
BjunB02G0047230	brassica_juncea	BjunB02G0047230
BjunB05G0001950	brassica_juncea	BjunB05G0001950
BjunB07G0015330	brassica_juncea	BjunB07G0015330
BjunContig16320010410	brassica_juncea	BjunContig16320010410
BjunContig1968_1_657310014340	brassica_juncea	BjunContig1968_1_657310014340
BjunSuper_scaffold_5_1_6334723_245229_7451470068260	brassica_juncea	BjunSuper_scaffold_5_1_6334723_245229_7451470068260
BjunSuper_scaffold_5_1_6334723_245229_7451470068270	brassica_juncea	BjunSuper_scaffold_5_1_6334723_245229_7451470068270
BjunSuper_scaffold_5_1_6334723_245229_7451470068280	brassica_juncea	BjunSuper_scaffold_5_1_6334723_245229_7451470068280
BnigB1G0021930.1	brassica_nigra	BnigB1G0021930.1
BnigB2G0055250.1	brassica_nigra	BnigB2G0055250.1
BnigB5G0028110.1	brassica_nigra	BnigB5G0028110.1
BnigB6G0023860.1	brassica_nigra	BnigB6G0023860.1
BnigB6G0035710.1	brassica_nigra	BnigB6G0035710.1
BnigB6G0035720.1	brassica_nigra	BnigB6G0035720.1
BnigB6G0035730.1	brassica_nigra	BnigB6G0035730.1
BnigB8G0006070.1	brassica_nigra	BnigB8G0006070.1
BnigB8G0054190.1	brassica_nigra	BnigB8G0054190.1
Bnigscaffold_754.10063190.1	brassica_nigra	Bnigscaffold_754.10063190.1
Bnigscaffold_838.10066000.1	brassica_nigra	Bnigscaffold_838.10066000.1
Bo01317s020.1	brassica_oleracea	Bo01317s020.1
Bo11165s010.1	brassica_oleracea	Bo11165s010.1
Bo1g003440.1	brassica_oleracea	Bo1g003440.1
Bo2g160650.1	brassica_oleracea	Bo2g160650.1
Bo2g160680.1	brassica_oleracea	Bo2g160680.1