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
Lgau2180260161830	leptotheca_gaudichaudii	Lgau2180260161830
Lgau2190010182640	leptotheca_gaudichaudii	Lgau2190010182640
Lgau2206020232820	leptotheca_gaudichaudii	Lgau2206020232820
Lgau241050281320	leptotheca_gaudichaudii	Lgau241050281320
Leucobryum7459370069010	leucobryum	Leucobryum7459370069010
Leucobryum7860700157290	leucobryum	Leucobryum7860700157290
Leucobryum7903990197760	leucobryum	Leucobryum7903990197760
Leucobryum7936070253120	leucobryum	Leucobryum7936070253120
Leucobryum7967500319850	leucobryum	Leucobryum7967500319850
Lalbi7459370069010	leucobryum_albidum	Lalbi7459370069010
Lalbi7860700157290	leucobryum_albidum	Lalbi7860700157290
Lalbi7903990197760	leucobryum_albidum	Lalbi7903990197760
Lalbi7936070253120	leucobryum_albidum	Lalbi7936070253120
Lalbi7967500319850	leucobryum_albidum	Lalbi7967500319850
Lbowcontig_120069910	leucobryum_bowringii	Lbowcontig_120069910
Lbowcontig_120082940	leucobryum_bowringii	Lbowcontig_120082940
Lbowcontig_80331100	leucobryum_bowringii	Lbowcontig_80331100
Lusiscaffold10350006670.1	linum_usitatissimum	Lusiscaffold10350006670.1
Lusiscaffold150067370.1	linum_usitatissimum	Lusiscaffold150067370.1
Lusiscaffold4540278260.1	linum_usitatissimum	Lusiscaffold4540278260.1
Lusiscaffold4610281060.1	linum_usitatissimum	Lusiscaffold4610281060.1
Lusiscaffold530312720.1	linum_usitatissimum	Lusiscaffold530312720.1
Lusiscaffold9930434000.1	linum_usitatissimum	Lusiscaffold9930434000.1
LchiScaffold21180122770	liriodendron_chinense	LchiScaffold21180122770
LchiScaffold24670142730	liriodendron_chinense	LchiScaffold24670142730
LchiScaffold5470266050	liriodendron_chinense	LchiScaffold5470266050
litchi_chinensis_LITCHI001384.m1	litchi_chinensis	litchi_chinensis_LITCHI001384.m1
litchi_chinensis_LITCHI001385.m1	litchi_chinensis	litchi_chinensis_LITCHI001385.m1
litchi_chinensis_LITCHI001386.m1	litchi_chinensis	litchi_chinensis_LITCHI001386.m1
litchi_chinensis_LITCHI007113.m1	litchi_chinensis	litchi_chinensis_LITCHI007113.m1