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
acorus_americanus_Acora.06G277600.1.p	acorus_americanus	acorus_americanus_Acora.06G277600.1.p
acorus_americanus_Acora.06G277700.1.p	acorus_americanus	acorus_americanus_Acora.06G277700.1.p
acorus_gramineus_AGRA_09775	acorus_gramineus	acorus_gramineus_AGRA_09775
acorus_gramineus_AGRA_13386	acorus_gramineus	acorus_gramineus_AGRA_13386
acorus_gramineus_AGRA_16950	acorus_gramineus	acorus_gramineus_AGRA_16950
acorus_gramineus_AGRA_21837	acorus_gramineus	acorus_gramineus_AGRA_21837
acorus_gramineus_AGRA_21838	acorus_gramineus	acorus_gramineus_AGRA_21838
ATA021.134.t1	acorus_tatarinowii	ATA021.134.t1
ATA3.2112.t1	acorus_tatarinowii	ATA3.2112.t1
ATA3.2127.t1	acorus_tatarinowii	ATA3.2127.t1
ATA9.1350.t1	acorus_tatarinowii	ATA9.1350.t1
ATA9.1351.t1	acorus_tatarinowii	ATA9.1351.t1
Aurv6353440017430	acrobolbus_urvilleanus	Aurv6353440017430
Aurv6480180021700	acrobolbus_urvilleanus	Aurv6480180021700
Aurv8235530095910	acrobolbus_urvilleanus	Aurv8235530095910
Aurv8273340098750	acrobolbus_urvilleanus	Aurv8273340098750
Aurv8712370164470	acrobolbus_urvilleanus	Aurv8712370164470
Aurv8774890178980	acrobolbus_urvilleanus	Aurv8774890178980
Aurv8865260202490	acrobolbus_urvilleanus	Aurv8865260202490
Achi04G0003790.1	actinidia_chinensis	Achi04G0003790.1
Achi07G0002020.1	actinidia_chinensis	Achi07G0002020.1
Achi09G0004760.1	actinidia_chinensis	Achi09G0004760.1
Achi10G0003390.1	actinidia_chinensis	Achi10G0003390.1
Achi21G0004810.1	actinidia_chinensis	Achi21G0004810.1
Achi27G0004590.1	actinidia_chinensis	Achi27G0004590.1
ACeri04G0004570	actinidia_eriantha	ACeri04G0004570
ACeri04G0004610	actinidia_eriantha	ACeri04G0004610
ACeri07G0002570	actinidia_eriantha	ACeri07G0002570
ACeri09G0003490	actinidia_eriantha	ACeri09G0003490
ACeri09G0004900	actinidia_eriantha	ACeri09G0004900