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
Abuxscaffold253490134790.3	atlantia_buxifolia	Abuxscaffold253490134790.3
Abuxscaffold253490134790.4	atlantia_buxifolia	Abuxscaffold253490134790.4
Abuxscaffold253490134790.5	atlantia_buxifolia	Abuxscaffold253490134790.5
Abuxscaffold27790162030.1	atlantia_buxifolia	Abuxscaffold27790162030.1
Abuxscaffold27790162260.1	atlantia_buxifolia	Abuxscaffold27790162260.1
Abuxscaffold27790162260.2	atlantia_buxifolia	Abuxscaffold27790162260.2
Abuxscaffold293090178850.1	atlantia_buxifolia	Abuxscaffold293090178850.1
Abuxscaffold293090178860.1	atlantia_buxifolia	Abuxscaffold293090178860.1
ANangscaffold_10005050	atrichum_angustatum	ANangscaffold_10005050
ANangscaffold_20086320	atrichum_angustatum	ANangscaffold_20086320
Aand2550086290	aulacomnium_androgynum	Aand2550086290
Aand570220480	aulacomnium_androgynum	Aand570220480
Aand860268510	aulacomnium_androgynum	Aand860268510
Apal10700008590	aulacomnium_palustre	Apal10700008590
Apal11160013780	aulacomnium_palustre	Apal11160013780
Apal1640109360	aulacomnium_palustre	Apal1640109360
Aturscaffold_20088840	aulacomnium_turgidum	Aturscaffold_20088840
Aturscaffold_80309050	aulacomnium_turgidum	Aturscaffold_80309050
Aprocontig_KL6621270037450.1	auxenochlorella_protothecoides	Aprocontig_KL6621270037450.1
Aprocontig_KL6621290040820.1	auxenochlorella_protothecoides	Aprocontig_KL6621290040820.1
AatlScoFOjO_2050_27120209280.1	avena_atlantica	AatlScoFOjO_2050_27120209280.1
AatlScoFOjO_2050_27120216150.1	avena_atlantica	AatlScoFOjO_2050_27120216150.1
AatlScoFOjO_324_4490343400.1	avena_atlantica	AatlScoFOjO_324_4490343400.1
AVeriSctCcfP_2055_39360169540.1	avena_eriantha	AVeriSctCcfP_2055_39360169540.1
AVeriSctCcfP_670_13520458840.1	avena_eriantha	AVeriSctCcfP_670_13520458840.1
AVESA.00010b.r1.1DG0128430.1	avena_sativa	AVESA.00010b.r1.1DG0128430.1
AVESA.00010b.r1.1DG0135570.1	avena_sativa	AVESA.00010b.r1.1DG0135570.1
AVESA.00010b.r1.2AG0220840.1	avena_sativa	AVESA.00010b.r1.2AG0220840.1
AVESA.00010b.r1.4CG1328960.1	avena_sativa	AVESA.00010b.r1.4CG1328960.1
AVESA.00010b.r1.5AG0798290.1	avena_sativa	AVESA.00010b.r1.5AG0798290.1