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
En_0042605.mRNA1	eragrostis_nindensis	En_0042605.mRNA1
En_0093087.mRNA1	eragrostis_nindensis	En_0093087.mRNA1
En_0095467.mRNA1	eragrostis_nindensis	En_0095467.mRNA1
En_0095568.mRNA1	eragrostis_nindensis	En_0095568.mRNA1
En_0105024.mRNA1	eragrostis_nindensis	En_0105024.mRNA1
Eoph01G0010140.1	eremochloa_ophiuroides	Eoph01G0010140.1
Ebreopera_scaffold_17530076970	erigeron_breviscapus	Ebreopera_scaffold_17530076970
Ebreopera_scaffold_241320141920	erigeron_breviscapus	Ebreopera_scaffold_241320141920
Ebreopera_scaffold_264560161610	erigeron_breviscapus	Ebreopera_scaffold_264560161610
Ebreopera_scaffold_46930268740	erigeron_breviscapus	Ebreopera_scaffold_46930268740
Ebreopera_scaffold_573230300330	erigeron_breviscapus	Ebreopera_scaffold_573230300330
Ejap01G0020990.1	eriobotrya_japonica	Ejap01G0020990.1
Ejap01G0021000.1	eriobotrya_japonica	Ejap01G0021000.1
Ejap01G0021010.1	eriobotrya_japonica	Ejap01G0021010.1
Ejap01G0021020.1	eriobotrya_japonica	Ejap01G0021020.1
Ejap01G0021030.1	eriobotrya_japonica	Ejap01G0021030.1
Ejap02G0020020.1	eriobotrya_japonica	Ejap02G0020020.1
Ejap02G0020060.1	eriobotrya_japonica	Ejap02G0020060.1
Ejap03G0012760.1	eriobotrya_japonica	Ejap03G0012760.1
Ejap05G0016250.1	eriobotrya_japonica	Ejap05G0016250.1
Ejap05G0022740.1	eriobotrya_japonica	Ejap05G0022740.1
Ejap06G0025990.1	eriobotrya_japonica	Ejap06G0025990.1
Ejap10G0002190.1	eriobotrya_japonica	Ejap10G0002190.1
Ejap10G0002200.1	eriobotrya_japonica	Ejap10G0002200.1
Ejap10G0002210.1	eriobotrya_japonica	Ejap10G0002210.1
Ejap10G0002220.1	eriobotrya_japonica	Ejap10G0002220.1
Ejap10G0002230.1	eriobotrya_japonica	Ejap10G0002230.1
Ejap11G0023090.1	eriobotrya_japonica	Ejap11G0023090.1
Ejap15G0014610.1	eriobotrya_japonica	Ejap15G0014610.1
eruca_sativa_CAH8320306.1	eruca_sativa	eruca_sativa_CAH8320306.1