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
Scus16G0017520.1	strobilanthes_cusia	Scus16G0017520.1
Scus16G0028400.1	strobilanthes_cusia	Scus16G0028400.1
Suaeda_aralocaspica_GOSA_00010812-RA	suaeda_aralocaspica	Suaeda_aralocaspica_GOSA_00010812-RA
Suaeda_aralocaspica_GOSA_00013239-RA	suaeda_aralocaspica	Suaeda_aralocaspica_GOSA_00013239-RA
Suaeda_aralocaspica_GOSA_00013264-RA	suaeda_aralocaspica	Suaeda_aralocaspica_GOSA_00013264-RA
Scan02G0001800.1	syntrichia_caninervis	Scan02G0001800.1
Scan07G0002390.1	syntrichia_caninervis	Scan07G0002390.1
Scan07G0011340.1	syntrichia_caninervis	Scan07G0011340.1
Scan10G0002330.1	syntrichia_caninervis	Scan10G0002330.1
Srurcontig_2560126060	syntrichia_ruralis	Srurcontig_2560126060
Srurcontig_3010142880	syntrichia_ruralis	Srurcontig_3010142880
Srurcontig_3430168320	syntrichia_ruralis	Srurcontig_3430168320
Srurcontig_5330262630	syntrichia_ruralis	Srurcontig_5330262630
Srurcontig_5330262640	syntrichia_ruralis	Srurcontig_5330262640
Srurcontig_6460329940	syntrichia_ruralis	Srurcontig_6460329940
Srurcontig_9680488930	syntrichia_ruralis	Srurcontig_9680488930
Srurcontig_9760493090	syntrichia_ruralis	Srurcontig_9760493090
syringa_oblata_Ob0202574.1	syringa_oblata	syringa_oblata_Ob0202574.1
syringa_oblata_Ob0214604.1	syringa_oblata	syringa_oblata_Ob0214604.1
syringa_oblata_Ob0217834.1	syringa_oblata	syringa_oblata_Ob0217834.1
syringa_oblata_Ob0218113.1	syringa_oblata	syringa_oblata_Ob0218113.1
syringa_oblata_Ob0220808.1	syringa_oblata	syringa_oblata_Ob0220808.1
syringa_oblata_Ob0224724.1	syringa_oblata	syringa_oblata_Ob0224724.1
syringa_oblata_Ob0224948.1	syringa_oblata	syringa_oblata_Ob0224948.1
syringa_oblata_Ob0226545.1	syringa_oblata	syringa_oblata_Ob0226545.1
syringa_oblata_Ob0226616.1	syringa_oblata	syringa_oblata_Ob0226616.1
syringa_oblata_Ob0233693.1	syringa_oblata	syringa_oblata_Ob0233693.1
syringa_oblata_Ob0233709.1	syringa_oblata	syringa_oblata_Ob0233709.1
syringa_oblata_Ob0239880.1	syringa_oblata	syringa_oblata_Ob0239880.1
syringa_oblata_Ob0252871.1	syringa_oblata	syringa_oblata_Ob0252871.1