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
Cmedscaffold_2270108270.1	citrus_medica	Cmedscaffold_2270108270.1
Cmedscaffold_2270108270.2	citrus_medica	Cmedscaffold_2270108270.2
Cmedscaffold_2990146270.1	citrus_medica	Cmedscaffold_2990146270.1
Cmedscaffold_4030197650.1	citrus_medica	Cmedscaffold_4030197650.1
Cmedscaffold_440211200.1	citrus_medica	Cmedscaffold_440211200.1
Cmedscaffold_440211210.1	citrus_medica	Cmedscaffold_440211210.1
Cmedscaffold_60280255530.1	citrus_medica	Cmedscaffold_60280255530.1
Cretscaffold18271_cov590028290.1	citrus_reticulata	Cretscaffold18271_cov590028290.1
Cretscaffold24482_cov1080038590.1	citrus_reticulata	Cretscaffold24482_cov1080038590.1
Cretscaffold29366_cov1380049660.1	citrus_reticulata	Cretscaffold29366_cov1380049660.1
Cretscaffold294_cov920050070.1	citrus_reticulata	Cretscaffold294_cov920050070.1
Cretscaffold294_cov920050080.1	citrus_reticulata	Cretscaffold294_cov920050080.1
Cretscaffold39_cov910074620.1	citrus_reticulata	Cretscaffold39_cov910074620.1
Cretscaffold429_cov910082780.1	citrus_reticulata	Cretscaffold429_cov910082780.1
Cretscaffold543_cov950108500.1	citrus_reticulata	Cretscaffold543_cov950108500.1
Cretscaffold543_cov950108510.1	citrus_reticulata	Cretscaffold543_cov950108510.1
Cretscaffold80818_cov1250122440.1	citrus_reticulata	Cretscaffold80818_cov1250122440.1
Cretscaffold82234_cov1060124540.1	citrus_reticulata	Cretscaffold82234_cov1060124540.1
Cretscaffold83522_cov1450129420.1	citrus_reticulata	Cretscaffold83522_cov1450129420.1
Cretscaffold8841_cov910280320.1	citrus_reticulata	Cretscaffold8841_cov910280320.1
Cretscaffold8841_cov910280320.2	citrus_reticulata	Cretscaffold8841_cov910280320.2
Cretscaffold8841_cov910280320.3	citrus_reticulata	Cretscaffold8841_cov910280320.3
Cretscaffold884_cov800283210.1	citrus_reticulata	Cretscaffold884_cov800283210.1
Csinscaffold000040026960.1	citrus_sinensis	Csinscaffold000040026960.1
Csinscaffold000040026960.2	citrus_sinensis	Csinscaffold000040026960.2
Csinscaffold000060032700.1	citrus_sinensis	Csinscaffold000060032700.1
Csinscaffold000060032700.2	citrus_sinensis	Csinscaffold000060032700.2
Csinscaffold000500109230.1	citrus_sinensis	Csinscaffold000500109230.1
CLchi14G0007430.1	cladopus_chinensis	CLchi14G0007430.1
CLchi14G0008210.1	cladopus_chinensis	CLchi14G0008210.1