CAS

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 CAS.

Lineage Coverage

Detected in 783 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 35857 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
AVESA.00010b.r1.7DG1392130.1	avena_sativa	AVESA.00010b.r1.7DG1392130.1
AVESA.00010b.r1.7DG1392140.1	avena_sativa	AVESA.00010b.r1.7DG1392140.1
AVESA.00010b.r1.7DG1392170.1	avena_sativa	AVESA.00010b.r1.7DG1392170.1
AVESA.00010b.r1.7DG1392180.1	avena_sativa	AVESA.00010b.r1.7DG1392180.1
AVESA.00010b.r1.7DG1392190.1	avena_sativa	AVESA.00010b.r1.7DG1392190.1
AVESA.00010b.r1.7DG1392210.1	avena_sativa	AVESA.00010b.r1.7DG1392210.1
AVESA.00010b.r1.UnG1424520.1	avena_sativa	AVESA.00010b.r1.UnG1424520.1
AVESA.00010b.r1.UnG1429680.1	avena_sativa	AVESA.00010b.r1.UnG1429680.1
AVESA.00010b.r1.UnG1430710.1	avena_sativa	AVESA.00010b.r1.UnG1430710.1
AVESA.00010b.r1.UnG1461890.1	avena_sativa	AVESA.00010b.r1.UnG1461890.1
Acar01G0002410.1	averrhoa_carambola	Acar01G0002410.1
Acar01G0006500.1	averrhoa_carambola	Acar01G0006500.1
Acar01G0006510.1	averrhoa_carambola	Acar01G0006510.1
Acar01G0007540.1	averrhoa_carambola	Acar01G0007540.1
Acar01G0007550.1	averrhoa_carambola	Acar01G0007550.1
Acar01G0007580.1	averrhoa_carambola	Acar01G0007580.1
Acar02G0012370.1	averrhoa_carambola	Acar02G0012370.1
Acar02G0016670.1	averrhoa_carambola	Acar02G0016670.1
Acar02G0026280.1	averrhoa_carambola	Acar02G0026280.1
Acar03G0008280.1	averrhoa_carambola	Acar03G0008280.1
Acar03G0014190.1	averrhoa_carambola	Acar03G0014190.1
Acar03G0014200.1	averrhoa_carambola	Acar03G0014200.1
Acar03G0014230.1	averrhoa_carambola	Acar03G0014230.1
Acar04G0006510.1	averrhoa_carambola	Acar04G0006510.1
Acar04G0006520.1	averrhoa_carambola	Acar04G0006520.1
Acar04G0006550.1	averrhoa_carambola	Acar04G0006550.1
Acar04G0006560.1	averrhoa_carambola	Acar04G0006560.1
Acar04G0006570.1	averrhoa_carambola	Acar04G0006570.1
Acar04G0013360.1	averrhoa_carambola	Acar04G0013360.1
Acar04G0013790.1	averrhoa_carambola	Acar04G0013790.1