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
aconitum_vilmorinianum_GWHPBRAL036875	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL036875
aconitum_vilmorinianum_GWHPBRAL037770	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL037770
aconitum_vilmorinianum_GWHPBRAL037965	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL037965
aconitum_vilmorinianum_GWHPBRAL042347	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL042347
aconitum_vilmorinianum_GWHPBRAL046048	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL046048
aconitum_vilmorinianum_GWHPBRAL046454	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL046454
aconitum_vilmorinianum_GWHPBRAL047791	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL047791
aconitum_vilmorinianum_GWHPBRAL049261	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL049261
aconitum_vilmorinianum_GWHPBRAL049462	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL049462
aconitum_vilmorinianum_GWHPBRAL050920	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL050920
aconitum_vilmorinianum_GWHPBRAL051717	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL051717
aconitum_vilmorinianum_GWHPBRAL053181	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL053181
aconitum_vilmorinianum_GWHPBRAL053869	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL053869
aconitum_vilmorinianum_GWHPBRAL054025	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL054025
aconitum_vilmorinianum_GWHPBRAL055067	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL055067
aconitum_vilmorinianum_GWHPBRAL059969	aconitum_vilmorinianum	aconitum_vilmorinianum_GWHPBRAL059969
acorus_americanus_Acora.01G003700.1.p	acorus_americanus	acorus_americanus_Acora.01G003700.1.p
acorus_americanus_Acora.01G003800.1.p	acorus_americanus	acorus_americanus_Acora.01G003800.1.p
acorus_americanus_Acora.01G169400.1.p	acorus_americanus	acorus_americanus_Acora.01G169400.1.p
acorus_americanus_Acora.01G218000.1.p	acorus_americanus	acorus_americanus_Acora.01G218000.1.p
acorus_americanus_Acora.01G218700.1.p	acorus_americanus	acorus_americanus_Acora.01G218700.1.p
acorus_americanus_Acora.01G221100.1.p	acorus_americanus	acorus_americanus_Acora.01G221100.1.p
acorus_americanus_Acora.01G221200.1.p	acorus_americanus	acorus_americanus_Acora.01G221200.1.p
acorus_americanus_Acora.01G221300.1.p	acorus_americanus	acorus_americanus_Acora.01G221300.1.p
acorus_americanus_Acora.01G221400.1.p	acorus_americanus	acorus_americanus_Acora.01G221400.1.p
acorus_americanus_Acora.01G221500.1.p	acorus_americanus	acorus_americanus_Acora.01G221500.1.p
acorus_americanus_Acora.01G221600.1.p	acorus_americanus	acorus_americanus_Acora.01G221600.1.p
acorus_americanus_Acora.01G221900.1.p	acorus_americanus	acorus_americanus_Acora.01G221900.1.p
acorus_americanus_Acora.01G222100.1.p	acorus_americanus	acorus_americanus_Acora.01G222100.1.p
acorus_americanus_Acora.01G222200.1.p	acorus_americanus	acorus_americanus_Acora.01G222200.1.p