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
ARhyp05G0022180.1	arachis_hypogaea	ARhyp05G0022180.1
ARhyp05G0022190.1	arachis_hypogaea	ARhyp05G0022190.1
ARhyp05G0022210.1	arachis_hypogaea	ARhyp05G0022210.1
ARhyp05G0022220.1	arachis_hypogaea	ARhyp05G0022220.1
ARhyp05G0022240.1	arachis_hypogaea	ARhyp05G0022240.1
ARhyp05G0022240.2	arachis_hypogaea	ARhyp05G0022240.2
ARhyp05G0022240.3	arachis_hypogaea	ARhyp05G0022240.3
ARhyp05G0022240.4	arachis_hypogaea	ARhyp05G0022240.4
ARhyp05G0022250.1	arachis_hypogaea	ARhyp05G0022250.1
ARhyp05G0022260.1	arachis_hypogaea	ARhyp05G0022260.1
ARhyp06G0011220.1	arachis_hypogaea	ARhyp06G0011220.1
ARhyp06G0011240.1	arachis_hypogaea	ARhyp06G0011240.1
ARhyp06G0019180.1	arachis_hypogaea	ARhyp06G0019180.1
ARhyp06G0019180.2	arachis_hypogaea	ARhyp06G0019180.2
ARhyp06G0025870.1	arachis_hypogaea	ARhyp06G0025870.1
ARhyp07G0001300.1	arachis_hypogaea	ARhyp07G0001300.1
ARhyp07G0006280.1	arachis_hypogaea	ARhyp07G0006280.1
ARhyp07G0014590.1	arachis_hypogaea	ARhyp07G0014590.1
ARhyp07G0014590.2	arachis_hypogaea	ARhyp07G0014590.2
ARhyp07G0014590.3	arachis_hypogaea	ARhyp07G0014590.3
ARhyp07G0014920.1	arachis_hypogaea	ARhyp07G0014920.1
ARhyp07G0014920.2	arachis_hypogaea	ARhyp07G0014920.2
ARhyp07G0020490.1	arachis_hypogaea	ARhyp07G0020490.1
ARhyp07G0020490.2	arachis_hypogaea	ARhyp07G0020490.2
ARhyp07G0020490.3	arachis_hypogaea	ARhyp07G0020490.3
ARhyp07G0020500.1	arachis_hypogaea	ARhyp07G0020500.1
ARhyp07G0021570.1	arachis_hypogaea	ARhyp07G0021570.1
ARhyp08G0015250.1	arachis_hypogaea	ARhyp08G0015250.1
ARhyp08G0015260.1	arachis_hypogaea	ARhyp08G0015260.1
ARhyp08G0015280.1	arachis_hypogaea	ARhyp08G0015280.1