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
ARhyp08G0017470.1	arachis_hypogaea	ARhyp08G0017470.1
ARhyp08G0017490.2	arachis_hypogaea	ARhyp08G0017490.2
ARhyp08G0017520.1	arachis_hypogaea	ARhyp08G0017520.1
ARhyp08G0017520.2	arachis_hypogaea	ARhyp08G0017520.2
ARhyp08G0017540.1	arachis_hypogaea	ARhyp08G0017540.1
ARhyp08G0019470.1	arachis_hypogaea	ARhyp08G0019470.1
ARhyp08G0019470.2	arachis_hypogaea	ARhyp08G0019470.2
ARhyp08G0022970.1	arachis_hypogaea	ARhyp08G0022970.1
ARhyp08G0022990.1	arachis_hypogaea	ARhyp08G0022990.1
ARhyp08G0023010.1	arachis_hypogaea	ARhyp08G0023010.1
ARhyp08G0023020.1	arachis_hypogaea	ARhyp08G0023020.1
ARhyp08G0023020.2	arachis_hypogaea	ARhyp08G0023020.2
ARhyp08G0023020.3	arachis_hypogaea	ARhyp08G0023020.3
ARhyp09G0015020.1	arachis_hypogaea	ARhyp09G0015020.1
ARhyp09G0015020.2	arachis_hypogaea	ARhyp09G0015020.2
ARhyp09G0015030.1	arachis_hypogaea	ARhyp09G0015030.1
ARhyp09G0015030.2	arachis_hypogaea	ARhyp09G0015030.2
ARhyp09G0019240.1	arachis_hypogaea	ARhyp09G0019240.1
ARhyp09G0029180.1	arachis_hypogaea	ARhyp09G0029180.1
ARhyp10G0003950.1	arachis_hypogaea	ARhyp10G0003950.1
ARhyp10G0003970.1	arachis_hypogaea	ARhyp10G0003970.1
ARhyp10G0003990.1	arachis_hypogaea	ARhyp10G0003990.1
ARhyp10G0003990.2	arachis_hypogaea	ARhyp10G0003990.2
ARhyp10G0010830.2	arachis_hypogaea	ARhyp10G0010830.2
ARhyp10G0010830.3	arachis_hypogaea	ARhyp10G0010830.3
ARhyp10G0010830.4	arachis_hypogaea	ARhyp10G0010830.4
ARhyp10G0010830.5	arachis_hypogaea	ARhyp10G0010830.5
ARhyp10G0010850.1	arachis_hypogaea	ARhyp10G0010850.1
ARhyp10G0010860.1	arachis_hypogaea	ARhyp10G0010860.1
ARhyp10G0010870.1	arachis_hypogaea	ARhyp10G0010870.1