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
ARhyp02G0014200.1	arachis_hypogaea	ARhyp02G0014200.1
ARhyp02G0014210.1	arachis_hypogaea	ARhyp02G0014210.1
ARhyp02G0014210.2	arachis_hypogaea	ARhyp02G0014210.2
ARhyp02G0014210.3	arachis_hypogaea	ARhyp02G0014210.3
ARhyp02G0014220.1	arachis_hypogaea	ARhyp02G0014220.1
ARhyp03G0012430.1	arachis_hypogaea	ARhyp03G0012430.1
ARhyp03G0014490.1	arachis_hypogaea	ARhyp03G0014490.1
ARhyp03G0033310.1	arachis_hypogaea	ARhyp03G0033310.1
ARhyp03G0033310.2	arachis_hypogaea	ARhyp03G0033310.2
ARhyp03G0033310.3	arachis_hypogaea	ARhyp03G0033310.3
ARhyp04G0000070.1	arachis_hypogaea	ARhyp04G0000070.1
ARhyp04G0000070.2	arachis_hypogaea	ARhyp04G0000070.2
ARhyp04G0024140.1	arachis_hypogaea	ARhyp04G0024140.1
ARhyp04G0024140.2	arachis_hypogaea	ARhyp04G0024140.2
ARhyp05G0010050.1	arachis_hypogaea	ARhyp05G0010050.1
ARhyp05G0010260.1	arachis_hypogaea	ARhyp05G0010260.1
ARhyp05G0010260.2	arachis_hypogaea	ARhyp05G0010260.2
ARhyp05G0010260.3	arachis_hypogaea	ARhyp05G0010260.3
ARhyp05G0010260.4	arachis_hypogaea	ARhyp05G0010260.4
ARhyp05G0013950.1	arachis_hypogaea	ARhyp05G0013950.1
ARhyp05G0013950.2	arachis_hypogaea	ARhyp05G0013950.2
ARhyp05G0022050.1	arachis_hypogaea	ARhyp05G0022050.1
ARhyp05G0022050.2	arachis_hypogaea	ARhyp05G0022050.2
ARhyp05G0022070.1	arachis_hypogaea	ARhyp05G0022070.1
ARhyp05G0022070.2	arachis_hypogaea	ARhyp05G0022070.2
ARhyp05G0022080.1	arachis_hypogaea	ARhyp05G0022080.1
ARhyp05G0022100.1	arachis_hypogaea	ARhyp05G0022100.1
ARhyp05G0022110.1	arachis_hypogaea	ARhyp05G0022110.1
ARhyp05G0022130.1	arachis_hypogaea	ARhyp05G0022130.1
ARhyp05G0022170.1	arachis_hypogaea	ARhyp05G0022170.1