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
ARhyp17G0016190.1	arachis_hypogaea	ARhyp17G0016190.1
ARhyp18G0007790.1	arachis_hypogaea	ARhyp18G0007790.1
ARhyp18G0007790.2	arachis_hypogaea	ARhyp18G0007790.2
ARhyp18G0007790.3	arachis_hypogaea	ARhyp18G0007790.3
ARhyp18G0007830.1	arachis_hypogaea	ARhyp18G0007830.1
ARhyp18G0007850.1	arachis_hypogaea	ARhyp18G0007850.1
ARhyp18G0009030.1	arachis_hypogaea	ARhyp18G0009030.1
ARhyp18G0009610.1	arachis_hypogaea	ARhyp18G0009610.1
ARhyp18G0010820.1	arachis_hypogaea	ARhyp18G0010820.1
ARhyp18G0010820.2	arachis_hypogaea	ARhyp18G0010820.2
ARhyp18G0010840.1	arachis_hypogaea	ARhyp18G0010840.1
ARhyp18G0010890.1	arachis_hypogaea	ARhyp18G0010890.1
ARhyp18G0010910.1	arachis_hypogaea	ARhyp18G0010910.1
ARhyp18G0010990.1	arachis_hypogaea	ARhyp18G0010990.1
ARhyp18G0011070.1	arachis_hypogaea	ARhyp18G0011070.1
ARhyp18G0011090.1	arachis_hypogaea	ARhyp18G0011090.1
ARhyp18G0011090.2	arachis_hypogaea	ARhyp18G0011090.2
ARhyp18G0011140.1	arachis_hypogaea	ARhyp18G0011140.1
ARhyp18G0012510.1	arachis_hypogaea	ARhyp18G0012510.1
ARhyp18G0012510.3	arachis_hypogaea	ARhyp18G0012510.3
ARhyp18G0015690.1	arachis_hypogaea	ARhyp18G0015690.1
ARhyp18G0015750.1	arachis_hypogaea	ARhyp18G0015750.1
ARhyp18G0017430.1	arachis_hypogaea	ARhyp18G0017430.1
ARhyp18G0017480.1	arachis_hypogaea	ARhyp18G0017480.1
ARhyp18G0017480.2	arachis_hypogaea	ARhyp18G0017480.2
ARhyp18G0019920.1	arachis_hypogaea	ARhyp18G0019920.1
ARhyp18G0020230.1	arachis_hypogaea	ARhyp18G0020230.1
ARhyp18G0020850.1	arachis_hypogaea	ARhyp18G0020850.1
ARhyp18G0021630.1	arachis_hypogaea	ARhyp18G0021630.1
ARhyp18G0021970.1	arachis_hypogaea	ARhyp18G0021970.1