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
ARhyp18G0027160.1	arachis_hypogaea	ARhyp18G0027160.1
ARhyp18G0027160.2	arachis_hypogaea	ARhyp18G0027160.2
ARhyp18G0027180.1	arachis_hypogaea	ARhyp18G0027180.1
ARhyp18G0027210.1	arachis_hypogaea	ARhyp18G0027210.1
ARhyp18G0027220.1	arachis_hypogaea	ARhyp18G0027220.1
ARhyp18G0027220.2	arachis_hypogaea	ARhyp18G0027220.2
ARhyp18G0027290.1	arachis_hypogaea	ARhyp18G0027290.1
ARhyp18G0027290.2	arachis_hypogaea	ARhyp18G0027290.2
ARhyp18G0027290.3	arachis_hypogaea	ARhyp18G0027290.3
ARhyp18G0027290.4	arachis_hypogaea	ARhyp18G0027290.4
ARhyp18G0027310.1	arachis_hypogaea	ARhyp18G0027310.1
ARhyp19G0016820.1	arachis_hypogaea	ARhyp19G0016820.1
ARhyp19G0019770.1	arachis_hypogaea	ARhyp19G0019770.1
ARhyp19G0020250.1	arachis_hypogaea	ARhyp19G0020250.1
ARhyp19G0020250.2	arachis_hypogaea	ARhyp19G0020250.2
ARhyp19G0024630.1	arachis_hypogaea	ARhyp19G0024630.1
ARhyp19G0024630.2	arachis_hypogaea	ARhyp19G0024630.2
ARhyp19G0029890.1	arachis_hypogaea	ARhyp19G0029890.1
ARhyp20G0005750.1	arachis_hypogaea	ARhyp20G0005750.1
ARhyp20G0005750.2	arachis_hypogaea	ARhyp20G0005750.2
ARhyp20G0005770.1	arachis_hypogaea	ARhyp20G0005770.1
ARhyp20G0005780.1	arachis_hypogaea	ARhyp20G0005780.1
ARhyp20G0005780.2	arachis_hypogaea	ARhyp20G0005780.2
ARhyp20G0005810.1	arachis_hypogaea	ARhyp20G0005810.1
ARhyp20G0009360.1	arachis_hypogaea	ARhyp20G0009360.1
ARhyp20G0009360.2	arachis_hypogaea	ARhyp20G0009360.2
ARhyp20G0013310.1	arachis_hypogaea	ARhyp20G0013310.1
ARhyp20G0013320.1	arachis_hypogaea	ARhyp20G0013320.1
ARhyp20G0013320.2	arachis_hypogaea	ARhyp20G0013320.2
ARhyp20G0013350.1	arachis_hypogaea	ARhyp20G0013350.1