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
artemisia_argyi_GWHPBRAE017062	artemisia_argyi	artemisia_argyi_GWHPBRAE017062
artemisia_argyi_GWHPBRAE017833	artemisia_argyi	artemisia_argyi_GWHPBRAE017833
artemisia_argyi_GWHPBRAE018051	artemisia_argyi	artemisia_argyi_GWHPBRAE018051
artemisia_argyi_GWHPBRAE018845	artemisia_argyi	artemisia_argyi_GWHPBRAE018845
artemisia_argyi_GWHPBRAE019236	artemisia_argyi	artemisia_argyi_GWHPBRAE019236
artemisia_argyi_GWHPBRAE019238	artemisia_argyi	artemisia_argyi_GWHPBRAE019238
artemisia_argyi_GWHPBRAE019447	artemisia_argyi	artemisia_argyi_GWHPBRAE019447
artemisia_argyi_GWHPBRAE020625	artemisia_argyi	artemisia_argyi_GWHPBRAE020625
artemisia_argyi_GWHPBRAE022472	artemisia_argyi	artemisia_argyi_GWHPBRAE022472
artemisia_argyi_GWHPBRAE023019	artemisia_argyi	artemisia_argyi_GWHPBRAE023019
artemisia_argyi_GWHPBRAE023537	artemisia_argyi	artemisia_argyi_GWHPBRAE023537
artemisia_argyi_GWHPBRAE023766	artemisia_argyi	artemisia_argyi_GWHPBRAE023766
artemisia_argyi_GWHPBRAE024636	artemisia_argyi	artemisia_argyi_GWHPBRAE024636
artemisia_argyi_GWHPBRAE025235	artemisia_argyi	artemisia_argyi_GWHPBRAE025235
artemisia_argyi_GWHPBRAE027784	artemisia_argyi	artemisia_argyi_GWHPBRAE027784
artemisia_argyi_GWHPBRAE028802	artemisia_argyi	artemisia_argyi_GWHPBRAE028802
artemisia_argyi_GWHPBRAE028804	artemisia_argyi	artemisia_argyi_GWHPBRAE028804
artemisia_argyi_GWHPBRAE029628	artemisia_argyi	artemisia_argyi_GWHPBRAE029628
artemisia_argyi_GWHPBRAE030438	artemisia_argyi	artemisia_argyi_GWHPBRAE030438
artemisia_argyi_GWHPBRAE030439	artemisia_argyi	artemisia_argyi_GWHPBRAE030439
artemisia_argyi_GWHPBRAE030667	artemisia_argyi	artemisia_argyi_GWHPBRAE030667
artemisia_argyi_GWHPBRAE030668	artemisia_argyi	artemisia_argyi_GWHPBRAE030668
artemisia_argyi_GWHPBRAE030670	artemisia_argyi	artemisia_argyi_GWHPBRAE030670
artemisia_argyi_GWHPBRAE030671	artemisia_argyi	artemisia_argyi_GWHPBRAE030671
artemisia_argyi_GWHPBRAE030673	artemisia_argyi	artemisia_argyi_GWHPBRAE030673
artemisia_argyi_GWHPBRAE031000	artemisia_argyi	artemisia_argyi_GWHPBRAE031000
artemisia_argyi_GWHPBRAE032188	artemisia_argyi	artemisia_argyi_GWHPBRAE032188
artemisia_argyi_GWHPBRAE032770	artemisia_argyi	artemisia_argyi_GWHPBRAE032770
artemisia_argyi_GWHPBRAE034425	artemisia_argyi	artemisia_argyi_GWHPBRAE034425
artemisia_argyi_GWHPBRAE034443	artemisia_argyi	artemisia_argyi_GWHPBRAE034443