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
Agluscaffold19437_cov970112250	alnus_glutinosa	Agluscaffold19437_cov970112250
Agluscaffold196628_cov990113650	alnus_glutinosa	Agluscaffold196628_cov990113650
Agluscaffold20945_cov1060125660	alnus_glutinosa	Agluscaffold20945_cov1060125660
Agluscaffold2193_cov640133230	alnus_glutinosa	Agluscaffold2193_cov640133230
Agluscaffold2193_cov640133240	alnus_glutinosa	Agluscaffold2193_cov640133240
Agluscaffold22808_cov930140780	alnus_glutinosa	Agluscaffold22808_cov930140780
Agluscaffold2591_cov570158870	alnus_glutinosa	Agluscaffold2591_cov570158870
Agluscaffold2591_cov570158880	alnus_glutinosa	Agluscaffold2591_cov570158880
Agluscaffold2591_cov570158900	alnus_glutinosa	Agluscaffold2591_cov570158900
Agluscaffold28030_cov1010169600	alnus_glutinosa	Agluscaffold28030_cov1010169600
Agluscaffold28030_cov1010169610	alnus_glutinosa	Agluscaffold28030_cov1010169610
Agluscaffold28030_cov1010169620	alnus_glutinosa	Agluscaffold28030_cov1010169620
Agluscaffold28143_cov650170250	alnus_glutinosa	Agluscaffold28143_cov650170250
Agluscaffold2886_cov960175530	alnus_glutinosa	Agluscaffold2886_cov960175530
Agluscaffold2985_cov1000179690	alnus_glutinosa	Agluscaffold2985_cov1000179690
Agluscaffold2985_cov1000179720	alnus_glutinosa	Agluscaffold2985_cov1000179720
Agluscaffold31242_cov990187470	alnus_glutinosa	Agluscaffold31242_cov990187470
Agluscaffold329_cov1010197780	alnus_glutinosa	Agluscaffold329_cov1010197780
Agluscaffold34115_cov900203820	alnus_glutinosa	Agluscaffold34115_cov900203820
Agluscaffold3969_cov670229170	alnus_glutinosa	Agluscaffold3969_cov670229170
Agluscaffold4172_cov930240430	alnus_glutinosa	Agluscaffold4172_cov930240430
Agluscaffold4172_cov930240440	alnus_glutinosa	Agluscaffold4172_cov930240440
Agluscaffold424407_cov1120244540	alnus_glutinosa	Agluscaffold424407_cov1120244540
Agluscaffold424545_cov1020251400	alnus_glutinosa	Agluscaffold424545_cov1020251400
Agluscaffold424775_cov620261520	alnus_glutinosa	Agluscaffold424775_cov620261520
Agluscaffold424775_cov620261530	alnus_glutinosa	Agluscaffold424775_cov620261530
Agluscaffold425460_cov1020269200	alnus_glutinosa	Agluscaffold425460_cov1020269200
Agluscaffold425554_cov670271050	alnus_glutinosa	Agluscaffold425554_cov670271050
Agluscaffold425649_cov990274040	alnus_glutinosa	Agluscaffold425649_cov990274040
Agluscaffold425760_cov950274830	alnus_glutinosa	Agluscaffold425760_cov950274830