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
alstonia_scholaris_tjs13208	alstonia_scholaris	alstonia_scholaris_tjs13208
alstonia_scholaris_tjs15462	alstonia_scholaris	alstonia_scholaris_tjs15462
alstonia_scholaris_tjs16137	alstonia_scholaris	alstonia_scholaris_tjs16137
alstonia_scholaris_tjs16280	alstonia_scholaris	alstonia_scholaris_tjs16280
alstonia_scholaris_tjs17462	alstonia_scholaris	alstonia_scholaris_tjs17462
alstonia_scholaris_tjs17470	alstonia_scholaris	alstonia_scholaris_tjs17470
alstonia_scholaris_tjs17471	alstonia_scholaris	alstonia_scholaris_tjs17471
alstonia_scholaris_tjs17472	alstonia_scholaris	alstonia_scholaris_tjs17472
alstonia_scholaris_tjs18430	alstonia_scholaris	alstonia_scholaris_tjs18430
alstonia_scholaris_tjs18434	alstonia_scholaris	alstonia_scholaris_tjs18434
alstonia_scholaris_tjs19468	alstonia_scholaris	alstonia_scholaris_tjs19468
alstonia_scholaris_tjs21701.1	alstonia_scholaris	alstonia_scholaris_tjs21701.1
alstonia_scholaris_tjs22076	alstonia_scholaris	alstonia_scholaris_tjs22076
alstonia_scholaris_tjs22805	alstonia_scholaris	alstonia_scholaris_tjs22805
alstonia_scholaris_tjs22810	alstonia_scholaris	alstonia_scholaris_tjs22810
alstonia_scholaris_tjs22811	alstonia_scholaris	alstonia_scholaris_tjs22811
alstonia_scholaris_tjs23755	alstonia_scholaris	alstonia_scholaris_tjs23755
alstonia_scholaris_tjs23880	alstonia_scholaris	alstonia_scholaris_tjs23880
alstonia_scholaris_tjs25394	alstonia_scholaris	alstonia_scholaris_tjs25394
alstonia_scholaris_tjs25395	alstonia_scholaris	alstonia_scholaris_tjs25395
alstonia_scholaris_tjs26764	alstonia_scholaris	alstonia_scholaris_tjs26764
alstonia_scholaris_tjs27259	alstonia_scholaris	alstonia_scholaris_tjs27259
alstonia_scholaris_tjs28653	alstonia_scholaris	alstonia_scholaris_tjs28653
alstonia_scholaris_tjs29579	alstonia_scholaris	alstonia_scholaris_tjs29579
alstonia_scholaris_tjs29724	alstonia_scholaris	alstonia_scholaris_tjs29724
alstonia_scholaris_tjs29924	alstonia_scholaris	alstonia_scholaris_tjs29924
alstonia_scholaris_tjs32909	alstonia_scholaris	alstonia_scholaris_tjs32909
alstonia_scholaris_tjs32917	alstonia_scholaris	alstonia_scholaris_tjs32917
alstonia_scholaris_tjs35649	alstonia_scholaris	alstonia_scholaris_tjs35649
alstonia_scholaris_tjs36281	alstonia_scholaris	alstonia_scholaris_tjs36281