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_GWHPBRAE007782	artemisia_argyi	artemisia_argyi_GWHPBRAE007782
artemisia_argyi_GWHPBRAE007828	artemisia_argyi	artemisia_argyi_GWHPBRAE007828
artemisia_argyi_GWHPBRAE007963	artemisia_argyi	artemisia_argyi_GWHPBRAE007963
artemisia_argyi_GWHPBRAE008481	artemisia_argyi	artemisia_argyi_GWHPBRAE008481
artemisia_argyi_GWHPBRAE008773	artemisia_argyi	artemisia_argyi_GWHPBRAE008773
artemisia_argyi_GWHPBRAE008774	artemisia_argyi	artemisia_argyi_GWHPBRAE008774
artemisia_argyi_GWHPBRAE008897	artemisia_argyi	artemisia_argyi_GWHPBRAE008897
artemisia_argyi_GWHPBRAE010838	artemisia_argyi	artemisia_argyi_GWHPBRAE010838
artemisia_argyi_GWHPBRAE010839	artemisia_argyi	artemisia_argyi_GWHPBRAE010839
artemisia_argyi_GWHPBRAE010840	artemisia_argyi	artemisia_argyi_GWHPBRAE010840
artemisia_argyi_GWHPBRAE012029	artemisia_argyi	artemisia_argyi_GWHPBRAE012029
artemisia_argyi_GWHPBRAE012399	artemisia_argyi	artemisia_argyi_GWHPBRAE012399
artemisia_argyi_GWHPBRAE012467	artemisia_argyi	artemisia_argyi_GWHPBRAE012467
artemisia_argyi_GWHPBRAE013363	artemisia_argyi	artemisia_argyi_GWHPBRAE013363
artemisia_argyi_GWHPBRAE013364	artemisia_argyi	artemisia_argyi_GWHPBRAE013364
artemisia_argyi_GWHPBRAE013370	artemisia_argyi	artemisia_argyi_GWHPBRAE013370
artemisia_argyi_GWHPBRAE013371	artemisia_argyi	artemisia_argyi_GWHPBRAE013371
artemisia_argyi_GWHPBRAE013600	artemisia_argyi	artemisia_argyi_GWHPBRAE013600
artemisia_argyi_GWHPBRAE014733	artemisia_argyi	artemisia_argyi_GWHPBRAE014733
artemisia_argyi_GWHPBRAE015580	artemisia_argyi	artemisia_argyi_GWHPBRAE015580
artemisia_argyi_GWHPBRAE015916	artemisia_argyi	artemisia_argyi_GWHPBRAE015916
artemisia_argyi_GWHPBRAE016175	artemisia_argyi	artemisia_argyi_GWHPBRAE016175
artemisia_argyi_GWHPBRAE016242	artemisia_argyi	artemisia_argyi_GWHPBRAE016242
artemisia_argyi_GWHPBRAE016625	artemisia_argyi	artemisia_argyi_GWHPBRAE016625
artemisia_argyi_GWHPBRAE016757	artemisia_argyi	artemisia_argyi_GWHPBRAE016757
artemisia_argyi_GWHPBRAE016758	artemisia_argyi	artemisia_argyi_GWHPBRAE016758
artemisia_argyi_GWHPBRAE016759	artemisia_argyi	artemisia_argyi_GWHPBRAE016759
artemisia_argyi_GWHPBRAE016943	artemisia_argyi	artemisia_argyi_GWHPBRAE016943
artemisia_argyi_GWHPBRAE016989	artemisia_argyi	artemisia_argyi_GWHPBRAE016989
artemisia_argyi_GWHPBRAE016991	artemisia_argyi	artemisia_argyi_GWHPBRAE016991