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_GWHPBRAE044787	artemisia_argyi	artemisia_argyi_GWHPBRAE044787
artemisia_argyi_GWHPBRAE044837	artemisia_argyi	artemisia_argyi_GWHPBRAE044837
artemisia_argyi_GWHPBRAE045499	artemisia_argyi	artemisia_argyi_GWHPBRAE045499
artemisia_argyi_GWHPBRAE046788	artemisia_argyi	artemisia_argyi_GWHPBRAE046788
artemisia_argyi_GWHPBRAE047243	artemisia_argyi	artemisia_argyi_GWHPBRAE047243
artemisia_argyi_GWHPBRAE047709	artemisia_argyi	artemisia_argyi_GWHPBRAE047709
artemisia_argyi_GWHPBRAE047710	artemisia_argyi	artemisia_argyi_GWHPBRAE047710
artemisia_argyi_GWHPBRAE047711	artemisia_argyi	artemisia_argyi_GWHPBRAE047711
artemisia_argyi_GWHPBRAE047712	artemisia_argyi	artemisia_argyi_GWHPBRAE047712
artemisia_argyi_GWHPBRAE047906	artemisia_argyi	artemisia_argyi_GWHPBRAE047906
artemisia_argyi_GWHPBRAE047913	artemisia_argyi	artemisia_argyi_GWHPBRAE047913
artemisia_argyi_GWHPBRAE047914	artemisia_argyi	artemisia_argyi_GWHPBRAE047914
artemisia_argyi_GWHPBRAE047953	artemisia_argyi	artemisia_argyi_GWHPBRAE047953
artemisia_argyi_GWHPBRAE047954	artemisia_argyi	artemisia_argyi_GWHPBRAE047954
artemisia_argyi_GWHPBRAE047955	artemisia_argyi	artemisia_argyi_GWHPBRAE047955
artemisia_argyi_GWHPBRAE048194	artemisia_argyi	artemisia_argyi_GWHPBRAE048194
artemisia_argyi_GWHPBRAE048198	artemisia_argyi	artemisia_argyi_GWHPBRAE048198
artemisia_argyi_GWHPBRAE048308	artemisia_argyi	artemisia_argyi_GWHPBRAE048308
artemisia_argyi_GWHPBRAE048314	artemisia_argyi	artemisia_argyi_GWHPBRAE048314
artemisia_argyi_GWHPBRAE048468	artemisia_argyi	artemisia_argyi_GWHPBRAE048468
artemisia_argyi_GWHPBRAE049349	artemisia_argyi	artemisia_argyi_GWHPBRAE049349
artemisia_argyi_GWHPBRAE049490	artemisia_argyi	artemisia_argyi_GWHPBRAE049490
artemisia_argyi_GWHPBRAE050450	artemisia_argyi	artemisia_argyi_GWHPBRAE050450
artemisia_argyi_GWHPBRAE051392	artemisia_argyi	artemisia_argyi_GWHPBRAE051392
artemisia_argyi_GWHPBRAE053195	artemisia_argyi	artemisia_argyi_GWHPBRAE053195
artemisia_argyi_GWHPBRAE054138	artemisia_argyi	artemisia_argyi_GWHPBRAE054138
artemisia_argyi_GWHPBRAE054231	artemisia_argyi	artemisia_argyi_GWHPBRAE054231
artemisia_argyi_GWHPBRAE054994	artemisia_argyi	artemisia_argyi_GWHPBRAE054994
artemisia_argyi_GWHPBRAE057242	artemisia_argyi	artemisia_argyi_GWHPBRAE057242
artemisia_argyi_GWHPBRAE057918	artemisia_argyi	artemisia_argyi_GWHPBRAE057918