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_GWHPBRAE034446	artemisia_argyi	artemisia_argyi_GWHPBRAE034446
artemisia_argyi_GWHPBRAE034769	artemisia_argyi	artemisia_argyi_GWHPBRAE034769
artemisia_argyi_GWHPBRAE035978	artemisia_argyi	artemisia_argyi_GWHPBRAE035978
artemisia_argyi_GWHPBRAE036109	artemisia_argyi	artemisia_argyi_GWHPBRAE036109
artemisia_argyi_GWHPBRAE037027	artemisia_argyi	artemisia_argyi_GWHPBRAE037027
artemisia_argyi_GWHPBRAE037545	artemisia_argyi	artemisia_argyi_GWHPBRAE037545
artemisia_argyi_GWHPBRAE037801	artemisia_argyi	artemisia_argyi_GWHPBRAE037801
artemisia_argyi_GWHPBRAE037845	artemisia_argyi	artemisia_argyi_GWHPBRAE037845
artemisia_argyi_GWHPBRAE037884	artemisia_argyi	artemisia_argyi_GWHPBRAE037884
artemisia_argyi_GWHPBRAE037885	artemisia_argyi	artemisia_argyi_GWHPBRAE037885
artemisia_argyi_GWHPBRAE037886	artemisia_argyi	artemisia_argyi_GWHPBRAE037886
artemisia_argyi_GWHPBRAE038183	artemisia_argyi	artemisia_argyi_GWHPBRAE038183
artemisia_argyi_GWHPBRAE038184	artemisia_argyi	artemisia_argyi_GWHPBRAE038184
artemisia_argyi_GWHPBRAE038365	artemisia_argyi	artemisia_argyi_GWHPBRAE038365
artemisia_argyi_GWHPBRAE038735	artemisia_argyi	artemisia_argyi_GWHPBRAE038735
artemisia_argyi_GWHPBRAE038843	artemisia_argyi	artemisia_argyi_GWHPBRAE038843
artemisia_argyi_GWHPBRAE038845	artemisia_argyi	artemisia_argyi_GWHPBRAE038845
artemisia_argyi_GWHPBRAE038908	artemisia_argyi	artemisia_argyi_GWHPBRAE038908
artemisia_argyi_GWHPBRAE039054	artemisia_argyi	artemisia_argyi_GWHPBRAE039054
artemisia_argyi_GWHPBRAE039055	artemisia_argyi	artemisia_argyi_GWHPBRAE039055
artemisia_argyi_GWHPBRAE039344	artemisia_argyi	artemisia_argyi_GWHPBRAE039344
artemisia_argyi_GWHPBRAE039708	artemisia_argyi	artemisia_argyi_GWHPBRAE039708
artemisia_argyi_GWHPBRAE041298	artemisia_argyi	artemisia_argyi_GWHPBRAE041298
artemisia_argyi_GWHPBRAE041967	artemisia_argyi	artemisia_argyi_GWHPBRAE041967
artemisia_argyi_GWHPBRAE042436	artemisia_argyi	artemisia_argyi_GWHPBRAE042436
artemisia_argyi_GWHPBRAE042934	artemisia_argyi	artemisia_argyi_GWHPBRAE042934
artemisia_argyi_GWHPBRAE043057	artemisia_argyi	artemisia_argyi_GWHPBRAE043057
artemisia_argyi_GWHPBRAE043132	artemisia_argyi	artemisia_argyi_GWHPBRAE043132
artemisia_argyi_GWHPBRAE044469	artemisia_argyi	artemisia_argyi_GWHPBRAE044469
artemisia_argyi_GWHPBRAE044474	artemisia_argyi	artemisia_argyi_GWHPBRAE044474