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
Aset05G0009310.1	asparagus_setaceus	Aset05G0009310.1
Aset05G0034020.1	asparagus_setaceus	Aset05G0034020.1
Aset06G0002630.1	asparagus_setaceus	Aset06G0002630.1
Aset06G0009420.1	asparagus_setaceus	Aset06G0009420.1
Aset06G0027450.1	asparagus_setaceus	Aset06G0027450.1
Aset06G0029840.1	asparagus_setaceus	Aset06G0029840.1
Aset06G0033600.1	asparagus_setaceus	Aset06G0033600.1
Aset07G0011390.1	asparagus_setaceus	Aset07G0011390.1
Aset07G0011410.1	asparagus_setaceus	Aset07G0011410.1
Aset07G0011420.1	asparagus_setaceus	Aset07G0011420.1
Aset07G0011430.1	asparagus_setaceus	Aset07G0011430.1
Aset07G0012310.1	asparagus_setaceus	Aset07G0012310.1
Aset07G0012320.1	asparagus_setaceus	Aset07G0012320.1
Aset07G0012340.1	asparagus_setaceus	Aset07G0012340.1
Aset08G0000280.1	asparagus_setaceus	Aset08G0000280.1
Aset08G0000330.1	asparagus_setaceus	Aset08G0000330.1
Aset08G0000400.1	asparagus_setaceus	Aset08G0000400.1
Aset09G0009480.1	asparagus_setaceus	Aset09G0009480.1
Aset09G0009490.1	asparagus_setaceus	Aset09G0009490.1
Aset09G0009550.1	asparagus_setaceus	Aset09G0009550.1
Abu1g_019070.1	atalantia_buxifolia	Abu1g_019070.1
Abu1g_019090.1	atalantia_buxifolia	Abu1g_019090.1
Abu1g_019110.1	atalantia_buxifolia	Abu1g_019110.1
Abu1g_019120.1	atalantia_buxifolia	Abu1g_019120.1
Abu1g_019170.1	atalantia_buxifolia	Abu1g_019170.1
Abu1g_019180.1	atalantia_buxifolia	Abu1g_019180.1
Abu1g_019200.1	atalantia_buxifolia	Abu1g_019200.1
Abu1g_019210.1	atalantia_buxifolia	Abu1g_019210.1
Abu1g_019320.1	atalantia_buxifolia	Abu1g_019320.1
Abu1g_019330.1	atalantia_buxifolia	Abu1g_019330.1