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
AagrOXFutg000098l0203780.4	anthoceros_agrestis_oxford	AagrOXFutg000098l0203780.4
AagrOXFutg000098l0203780.5	anthoceros_agrestis_oxford	AagrOXFutg000098l0203780.5
AagrOXFutg000102l0210460.1	anthoceros_agrestis_oxford	AagrOXFutg000102l0210460.1
AagrOXFutg000102l0210500.1	anthoceros_agrestis_oxford	AagrOXFutg000102l0210500.1
AagrOXFutg000104l0212610.1	anthoceros_agrestis_oxford	AagrOXFutg000104l0212610.1
AagrOXFutg000113l0221980.1	anthoceros_agrestis_oxford	AagrOXFutg000113l0221980.1
AagrOXFutg000113l0222080.1	anthoceros_agrestis_oxford	AagrOXFutg000113l0222080.1
AagrOXFutg000113l0222090.1	anthoceros_agrestis_oxford	AagrOXFutg000113l0222090.1
AagrOXFutg000116l0224570.1	anthoceros_agrestis_oxford	AagrOXFutg000116l0224570.1
AagrOXFutg000126l0236960.1	anthoceros_agrestis_oxford	AagrOXFutg000126l0236960.1
AagrOXFutg000126l0236990.1	anthoceros_agrestis_oxford	AagrOXFutg000126l0236990.1
AagrOXFutg000126l0236990.2	anthoceros_agrestis_oxford	AagrOXFutg000126l0236990.2
AagrOXFutg000126l0236990.3	anthoceros_agrestis_oxford	AagrOXFutg000126l0236990.3
AagrOXFutg000126l0237070.1	anthoceros_agrestis_oxford	AagrOXFutg000126l0237070.1
AagrOXFutg000144l0244930.1	anthoceros_agrestis_oxford	AagrOXFutg000144l0244930.1
AANG000967	anthoceros_angustus	AANG000967
AANG004678	anthoceros_angustus	AANG004678
AANG005698	anthoceros_angustus	AANG005698
AANG005849	anthoceros_angustus	AANG005849
AANG006691	anthoceros_angustus	AANG006691
AANG006870	anthoceros_angustus	AANG006870
AANG006889	anthoceros_angustus	AANG006889
AANG007662	anthoceros_angustus	AANG007662
AANG007664	anthoceros_angustus	AANG007664
AANG011169	anthoceros_angustus	AANG011169
AANG011832	anthoceros_angustus	AANG011832
AANG013172	anthoceros_angustus	AANG013172
AANG013370	anthoceros_angustus	AANG013370
AANG013738	anthoceros_angustus	AANG013738
AANG013925	anthoceros_angustus	AANG013925