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
asparagus_kiusianus_K1p1ch03g06110	asparagus_kiusianus	asparagus_kiusianus_K1p1ch03g06110
asparagus_kiusianus_K1p1ch04g20181	asparagus_kiusianus	asparagus_kiusianus_K1p1ch04g20181
asparagus_kiusianus_K1p1ch04g22547	asparagus_kiusianus	asparagus_kiusianus_K1p1ch04g22547
asparagus_kiusianus_K1p1ch04g22558	asparagus_kiusianus	asparagus_kiusianus_K1p1ch04g22558
asparagus_kiusianus_K1p1ch04g23773	asparagus_kiusianus	asparagus_kiusianus_K1p1ch04g23773
asparagus_kiusianus_K1p1ch04g24042	asparagus_kiusianus	asparagus_kiusianus_K1p1ch04g24042
asparagus_kiusianus_K1p1ch04g25411	asparagus_kiusianus	asparagus_kiusianus_K1p1ch04g25411
asparagus_kiusianus_K1p1ch04g25766	asparagus_kiusianus	asparagus_kiusianus_K1p1ch04g25766
asparagus_kiusianus_K1p1ch05g07509	asparagus_kiusianus	asparagus_kiusianus_K1p1ch05g07509
asparagus_kiusianus_K1p1ch05g12978	asparagus_kiusianus	asparagus_kiusianus_K1p1ch05g12978
asparagus_kiusianus_K1p1ch05g12980	asparagus_kiusianus	asparagus_kiusianus_K1p1ch05g12980
asparagus_kiusianus_K1p1ch06g35063	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35063
asparagus_kiusianus_K1p1ch06g35064	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35064
asparagus_kiusianus_K1p1ch06g35068	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35068
asparagus_kiusianus_K1p1ch06g35069	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35069
asparagus_kiusianus_K1p1ch06g35071	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35071
asparagus_kiusianus_K1p1ch06g35073	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35073
asparagus_kiusianus_K1p1ch06g35081	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35081
asparagus_kiusianus_K1p1ch06g35084	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35084
asparagus_kiusianus_K1p1ch06g35086	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35086
asparagus_kiusianus_K1p1ch06g35090	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35090
asparagus_kiusianus_K1p1ch06g35113	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g35113
asparagus_kiusianus_K1p1ch06g36332	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g36332
asparagus_kiusianus_K1p1ch06g36345	asparagus_kiusianus	asparagus_kiusianus_K1p1ch06g36345
asparagus_kiusianus_K1p1ch07g39251	asparagus_kiusianus	asparagus_kiusianus_K1p1ch07g39251
asparagus_kiusianus_K1p1ch08g13576	asparagus_kiusianus	asparagus_kiusianus_K1p1ch08g13576
asparagus_kiusianus_K1p1ch08g14781	asparagus_kiusianus	asparagus_kiusianus_K1p1ch08g14781
asparagus_kiusianus_K1p1ch08g15083	asparagus_kiusianus	asparagus_kiusianus_K1p1ch08g15083
asparagus_kiusianus_K1p1ch08g16794	asparagus_kiusianus	asparagus_kiusianus_K1p1ch08g16794
asparagus_kiusianus_K1p1ch08g17207	asparagus_kiusianus	asparagus_kiusianus_K1p1ch08g17207