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_tridentata_ANN38709-RA	artemisia_tridentata	artemisia_tridentata_ANN38709-RA
artemisia_tridentata_ANN41029-RA	artemisia_tridentata	artemisia_tridentata_ANN41029-RA
artemisia_tridentata_ANN41566-RA	artemisia_tridentata	artemisia_tridentata_ANN41566-RA
artemisia_tridentata_ANN41567-RA	artemisia_tridentata	artemisia_tridentata_ANN41567-RA
artemisia_tridentata_ANN41572-RA	artemisia_tridentata	artemisia_tridentata_ANN41572-RA
artemisia_tridentata_ANN41626-RA	artemisia_tridentata	artemisia_tridentata_ANN41626-RA
artemisia_tridentata_ANN41628-RA	artemisia_tridentata	artemisia_tridentata_ANN41628-RA
artemisia_tridentata_ANN41993-RA	artemisia_tridentata	artemisia_tridentata_ANN41993-RA
artemisia_tridentata_ANN42031-RA	artemisia_tridentata	artemisia_tridentata_ANN42031-RA
artemisia_tridentata_ANN42456-RA	artemisia_tridentata	artemisia_tridentata_ANN42456-RA
artemisia_tridentata_ANN43002-RA	artemisia_tridentata	artemisia_tridentata_ANN43002-RA
Aaltiscaffold100980002300.1	artocarpus_altilis	Aaltiscaffold100980002300.1
Aaltiscaffold100980002310.1	artocarpus_altilis	Aaltiscaffold100980002310.1
Aaltiscaffold100980002320.1	artocarpus_altilis	Aaltiscaffold100980002320.1
Aaltiscaffold1140017790.1	artocarpus_altilis	Aaltiscaffold1140017790.1
Aaltiscaffold11570026750.1	artocarpus_altilis	Aaltiscaffold11570026750.1
Aaltiscaffold1320051040.1	artocarpus_altilis	Aaltiscaffold1320051040.1
Aaltiscaffold1320051050.1	artocarpus_altilis	Aaltiscaffold1320051050.1
Aaltiscaffold13880053900.1	artocarpus_altilis	Aaltiscaffold13880053900.1
Aaltiscaffold140055290.1	artocarpus_altilis	Aaltiscaffold140055290.1
Aaltiscaffold16940078300.1	artocarpus_altilis	Aaltiscaffold16940078300.1
Aaltiscaffold17580100520.1	artocarpus_altilis	Aaltiscaffold17580100520.1
Aaltiscaffold17790101210.1	artocarpus_altilis	Aaltiscaffold17790101210.1
Aaltiscaffold17790101250.1	artocarpus_altilis	Aaltiscaffold17790101250.1
Aaltiscaffold1800104770.1	artocarpus_altilis	Aaltiscaffold1800104770.1
Aaltiscaffold18580112950.1	artocarpus_altilis	Aaltiscaffold18580112950.1
Aaltiscaffold18790115930.1	artocarpus_altilis	Aaltiscaffold18790115930.1
Aaltiscaffold18790115990.1	artocarpus_altilis	Aaltiscaffold18790115990.1
Aaltiscaffold18790116000.1	artocarpus_altilis	Aaltiscaffold18790116000.1
Aaltiscaffold18790116020.1	artocarpus_altilis	Aaltiscaffold18790116020.1