PlantSME Plant secondary metabolism enzyme database
CAS

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.
Algae
Bryophytes
Lycophytes/Ferns
Gymnosperms
Basal angiosperms
Monocots
Eudicots
Species Distribution
Hordeum vulgare
Triticum turgidum
Aegilops tauschii
Pinus taeda
Related Modules
Steroid pathway
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
GeneSpeciesProtein ID
Aturscaffold_80311800 aulacomnium_turgidum Aturscaffold_80311800
Aturscaffold_80311840 aulacomnium_turgidum Aturscaffold_80311840
Aturscaffold_90327650 aulacomnium_turgidum Aturscaffold_90327650
Aturscaffold_90330980 aulacomnium_turgidum Aturscaffold_90330980
Aprocontig_KL6620940009720.1 auxenochlorella_protothecoides Aprocontig_KL6620940009720.1
Aprocontig_KL6621070018870.1 auxenochlorella_protothecoides Aprocontig_KL6621070018870.1
Aprocontig_KL6621070019100.1 auxenochlorella_protothecoides Aprocontig_KL6621070019100.1
Aprocontig_KL6621190029400.1 auxenochlorella_protothecoides Aprocontig_KL6621190029400.1
Aprocontig_KL6621890067080.1 auxenochlorella_protothecoides Aprocontig_KL6621890067080.1
Aprocontig_KL6621890067100.1 auxenochlorella_protothecoides Aprocontig_KL6621890067100.1
AatlScoFOjO_1310_17880002530.1 avena_atlantica AatlScoFOjO_1310_17880002530.1
AatlScoFOjO_1310_17880002560.1 avena_atlantica AatlScoFOjO_1310_17880002560.1
AatlScoFOjO_1310_17880002690.1 avena_atlantica AatlScoFOjO_1310_17880002690.1
AatlScoFOjO_1310_17880002960.1 avena_atlantica AatlScoFOjO_1310_17880002960.1
AatlScoFOjO_1310_17880003010.1 avena_atlantica AatlScoFOjO_1310_17880003010.1
AatlScoFOjO_1310_17880003270.1 avena_atlantica AatlScoFOjO_1310_17880003270.1
AatlScoFOjO_1310_17880003280.1 avena_atlantica AatlScoFOjO_1310_17880003280.1
AatlScoFOjO_1310_17880007480.1 avena_atlantica AatlScoFOjO_1310_17880007480.1
AatlScoFOjO_1310_17880009910.1 avena_atlantica AatlScoFOjO_1310_17880009910.1
AatlScoFOjO_1310_17880009920.1 avena_atlantica AatlScoFOjO_1310_17880009920.1
AatlScoFOjO_1310_17880010730.1 avena_atlantica AatlScoFOjO_1310_17880010730.1
AatlScoFOjO_1310_17880010750.1 avena_atlantica AatlScoFOjO_1310_17880010750.1
AatlScoFOjO_1310_17880011240.1 avena_atlantica AatlScoFOjO_1310_17880011240.1
AatlScoFOjO_1310_17880028990.1 avena_atlantica AatlScoFOjO_1310_17880028990.1
AatlScoFOjO_1310_17880029000.1 avena_atlantica AatlScoFOjO_1310_17880029000.1
AatlScoFOjO_1310_17880049590.1 avena_atlantica AatlScoFOjO_1310_17880049590.1
AatlScoFOjO_1702_23380063580.1 avena_atlantica AatlScoFOjO_1702_23380063580.1
AatlScoFOjO_1702_23380064080.1 avena_atlantica AatlScoFOjO_1702_23380064080.1
AatlScoFOjO_1702_23380074650.1 avena_atlantica AatlScoFOjO_1702_23380074650.1
AatlScoFOjO_1702_23380076970.1 avena_atlantica AatlScoFOjO_1702_23380076970.1