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
AfilAzfi_s04200168870 azolla_filiculoides AfilAzfi_s04200168870
AfilAzfi_s05700177390 azolla_filiculoides AfilAzfi_s05700177390
balanophora_fungosa_var._globosa_BALA00536 balanophora_fungosa_var_globosa balanophora_fungosa_var._globosa_BALA00536
balanophora_fungosa_var._globosa_BALA00834 balanophora_fungosa_var_globosa balanophora_fungosa_var._globosa_BALA00834
balanophora_fungosa_var._globosa_BALA03005 balanophora_fungosa_var_globosa balanophora_fungosa_var._globosa_BALA03005
balanophora_fungosa_var._globosa_BALA03814 balanophora_fungosa_var_globosa balanophora_fungosa_var._globosa_BALA03814
balanophora_fungosa_var._globosa_BALA04377 balanophora_fungosa_var_globosa balanophora_fungosa_var._globosa_BALA04377
balanophora_fungosa_var._globosa_BALA08088 balanophora_fungosa_var_globosa balanophora_fungosa_var._globosa_BALA08088
balanophora_fungosa_var._globosa_BALA08091 balanophora_fungosa_var_globosa balanophora_fungosa_var._globosa_BALA08091
balanophora_fungosa_var._globosa_BALA09015 balanophora_fungosa_var_globosa balanophora_fungosa_var._globosa_BALA09015
balanophora_fungosa_var._globosa_BALA10897 balanophora_fungosa_var_globosa balanophora_fungosa_var._globosa_BALA10897
balanophora_fungosa_var._globosa_BALA_010866 balanophora_fungosa_var_globosa balanophora_fungosa_var._globosa_BALA_010866
balanophora_subcupularis_BAL00199 balanophora_subcupularis balanophora_subcupularis_BAL00199
balanophora_subcupularis_BAL06856 balanophora_subcupularis balanophora_subcupularis_BAL06856
balanophora_subcupularis_BAL06857 balanophora_subcupularis balanophora_subcupularis_BAL06857
balanophora_subcupularis_BAL07278 balanophora_subcupularis balanophora_subcupularis_BAL07278
balanophora_subcupularis_BAL07927 balanophora_subcupularis balanophora_subcupularis_BAL07927
balanophora_subcupularis_BAL09125 balanophora_subcupularis balanophora_subcupularis_BAL09125
balanophora_subcupularis_BAL10338 balanophora_subcupularis balanophora_subcupularis_BAL10338
balanophora_subcupularis_BAL11581 balanophora_subcupularis balanophora_subcupularis_BAL11581
balanophora_subcupularis_BAL12468 balanophora_subcupularis balanophora_subcupularis_BAL12468
balanophora_subcupularis_BAL14582 balanophora_subcupularis balanophora_subcupularis_BAL14582
balanophora_subcupularis_BAL_009721 balanophora_subcupularis balanophora_subcupularis_BAL_009721
BAvulContig14350039010.1 barbarea_vulgaris BAvulContig14350039010.1
BAvulContig1440039750.1 barbarea_vulgaris BAvulContig1440039750.1
BAvulContig14620041330.1 barbarea_vulgaris BAvulContig14620041330.1
BAvulContig14850042530.1 barbarea_vulgaris BAvulContig14850042530.1
BAvulContig1570049250.1 barbarea_vulgaris BAvulContig1570049250.1
BAvulContig15970051590.1 barbarea_vulgaris BAvulContig15970051590.1
BAvulContig18340065470.1 barbarea_vulgaris BAvulContig18340065470.1