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
avicennia_marina_AM_18651 avicennia_marina avicennia_marina_AM_18651
avicennia_marina_AM_18742 avicennia_marina avicennia_marina_AM_18742
avicennia_marina_AM_19678 avicennia_marina avicennia_marina_AM_19678
avicennia_marina_AM_19679 avicennia_marina avicennia_marina_AM_19679
avicennia_marina_AM_19693 avicennia_marina avicennia_marina_AM_19693
avicennia_marina_AM_20241 avicennia_marina avicennia_marina_AM_20241
avicennia_marina_AM_21032 avicennia_marina avicennia_marina_AM_21032
avicennia_marina_AM_21033 avicennia_marina avicennia_marina_AM_21033
avicennia_marina_AM_23709 avicennia_marina avicennia_marina_AM_23709
avicennia_marina_AM_25058 avicennia_marina avicennia_marina_AM_25058
avicennia_marina_AM_25157 avicennia_marina avicennia_marina_AM_25157
avicennia_marina_AM_25926 avicennia_marina avicennia_marina_AM_25926
avicennia_marina_AM_26270 avicennia_marina avicennia_marina_AM_26270
avicennia_marina_AM_26647 avicennia_marina avicennia_marina_AM_26647
avicennia_marina_AM_27066 avicennia_marina avicennia_marina_AM_27066
avicennia_marina_AM_28546 avicennia_marina avicennia_marina_AM_28546
avicennia_marina_AM_28810 avicennia_marina avicennia_marina_AM_28810
avicennia_marina_AM_29170 avicennia_marina avicennia_marina_AM_29170
avicennia_marina_AM_29347 avicennia_marina avicennia_marina_AM_29347
avicennia_marina_AM_29348 avicennia_marina avicennia_marina_AM_29348
avicennia_marina_AM_29350 avicennia_marina avicennia_marina_AM_29350
avicennia_marina_AM_29351 avicennia_marina avicennia_marina_AM_29351
avicennia_marina_AM_29532 avicennia_marina avicennia_marina_AM_29532
avicennia_marina_AM_30541 avicennia_marina avicennia_marina_AM_30541
avicennia_marina_AM_30978 avicennia_marina avicennia_marina_AM_30978
avicennia_marina_AM_32492 avicennia_marina avicennia_marina_AM_32492
AfilAzfi_s00070025730 azolla_filiculoides AfilAzfi_s00070025730
AfilAzfi_s00340059990 azolla_filiculoides AfilAzfi_s00340059990
AfilAzfi_s00920101130 azolla_filiculoides AfilAzfi_s00920101130
AfilAzfi_s01210116940 azolla_filiculoides AfilAzfi_s01210116940