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
AagrOXFutg000001l0001010.2 anthoceros_agrestis_oxford AagrOXFutg000001l0001010.2
AagrOXFutg000001l0001180.1 anthoceros_agrestis_oxford AagrOXFutg000001l0001180.1
AagrOXFutg000002l0005610.1 anthoceros_agrestis_oxford AagrOXFutg000002l0005610.1
AagrOXFutg000002l0005610.2 anthoceros_agrestis_oxford AagrOXFutg000002l0005610.2
AagrOXFutg000003l0017380.1 anthoceros_agrestis_oxford AagrOXFutg000003l0017380.1
AagrOXFutg000003l0017410.1 anthoceros_agrestis_oxford AagrOXFutg000003l0017410.1
AagrOXFutg000006l0035600.1 anthoceros_agrestis_oxford AagrOXFutg000006l0035600.1
AagrOXFutg000006l0035620.1 anthoceros_agrestis_oxford AagrOXFutg000006l0035620.1
AagrOXFutg000017l0068160.1 anthoceros_agrestis_oxford AagrOXFutg000017l0068160.1
AagrOXFutg000017l0068160.2 anthoceros_agrestis_oxford AagrOXFutg000017l0068160.2
AagrOXFutg000017l0068160.3 anthoceros_agrestis_oxford AagrOXFutg000017l0068160.3
AagrOXFutg000017l0068160.4 anthoceros_agrestis_oxford AagrOXFutg000017l0068160.4
AagrOXFutg000017l0068160.5 anthoceros_agrestis_oxford AagrOXFutg000017l0068160.5
AagrOXFutg000017l0068190.1 anthoceros_agrestis_oxford AagrOXFutg000017l0068190.1
AagrOXFutg000038l0104160.1 anthoceros_agrestis_oxford AagrOXFutg000038l0104160.1
AagrOXFutg000041l0106530.1 anthoceros_agrestis_oxford AagrOXFutg000041l0106530.1
AagrOXFutg000041l0108090.1 anthoceros_agrestis_oxford AagrOXFutg000041l0108090.1
AagrOXFutg000044l0116320.1 anthoceros_agrestis_oxford AagrOXFutg000044l0116320.1
AagrOXFutg000045l0118840.1 anthoceros_agrestis_oxford AagrOXFutg000045l0118840.1
AagrOXFutg000045l0119510.1 anthoceros_agrestis_oxford AagrOXFutg000045l0119510.1
AagrOXFutg000045l0119570.1 anthoceros_agrestis_oxford AagrOXFutg000045l0119570.1
AagrOXFutg000049l0124540.1 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.1
AagrOXFutg000049l0124540.10 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.10
AagrOXFutg000049l0124540.2 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.2
AagrOXFutg000049l0124540.3 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.3
AagrOXFutg000049l0124540.4 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.4
AagrOXFutg000049l0124540.5 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.5
AagrOXFutg000049l0124540.6 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.6
AagrOXFutg000049l0124540.7 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.7
AagrOXFutg000049l0124540.8 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.8