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
AVeriSctCcfP_2055_39360181680.1 avena_eriantha AVeriSctCcfP_2055_39360181680.1
AVeriSctCcfP_2331_44820206500.1 avena_eriantha AVeriSctCcfP_2331_44820206500.1
AVeriSctCcfP_2331_44820211890.1 avena_eriantha AVeriSctCcfP_2331_44820211890.1
AVeriSctCcfP_2331_44820212200.1 avena_eriantha AVeriSctCcfP_2331_44820212200.1
AVeriSctCcfP_2331_44820214970.1 avena_eriantha AVeriSctCcfP_2331_44820214970.1
AVeriSctCcfP_2331_44820214980.1 avena_eriantha AVeriSctCcfP_2331_44820214980.1
AVeriSctCcfP_2331_44820215020.1 avena_eriantha AVeriSctCcfP_2331_44820215020.1
AVeriSctCcfP_2331_44820215030.1 avena_eriantha AVeriSctCcfP_2331_44820215030.1
AVeriSctCcfP_2331_44820215280.1 avena_eriantha AVeriSctCcfP_2331_44820215280.1
AVeriSctCcfP_2331_44820219100.1 avena_eriantha AVeriSctCcfP_2331_44820219100.1
AVeriSctCcfP_2331_44820243530.1 avena_eriantha AVeriSctCcfP_2331_44820243530.1
AVeriSctCcfP_2331_44820254510.1 avena_eriantha AVeriSctCcfP_2331_44820254510.1
AVeriSctCcfP_2331_44820264760.1 avena_eriantha AVeriSctCcfP_2331_44820264760.1
AVeriSctCcfP_2331_44820265540.1 avena_eriantha AVeriSctCcfP_2331_44820265540.1
AVeriSctCcfP_2331_44820265550.1 avena_eriantha AVeriSctCcfP_2331_44820265550.1
AVeriSctCcfP_430_8890292370.1 avena_eriantha AVeriSctCcfP_430_8890292370.1
AVeriSctCcfP_430_8890313970.1 avena_eriantha AVeriSctCcfP_430_8890313970.1
AVeriSctCcfP_430_8890324040.1 avena_eriantha AVeriSctCcfP_430_8890324040.1
AVeriSctCcfP_4_40336400.1 avena_eriantha AVeriSctCcfP_4_40336400.1
AVeriSctCcfP_4_40339280.1 avena_eriantha AVeriSctCcfP_4_40339280.1
AVeriSctCcfP_4_40356940.1 avena_eriantha AVeriSctCcfP_4_40356940.1
AVeriSctCcfP_4_40379550.1 avena_eriantha AVeriSctCcfP_4_40379550.1
AVeriSctCcfP_4_40392990.1 avena_eriantha AVeriSctCcfP_4_40392990.1
AVeriSctCcfP_670_13520398120.1 avena_eriantha AVeriSctCcfP_670_13520398120.1
AVeriSctCcfP_670_13520399370.1 avena_eriantha AVeriSctCcfP_670_13520399370.1
AVeriSctCcfP_670_13520399820.1 avena_eriantha AVeriSctCcfP_670_13520399820.1
AVeriSctCcfP_670_13520399860.1 avena_eriantha AVeriSctCcfP_670_13520399860.1
AVeriSctCcfP_670_13520400300.1 avena_eriantha AVeriSctCcfP_670_13520400300.1
AVeriSctCcfP_670_13520400380.1 avena_eriantha AVeriSctCcfP_670_13520400380.1
AVeriSctCcfP_670_13520400400.1 avena_eriantha AVeriSctCcfP_670_13520400400.1