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
AVESA.00010b.r1.7AG1206260.1 avena_sativa AVESA.00010b.r1.7AG1206260.1
AVESA.00010b.r1.7AG1216000.1 avena_sativa AVESA.00010b.r1.7AG1216000.1
AVESA.00010b.r1.7AG1216010.1 avena_sativa AVESA.00010b.r1.7AG1216010.1
AVESA.00010b.r1.7AG1216020.1 avena_sativa AVESA.00010b.r1.7AG1216020.1
AVESA.00010b.r1.7AG1216050.1 avena_sativa AVESA.00010b.r1.7AG1216050.1
AVESA.00010b.r1.7AG1216100.1 avena_sativa AVESA.00010b.r1.7AG1216100.1
AVESA.00010b.r1.7AG1240610.1 avena_sativa AVESA.00010b.r1.7AG1240610.1
AVESA.00010b.r1.7AG1241160.1 avena_sativa AVESA.00010b.r1.7AG1241160.1
AVESA.00010b.r1.7AG1241200.1 avena_sativa AVESA.00010b.r1.7AG1241200.1
AVESA.00010b.r1.7AG1248670.1 avena_sativa AVESA.00010b.r1.7AG1248670.1
AVESA.00010b.r1.7CG0655130.1 avena_sativa AVESA.00010b.r1.7CG0655130.1
AVESA.00010b.r1.7CG0655190.1 avena_sativa AVESA.00010b.r1.7CG0655190.1
AVESA.00010b.r1.7CG0685040.1 avena_sativa AVESA.00010b.r1.7CG0685040.1
AVESA.00010b.r1.7DG1333600.1 avena_sativa AVESA.00010b.r1.7DG1333600.1
AVESA.00010b.r1.7DG1333780.1 avena_sativa AVESA.00010b.r1.7DG1333780.1
AVESA.00010b.r1.7DG1334470.1 avena_sativa AVESA.00010b.r1.7DG1334470.1
AVESA.00010b.r1.7DG1334660.1 avena_sativa AVESA.00010b.r1.7DG1334660.1
AVESA.00010b.r1.7DG1335040.1 avena_sativa AVESA.00010b.r1.7DG1335040.1
AVESA.00010b.r1.7DG1339180.1 avena_sativa AVESA.00010b.r1.7DG1339180.1
AVESA.00010b.r1.7DG1341890.1 avena_sativa AVESA.00010b.r1.7DG1341890.1
AVESA.00010b.r1.7DG1354630.1 avena_sativa AVESA.00010b.r1.7DG1354630.1
AVESA.00010b.r1.7DG1359020.1 avena_sativa AVESA.00010b.r1.7DG1359020.1
AVESA.00010b.r1.7DG1359030.2 avena_sativa AVESA.00010b.r1.7DG1359030.2
AVESA.00010b.r1.7DG1367610.1 avena_sativa AVESA.00010b.r1.7DG1367610.1
AVESA.00010b.r1.7DG1367650.1 avena_sativa AVESA.00010b.r1.7DG1367650.1
AVESA.00010b.r1.7DG1367680.1 avena_sativa AVESA.00010b.r1.7DG1367680.1
AVESA.00010b.r1.7DG1367690.1 avena_sativa AVESA.00010b.r1.7DG1367690.1
AVESA.00010b.r1.7DG1367700.1 avena_sativa AVESA.00010b.r1.7DG1367700.1
AVESA.00010b.r1.7DG1367720.1 avena_sativa AVESA.00010b.r1.7DG1367720.1
AVESA.00010b.r1.7DG1368200.1 avena_sativa AVESA.00010b.r1.7DG1368200.1