PlantSME Plant secondary metabolism enzyme database
SQE

SQE

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 SQE.

Lineage Coverage
Detected in 773 of 789 public species; click a lineage to inspect its species list.
Algae
Bryophytes
Lycophytes/Ferns
Gymnosperms
Basal angiosperms
Monocots
Eudicots
Species Distribution
Fragaria ananassa
Fragaria chiloensis
Rosa multiflora
Gossypium raimondii
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 4569 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
syzygium_aromaticum_saro012430-1.1 syzygium_aromaticum syzygium_aromaticum_saro012430-1.1
syzygium_aromaticum_saro013299-1.1 syzygium_aromaticum syzygium_aromaticum_saro013299-1.1
syzygium_aromaticum_saro020798-1.1 syzygium_aromaticum syzygium_aromaticum_saro020798-1.1
syzygium_aromaticum_saro021035-1.1 syzygium_aromaticum syzygium_aromaticum_saro021035-1.1
syzygium_aromaticum_saro021038-1.1 syzygium_aromaticum syzygium_aromaticum_saro021038-1.1
syzygium_aromaticum_saro021039-1.1 syzygium_aromaticum syzygium_aromaticum_saro021039-1.1
syzygium_aromaticum_saro021040-1.1 syzygium_aromaticum syzygium_aromaticum_saro021040-1.1
syzygium_aromaticum_saro022057-1.1 syzygium_aromaticum syzygium_aromaticum_saro022057-1.1
syzygium_aromaticum_saro022409-1.1 syzygium_aromaticum syzygium_aromaticum_saro022409-1.1
syzygium_aromaticum_saro024850-1.1 syzygium_aromaticum syzygium_aromaticum_saro024850-1.1
syzygium_grande_EVM%20prediction%20Scaffold_11__1_contigs__length_28611674.3196.mRNA1 syzygium_grande syzygium_grande_EVM%20prediction%20Scaffold_11__1_contigs__length_28611674.3196.mRNA1
syzygium_grande_EVM%20prediction%20Scaffold_11__1_contigs__length_28611674.3200.mRNA1 syzygium_grande syzygium_grande_EVM%20prediction%20Scaffold_11__1_contigs__length_28611674.3200.mRNA1
syzygium_grande_EVM%20prediction%20Scaffold_3__1_contigs__length_23649235.2296.mRNA1 syzygium_grande syzygium_grande_EVM%20prediction%20Scaffold_3__1_contigs__length_23649235.2296.mRNA1
syzygium_grande_EVM%20prediction%20Scaffold_3__1_contigs__length_23649235.508.mRNA1 syzygium_grande syzygium_grande_EVM%20prediction%20Scaffold_3__1_contigs__length_23649235.508.mRNA1
syzygium_grande_EVM%20prediction%20Scaffold_3__1_contigs__length_23649235.511.mRNA1 syzygium_grande syzygium_grande_EVM%20prediction%20Scaffold_3__1_contigs__length_23649235.511.mRNA1
syzygium_grande_EVM%20prediction%20Scaffold_6__1_contigs__length_43109846.2126.mRNA1 syzygium_grande syzygium_grande_EVM%20prediction%20Scaffold_6__1_contigs__length_43109846.2126.mRNA1
syzygium_grande_EVM%20prediction%20Scaffold_6__1_contigs__length_43109846.959.mRNA1 syzygium_grande syzygium_grande_EVM%20prediction%20Scaffold_6__1_contigs__length_43109846.959.mRNA1
tagetes_erecta_GWHPDOCX006494 tagetes_erecta tagetes_erecta_GWHPDOCX006494
tagetes_erecta_GWHPDOCX009201 tagetes_erecta tagetes_erecta_GWHPDOCX009201
tagetes_erecta_GWHPDOCX019091 tagetes_erecta tagetes_erecta_GWHPDOCX019091
tagetes_erecta_GWHPDOCX026711 tagetes_erecta tagetes_erecta_GWHPDOCX026711
tagetes_erecta_GWHPDOCX030329 tagetes_erecta tagetes_erecta_GWHPDOCX030329
tagetes_erecta_GWHPDOCX032247 tagetes_erecta tagetes_erecta_GWHPDOCX032247
tagetes_erecta_GWHPDOCX036873 tagetes_erecta tagetes_erecta_GWHPDOCX036873
TlepHiC_scaffold_50192530 takakia_lepidozioides TlepHiC_scaffold_50192530
tamarix_chinensis_TC04G1977T1 tamarix_chinensis tamarix_chinensis_TC04G1977T1
tamarix_chinensis_TC04G2730T1 tamarix_chinensis tamarix_chinensis_TC04G2730T1
tapiscia_sinensis_evm.model.scaf_1.353 tapiscia_sinensis tapiscia_sinensis_evm.model.scaf_1.353
tapiscia_sinensis_evm.model.scaf_16.42 tapiscia_sinensis tapiscia_sinensis_evm.model.scaf_16.42
tapiscia_sinensis_evm.model.scaf_421.126 tapiscia_sinensis tapiscia_sinensis_evm.model.scaf_421.126