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
fragaria_chiloensis_maker-5A-augustus-gene-195.0-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-5A-augustus-gene-195.0-mRNA-1
fragaria_chiloensis_maker-5A-augustus-gene-195.1-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-5A-augustus-gene-195.1-mRNA-1
fragaria_chiloensis_maker-5A-augustus-gene-195.2-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-5A-augustus-gene-195.2-mRNA-1
fragaria_chiloensis_maker-5A-augustus-gene-195.3-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-5A-augustus-gene-195.3-mRNA-1
fragaria_chiloensis_maker-5A-augustus-gene-196.28-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-5A-augustus-gene-196.28-mRNA-1
fragaria_chiloensis_maker-5A-augustus-gene-71.110-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-5A-augustus-gene-71.110-mRNA-1
fragaria_chiloensis_maker-5A-exonerate_protein2genome-gene-194.44-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-5A-exonerate_protein2genome-gene-194.44-mRNA-1
fragaria_chiloensis_maker-5A-exonerate_protein2genome-gene-195.4-mRNA-1 fragaria_chiloensis fragaria_chiloensis_maker-5A-exonerate_protein2genome-gene-195.4-mRNA-1
fragaria_iinumae_evm.model.scaf_28.280 fragaria_iinumae fragaria_iinumae_evm.model.scaf_28.280
fragaria_iinumae_evm.model.scaf_28.58 fragaria_iinumae fragaria_iinumae_evm.model.scaf_28.58
fragaria_iinumae_evm.model.scaf_28.59 fragaria_iinumae fragaria_iinumae_evm.model.scaf_28.59
fragaria_iinumae_evm.model.scaf_4.819 fragaria_iinumae fragaria_iinumae_evm.model.scaf_4.819
fragaria_iinumae_evm.model.scaf_51.239 fragaria_iinumae fragaria_iinumae_evm.model.scaf_51.239
fragaria_iinumae_evm.model.scaf_51.240 fragaria_iinumae fragaria_iinumae_evm.model.scaf_51.240
fragaria_iinumae_evm.model.scaf_51.241.1 fragaria_iinumae fragaria_iinumae_evm.model.scaf_51.241.1
fragaria_iinumae_evm.model.scaf_51.243 fragaria_iinumae fragaria_iinumae_evm.model.scaf_51.243
fragaria_iinumae_evm.model.scaf_51.289 fragaria_iinumae fragaria_iinumae_evm.model.scaf_51.289
fragaria_iinumae_evm.model.scaf_51.292 fragaria_iinumae fragaria_iinumae_evm.model.scaf_51.292
fragaria_iinumae_evm.model.scaf_51.293 fragaria_iinumae fragaria_iinumae_evm.model.scaf_51.293
fragaria_iinumae_evm.model.scaf_54.506 fragaria_iinumae fragaria_iinumae_evm.model.scaf_54.506
fragaria_iinumae_evm.model.scaf_54.507 fragaria_iinumae fragaria_iinumae_evm.model.scaf_54.507
fragaria_iinumae_evm.model.scaf_54.508 fragaria_iinumae fragaria_iinumae_evm.model.scaf_54.508
fragaria_iinumae_evm.model.scaf_54.509 fragaria_iinumae fragaria_iinumae_evm.model.scaf_54.509
fragaria_mandshurica_evm.model.chr1.1548 fragaria_mandshurica fragaria_mandshurica_evm.model.chr1.1548
fragaria_mandshurica_evm.model.chr1.1549 fragaria_mandshurica fragaria_mandshurica_evm.model.chr1.1549
fragaria_mandshurica_evm.model.chr1.1967 fragaria_mandshurica fragaria_mandshurica_evm.model.chr1.1967
fragaria_mandshurica_evm.model.chr1.2424 fragaria_mandshurica fragaria_mandshurica_evm.model.chr1.2424
fragaria_mandshurica_evm.model.chr1.2426 fragaria_mandshurica fragaria_mandshurica_evm.model.chr1.2426
fragaria_mandshurica_evm.model.chr2.192 fragaria_mandshurica fragaria_mandshurica_evm.model.chr2.192
fragaria_mandshurica_evm.model.chr2.72 fragaria_mandshurica fragaria_mandshurica_evm.model.chr2.72