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
rubus_idaeus_g4864.t1 rubus_idaeus rubus_idaeus_g4864.t1
rubus_idaeus_g4865.t1 rubus_idaeus rubus_idaeus_g4865.t1
rubus_idaeus_g4866.t1 rubus_idaeus rubus_idaeus_g4866.t1
rubus_idaeus_g4870.t1 rubus_idaeus rubus_idaeus_g4870.t1
rubus_idaeus_g9671.t1 rubus_idaeus rubus_idaeus_g9671.t1
Rocc01G0015910.1 rubus_occidentalis Rocc01G0015910.1
Rocc01G0015960.1 rubus_occidentalis Rocc01G0015960.1
Rocc02G0007940.1 rubus_occidentalis Rocc02G0007940.1
Rocc02G0046080.1 rubus_occidentalis Rocc02G0046080.1
Rocc02G0046090.1 rubus_occidentalis Rocc02G0046090.1
Rocc02G0046100.1 rubus_occidentalis Rocc02G0046100.1
Rocc02G0046110.1 rubus_occidentalis Rocc02G0046110.1
Sspon.01G0036400-1B-mRNA-1:cds saccharum_spontaneum Sspon.01G0036400-1B-mRNA-1:cds
Sspon.01G0036400-1P-mRNA-1:cds saccharum_spontaneum Sspon.01G0036400-1P-mRNA-1:cds
Sspon.01G0036400-2P-mRNA-1:cds saccharum_spontaneum Sspon.01G0036400-2P-mRNA-1:cds
Sspon.01G0036400-3D-mRNA-1:cds saccharum_spontaneum Sspon.01G0036400-3D-mRNA-1:cds
Sspon.03G0043230-1C-mRNA-1:cds saccharum_spontaneum Sspon.03G0043230-1C-mRNA-1:cds
Sspp03G0006440.1 saccharum_spp_r570 Sspp03G0006440.1
salix_arbutifolia_GWHPBDOB001644 salix_arbutifolia salix_arbutifolia_GWHPBDOB001644
salix_arbutifolia_GWHPBDOB008678 salix_arbutifolia salix_arbutifolia_GWHPBDOB008678
salix_arbutifolia_GWHPBDOB010148 salix_arbutifolia salix_arbutifolia_GWHPBDOB010148
salix_arbutifolia_GWHPBDOB014563 salix_arbutifolia salix_arbutifolia_GWHPBDOB014563
salix_arbutifolia_GWHPBDOB014578 salix_arbutifolia salix_arbutifolia_GWHPBDOB014578
salix_arbutifolia_GWHPBDOB014969 salix_arbutifolia salix_arbutifolia_GWHPBDOB014969
salix_arbutifolia_GWHPBDOB016492 salix_arbutifolia salix_arbutifolia_GWHPBDOB016492
salix_arbutifolia_GWHPBDOB022895 salix_arbutifolia salix_arbutifolia_GWHPBDOB022895
salix_arbutifolia_GWHPBDOB023958 salix_arbutifolia salix_arbutifolia_GWHPBDOB023958
Sbra05G0007270.1 salix_brachista Sbra05G0007270.1
Sbra14G0006910.1 salix_brachista Sbra14G0006910.1
Sbra15G0001900.1 salix_brachista Sbra15G0001900.1