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
Gossypium-turneri-TURN-v1.0.a2-publish_TURN.04g101510.m01.polypeptide gossypium_turneri Gossypium-turneri-TURN-v1.0.a2-publish_TURN.04g101510.m01.polypeptide
Gossypium-turneri-TURN-v1.0.a2-publish_TURN.04g101520.m01.polypeptide gossypium_turneri Gossypium-turneri-TURN-v1.0.a2-publish_TURN.04g101520.m01.polypeptide
Gossypium-turneri-TURN-v1.0.a2-publish_TURN.04g101530.m01.polypeptide gossypium_turneri Gossypium-turneri-TURN-v1.0.a2-publish_TURN.04g101530.m01.polypeptide
Gossypium-turneri-TURN-v1.0.a2-publish_TURN.04g101540.m01.polypeptide gossypium_turneri Gossypium-turneri-TURN-v1.0.a2-publish_TURN.04g101540.m01.polypeptide
Gossypium-turneri-TURN-v1.0.a2-publish_TURN.04g101550.m01.polypeptide gossypium_turneri Gossypium-turneri-TURN-v1.0.a2-publish_TURN.04g101550.m01.polypeptide
Gossypium-turneri-TURN-v1.0.a2-publish_TURN.05g126300.m01.polypeptide gossypium_turneri Gossypium-turneri-TURN-v1.0.a2-publish_TURN.05g126300.m01.polypeptide
Gossypium-turneri-TURN-v1.0.a2-publish_TURN.06g173280.m01.polypeptide gossypium_turneri Gossypium-turneri-TURN-v1.0.a2-publish_TURN.06g173280.m01.polypeptide
GobtHiC_scaffold_10005470 grimmia_obtusifolia GobtHiC_scaffold_10005470
GobtHiC_scaffold_110050950 grimmia_obtusifolia GobtHiC_scaffold_110050950
GobtHiC_scaffold_120069480 grimmia_obtusifolia GobtHiC_scaffold_120069480
GobtHiC_scaffold_4900181160 grimmia_obtusifolia GobtHiC_scaffold_4900181160
gynandropsis_gynandra_Gyn_10X_HIC_v5_00005804.mRNA1 gynandropsis_gynandra gynandropsis_gynandra_Gyn_10X_HIC_v5_00005804.mRNA1
gynandropsis_gynandra_Gyn_10X_HIC_v5_00007267.mRNA1 gynandropsis_gynandra gynandropsis_gynandra_Gyn_10X_HIC_v5_00007267.mRNA1
gynandropsis_gynandra_Gyn_10X_HIC_v5_00016545.mRNA1 gynandropsis_gynandra gynandropsis_gynandra_Gyn_10X_HIC_v5_00016545.mRNA1
gynandropsis_gynandra_Gyn_10X_HIC_v5_00016546.mRNA1 gynandropsis_gynandra gynandropsis_gynandra_Gyn_10X_HIC_v5_00016546.mRNA1
gynandropsis_gynandra_Gyn_10X_HIC_v5_00020707.mRNA1 gynandropsis_gynandra gynandropsis_gynandra_Gyn_10X_HIC_v5_00020707.mRNA1
gynandropsis_gynandra_Gyn_10X_HIC_v5_00020847.mRNA1 gynandropsis_gynandra gynandropsis_gynandra_Gyn_10X_HIC_v5_00020847.mRNA1
gynandropsis_gynandra_Gyn_10X_HIC_v5_00021195.mRNA1 gynandropsis_gynandra gynandropsis_gynandra_Gyn_10X_HIC_v5_00021195.mRNA1
gypsophila_paniculata_Gpan02g00242.m1 gypsophila_paniculata gypsophila_paniculata_Gpan02g00242.m1
gypsophila_paniculata_Gpan06g00085.m1 gypsophila_paniculata gypsophila_paniculata_Gpan06g00085.m1
gypsophila_paniculata_Gpan15g00959.m1 gypsophila_paniculata gypsophila_paniculata_Gpan15g00959.m1
haloxylon_ammodendron_SS11162.t1 haloxylon_ammodendron haloxylon_ammodendron_SS11162.t1
haloxylon_ammodendron_SS26716.t1 haloxylon_ammodendron haloxylon_ammodendron_SS26716.t1
haloxylon_ammodendron_SS34806.t1 haloxylon_ammodendron haloxylon_ammodendron_SS34806.t1
haloxylon_ammodendron_SS34815.t1 haloxylon_ammodendron haloxylon_ammodendron_SS34815.t1
HimpHimp2_scaffold_15610050310.1 handroanthus_impetiginosus HimpHimp2_scaffold_15610050310.1
HimpHimp2_scaffold_19160069240.1 handroanthus_impetiginosus HimpHimp2_scaffold_19160069240.1
HimpHimp2_scaffold_30330122490.1 handroanthus_impetiginosus HimpHimp2_scaffold_30330122490.1
HimpHimp2_scaffold_470182300.1 handroanthus_impetiginosus HimpHimp2_scaffold_470182300.1
HimpHimp2_scaffold_72620254900.1 handroanthus_impetiginosus HimpHimp2_scaffold_72620254900.1