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
Xsor02G0006140.1 xanthoceras_sorbifolium Xsor02G0006140.1
Xsor02G0006440.1 xanthoceras_sorbifolium Xsor02G0006440.1
Xsor02G0006480.1 xanthoceras_sorbifolium Xsor02G0006480.1
Xsor02G0006520.1 xanthoceras_sorbifolium Xsor02G0006520.1
Xsor02G0008290.1 xanthoceras_sorbifolium Xsor02G0008290.1
Xsor04G0010010.1 xanthoceras_sorbifolium Xsor04G0010010.1
Xsor10G0002480.1 xanthoceras_sorbifolium Xsor10G0002480.1
Xsor10G0002600.1 xanthoceras_sorbifolium Xsor10G0002600.1
Xsor10G0002670.1 xanthoceras_sorbifolium Xsor10G0002670.1
Xsor10G0010600.1 xanthoceras_sorbifolium Xsor10G0010600.1
Xsor14G0008320.1 xanthoceras_sorbifolium Xsor14G0008320.1
Xsor14G0008330.1 xanthoceras_sorbifolium Xsor14G0008330.1
Xsor14G0008400.1 xanthoceras_sorbifolium Xsor14G0008400.1
Xsor14G0008410.1 xanthoceras_sorbifolium Xsor14G0008410.1
zantedeschia_elliottiana_Zh01G152400.1 zantedeschia_elliottiana zantedeschia_elliottiana_Zh01G152400.1
zantedeschia_elliottiana_Zh02G183500.1 zantedeschia_elliottiana zantedeschia_elliottiana_Zh02G183500.1
zantedeschia_elliottiana_Zh07G046200.1 zantedeschia_elliottiana zantedeschia_elliottiana_Zh07G046200.1
zanthoxylum_bungeanum_ZbB_C05.Contig294.75 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbB_C05.Contig294.75
zanthoxylum_bungeanum_ZbB_C05.Contig294.77 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbB_C05.Contig294.77
zanthoxylum_bungeanum_ZbB_C08.Contig496.51 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbB_C08.Contig496.51
zanthoxylum_bungeanum_ZbB_C10.Contig245.77 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbB_C10.Contig245.77
zanthoxylum_bungeanum_ZbB_C11.Contig623.68 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbB_C11.Contig623.68
zanthoxylum_bungeanum_ZbB_C14.Contig350.32 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbB_C14.Contig350.32
zanthoxylum_bungeanum_ZbB_C17.Contig171.68 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbB_C17.Contig171.68
zanthoxylum_bungeanum_ZbB_C19.Contig3.2.268 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbB_C19.Contig3.2.268
zanthoxylum_bungeanum_ZbB_C19.Contig3.72 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbB_C19.Contig3.72
zanthoxylum_bungeanum_ZbB_C25.Contig400.112 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbB_C25.Contig400.112
zanthoxylum_bungeanum_ZbC_C05.Contig616.17 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbC_C05.Contig616.17
zanthoxylum_bungeanum_ZbC_C08.Contig31c.65 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbC_C08.Contig31c.65
zanthoxylum_bungeanum_ZbC_C09.Contig115.472 zanthoxylum_bungeanum zanthoxylum_bungeanum_ZbC_C09.Contig115.472