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.

Species Distribution

Related Modules

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

Gene	Species	Protein ID
SOpen06G0020030.1	solanum_pennellii	SOpen06G0020030.1
SOpen11G0015530.1	solanum_pennellii	SOpen11G0015530.1
SOpen11G0015530.2	solanum_pennellii	SOpen11G0015530.2
SOpen11G0015530.3	solanum_pennellii	SOpen11G0015530.3
solanum_pimpinellifolium_SPIMP02g0059790	solanum_pimpinellifolium	solanum_pimpinellifolium_SPIMP02g0059790
solanum_pimpinellifolium_SPIMP04g0145490	solanum_pimpinellifolium	solanum_pimpinellifolium_SPIMP04g0145490
solanum_pimpinellifolium_SPIMP06g0190950	solanum_pimpinellifolium	solanum_pimpinellifolium_SPIMP06g0190950
solanum_pimpinellifolium_SPIMP11g0330170	solanum_pimpinellifolium	solanum_pimpinellifolium_SPIMP11g0330170
solanum_rostratum_evm.model.Chr12.2267	solanum_rostratum	solanum_rostratum_evm.model.Chr12.2267
solanum_rostratum_evm.model.Chr3.1603	solanum_rostratum	solanum_rostratum_evm.model.Chr3.1603
solanum_rostratum_evm.model.Chr5.1687	solanum_rostratum	solanum_rostratum_evm.model.Chr5.1687
solanum_rostratum_evm.model.Chr5.528	solanum_rostratum	solanum_rostratum_evm.model.Chr5.528
solanum_rostratum_evm.model.Chr8.573	solanum_rostratum	solanum_rostratum_evm.model.Chr8.573
solanum_sitiens_g15145.t1	solanum_sitiens	solanum_sitiens_g15145.t1
solanum_sitiens_g23110.t1	solanum_sitiens	solanum_sitiens_g23110.t1
solanum_sitiens_g7373.t1	solanum_sitiens	solanum_sitiens_g7373.t1
solanum_stenotomum_XP_049380093.1	solanum_stenotomum	solanum_stenotomum_XP_049380093.1
solanum_stenotomum_XP_049380094.1	solanum_stenotomum	solanum_stenotomum_XP_049380094.1
solanum_stenotomum_XP_049380096.1	solanum_stenotomum	solanum_stenotomum_XP_049380096.1
solanum_stenotomum_XP_049380097.1	solanum_stenotomum	solanum_stenotomum_XP_049380097.1
solanum_stenotomum_XP_049383317.1	solanum_stenotomum	solanum_stenotomum_XP_049383317.1
solanum_stenotomum_XP_049386131.1	solanum_stenotomum	solanum_stenotomum_XP_049386131.1
solanum_stenotomum_XP_049389822.1	solanum_stenotomum	solanum_stenotomum_XP_049389822.1
solanum_stenotomum_XP_049411880.1	solanum_stenotomum	solanum_stenotomum_XP_049411880.1
Stub03G0011600.1	solanum_tuberosum	Stub03G0011600.1
Stub06G0001770.1	solanum_tuberosum	Stub06G0001770.1
Stub06G0001830.1	solanum_tuberosum	Stub06G0001830.1
Stub11G0002600.2	solanum_tuberosum	Stub11G0002600.2
Stub12G0008360.1	solanum_tuberosum	Stub12G0008360.1
Stub12G0008360.2	solanum_tuberosum	Stub12G0008360.2