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
LalaLA_scaffold4340305130	leavenworthia_alabamica	LalaLA_scaffold4340305130
LalaLA_scaffold8620365450	leavenworthia_alabamica	LalaLA_scaffold8620365450
LalaLA_scaffold8620365470	leavenworthia_alabamica	LalaLA_scaffold8620365470
LalaLA_scaffold8620365480	leavenworthia_alabamica	LalaLA_scaffold8620365480
LalaLA_scaffold8800369000	leavenworthia_alabamica	LalaLA_scaffold8800369000
Lperr03G0008340.1	leersia_perrieri	Lperr03G0008340.1
Lperr03G0008350.1	leersia_perrieri	Lperr03G0008350.1
lens_culinaris_Lcu.2RBY.2g002570.1	lens_culinaris	lens_culinaris_Lcu.2RBY.2g002570.1
lens_culinaris_Lcu.2RBY.3g063440.1	lens_culinaris	lens_culinaris_Lcu.2RBY.3g063440.1
lens_culinaris_Lcu.2RBY.4g059180.1	lens_culinaris	lens_culinaris_Lcu.2RBY.4g059180.1
lens_culinaris_Lcu.2RBY.5g070700.1	lens_culinaris	lens_culinaris_Lcu.2RBY.5g070700.1
lens_ervoides_Ler.1DRT.1g005530.1	lens_ervoides	lens_ervoides_Ler.1DRT.1g005530.1
lens_ervoides_Ler.1DRT.1g005550.1	lens_ervoides	lens_ervoides_Ler.1DRT.1g005550.1
lens_ervoides_Ler.1DRT.2g003280.1	lens_ervoides	lens_ervoides_Ler.1DRT.2g003280.1
lens_ervoides_Ler.1DRT.3g069830.1	lens_ervoides	lens_ervoides_Ler.1DRT.3g069830.1
lens_ervoides_Ler.1DRT.4g061410.1	lens_ervoides	lens_ervoides_Ler.1DRT.4g061410.1
Lrep1671970108790	lepidozia_reptans	Lrep1671970108790
Lrep1679030154510	lepidozia_reptans	Lrep1679030154510
leptochloa_chinensis_GWHPBJVB039503	leptochloa_chinensis	leptochloa_chinensis_GWHPBJVB039503
leptochloa_chinensis_GWHPBJVB043214	leptochloa_chinensis	leptochloa_chinensis_GWHPBJVB043214
leptochloa_chinensis_GWHPBJVB043215	leptochloa_chinensis	leptochloa_chinensis_GWHPBJVB043215
leptodermis_oblonga_EVM0011079.1	leptodermis_oblonga	leptodermis_oblonga_EVM0011079.1
leptodermis_oblonga_EVM0016032.1	leptodermis_oblonga	leptodermis_oblonga_EVM0016032.1
leptodermis_oblonga_EVM0019860.1	leptodermis_oblonga	leptodermis_oblonga_EVM0019860.1
leptodermis_oblonga_EVM0020435.1	leptodermis_oblonga	leptodermis_oblonga_EVM0020435.1
leptodermis_oblonga_EVM0020614.1	leptodermis_oblonga	leptodermis_oblonga_EVM0020614.1
leptodermis_oblonga_EVM0020966.1	leptodermis_oblonga	leptodermis_oblonga_EVM0020966.1
leptodermis_oblonga_EVM0025685.1	leptodermis_oblonga	leptodermis_oblonga_EVM0025685.1
leptodermis_oblonga_EVM0026212.1	leptodermis_oblonga	leptodermis_oblonga_EVM0026212.1
Lgau1896720056270	leptotheca_gaudichaudii	Lgau1896720056270