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
Cnanutg32804_pilon_pilon0306280.1	chrysanthemum_nankingense	Cnanutg32804_pilon_pilon0306280.1
Cnanutg76479_pilon_pilon0510750.1	chrysanthemum_nankingense	Cnanutg76479_pilon_pilon0510750.1
CsetCse_sc000157.10022280	chrysanthemum_seticuspe	CsetCse_sc000157.10022280
CsetCse_sc001700.10157200	chrysanthemum_seticuspe	CsetCse_sc001700.10157200
CsetCse_sc002042.10181100	chrysanthemum_seticuspe	CsetCse_sc002042.10181100
CsetCse_sc002074.10182950	chrysanthemum_seticuspe	CsetCse_sc002074.10182950
CsetCse_sc003199.10254210	chrysanthemum_seticuspe	CsetCse_sc003199.10254210
CsetCse_sc004556.10329100	chrysanthemum_seticuspe	CsetCse_sc004556.10329100
CsetCse_sc005806.10391110	chrysanthemum_seticuspe	CsetCse_sc005806.10391110
CsetCse_sc006957.10444680	chrysanthemum_seticuspe	CsetCse_sc006957.10444680
CsetCse_sc012971.10672510	chrysanthemum_seticuspe	CsetCse_sc012971.10672510
CsetCse_sc015675.10756300	chrysanthemum_seticuspe	CsetCse_sc015675.10756300
CsetCse_sc016282.10773690	chrysanthemum_seticuspe	CsetCse_sc016282.10773690
CsetCse_sc017753.10814000	chrysanthemum_seticuspe	CsetCse_sc017753.10814000
CsetCse_sc019244.10852530	chrysanthemum_seticuspe	CsetCse_sc019244.10852530
CsetCse_sc022660.10932610	chrysanthemum_seticuspe	CsetCse_sc022660.10932610
CsetCse_sc022780.10935080	chrysanthemum_seticuspe	CsetCse_sc022780.10935080
CsetCse_sc027907.11038130	chrysanthemum_seticuspe	CsetCse_sc027907.11038130
CsetCse_sc032392.11113660	chrysanthemum_seticuspe	CsetCse_sc032392.11113660
CsetCse_sc033144.11124660	chrysanthemum_seticuspe	CsetCse_sc033144.11124660
CsetCse_sc039833.11211760	chrysanthemum_seticuspe	CsetCse_sc039833.11211760
CsetCse_sc072031.11416280	chrysanthemum_seticuspe	CsetCse_sc072031.11416280
CsetCse_sc095199.11462270	chrysanthemum_seticuspe	CsetCse_sc095199.11462270
Cari01G0001910.1	cicer_arietinum	Cari01G0001910.1
Cari04G0031980.1	cicer_arietinum	Cari04G0031980.1
Cari05G0019990.1	cicer_arietinum	Cari05G0019990.1
Cari06G0014100.1	cicer_arietinum	Cari06G0014100.1
Cr_00175.1\|Cr_LG_1:1516212-1519484\|plus\|	cicer_reticulatum	Cr_00175.1\|Cr_LG_1:1516212-1519484\|plus\|
Cr_02852.1\|Cr_LG_1:39866359-39871416\|plus\|	cicer_reticulatum	Cr_02852.1\|Cr_LG_1:39866359-39871416\|plus\|
Cr_05273.1\|Cr_LG_3:2882831-2886631\|minus\|	cicer_reticulatum	Cr_05273.1\|Cr_LG_3:2882831-2886631\|minus\|