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
Bfucscaffold988_cov1640513580	begonia_fuchsioides	Bfucscaffold988_cov1640513580
Bhis04G0004250.1	benincasa_hispida	Bhis04G0004250.1
Bhis05G0008340.1	benincasa_hispida	Bhis05G0008340.1
Bhis09G0026160.1	benincasa_hispida	Bhis09G0026160.1
Bpatpat_scaffold10250028810.1	beta_patula	Bpatpat_scaffold10250028810.1
Bpatpat_scaffold5720227160.1	beta_patula	Bpatpat_scaffold5720227160.1
Bpatpat_scaffold68450240910.1	beta_patula	Bpatpat_scaffold68450240910.1
BEvul01G0023410.1	beta_vulgaris	BEvul01G0023410.1
BEvul05G0019000.1	beta_vulgaris	BEvul05G0019000.1
BEvul06G0025070.1	beta_vulgaris	BEvul06G0025070.1
BpenContig1460054450.1	betula_pendula	BpenContig1460054450.1
BpenContig1630075360.1	betula_pendula	BpenContig1630075360.1
BpenContig1630075370.1	betula_pendula	BpenContig1630075370.1
BpenContig180087730.1	betula_pendula	BpenContig180087730.1
Bpusscaffold_10001580	blasia_pusilla	Bpusscaffold_10001580
Bpusscaffold_50126530	blasia_pusilla	Bpusscaffold_50126530
Boea_hygrometrica_lcl\|KQ989519.1_cds_KZV54514.1_4265	boea_hygrometrica	Boea_hygrometrica_lcl\|KQ989519.1_cds_KZV54514.1_4265
Boea_hygrometrica_lcl\|KQ990519.1_cds_KZV53283.1_5525	boea_hygrometrica	Boea_hygrometrica_lcl\|KQ990519.1_cds_KZV53283.1_5525
Boea_hygrometrica_lcl\|KQ992573.1_cds_KZV50022.1_8812	boea_hygrometrica	Boea_hygrometrica_lcl\|KQ992573.1_cds_KZV50022.1_8812
Boea_hygrometrica_lcl\|KV008504.1_cds_KZV30171.1_28662	boea_hygrometrica	Boea_hygrometrica_lcl\|KV008504.1_cds_KZV30171.1_28662
Boea_hygrometrica_lcl\|KV008815.1_cds_KZV29906.1_28939	boea_hygrometrica	Boea_hygrometrica_lcl\|KV008815.1_cds_KZV29906.1_28939
BOERETT00010946	boechera_retrofracta	BOERETT00010946
BOERETT00021502	boechera_retrofracta	BOERETT00021502
BOERETT00033404	boechera_retrofracta	BOERETT00033404
BOERETT00043978	boechera_retrofracta	BOERETT00043978
BOERETT00060620	boechera_retrofracta	BOERETT00060620
BOERETT00060624	boechera_retrofracta	BOERETT00060624
BOERETT00060626	boechera_retrofracta	BOERETT00060626
BOERETT00060628	boechera_retrofracta	BOERETT00060628
BceiScaffold1030013100	bombax_ceiba	BceiScaffold1030013100