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
raphanus_raphanistrum_GWHPANWN044433	raphanus_raphanistrum	raphanus_raphanistrum_GWHPANWN044433
raphanus_raphanistrum_GWHPANWN045212	raphanus_raphanistrum	raphanus_raphanistrum_GWHPANWN045212
Rsat01G0015880	raphanus_sativus	Rsat01G0015880
Rsat01G0047350	raphanus_sativus	Rsat01G0047350
Rsat01G0047360	raphanus_sativus	Rsat01G0047360
Rsat01G0047370	raphanus_sativus	Rsat01G0047370
Rsat02G0001480	raphanus_sativus	Rsat02G0001480
Rsat04G0015880	raphanus_sativus	Rsat04G0015880
Rsat04G0015890	raphanus_sativus	Rsat04G0015890
Rsat04G0015900	raphanus_sativus	Rsat04G0015900
Rsat04G0039210	raphanus_sativus	Rsat04G0039210
Rsat08G0010980	raphanus_sativus	Rsat08G0010980
Rsat09G0003270	raphanus_sativus	Rsat09G0003270
Rsat09G0011460	raphanus_sativus	Rsat09G0011460
Rser1580750114700	regmatodon_serrulatus	Rser1580750114700
Rser1583530164560	regmatodon_serrulatus	Rser1583530164560
Rser1584740195310	regmatodon_serrulatus	Rser1584740195310
rheum_tanguticum_RtaG0006458.1	rheum_tanguticum	rheum_tanguticum_RtaG0006458.1
rheum_tanguticum_RtaG0014200.1	rheum_tanguticum	rheum_tanguticum_RtaG0014200.1
rheum_tanguticum_RtaG0017111.1	rheum_tanguticum	rheum_tanguticum_RtaG0017111.1
rheum_tanguticum_RtaG0019560.1	rheum_tanguticum	rheum_tanguticum_RtaG0019560.1
rheum_tanguticum_RtaG0021280.1	rheum_tanguticum	rheum_tanguticum_RtaG0021280.1
rheum_tanguticum_RtaG0022275.1	rheum_tanguticum	rheum_tanguticum_RtaG0022275.1
rheum_tanguticum_RtaG0027062.1	rheum_tanguticum	rheum_tanguticum_RtaG0027062.1
rheum_tanguticum_RtaG0027341.1	rheum_tanguticum	rheum_tanguticum_RtaG0027341.1
rheum_tanguticum_RtaG0032331.1	rheum_tanguticum	rheum_tanguticum_RtaG0032331.1
rheum_tanguticum_RtaG0032436.1	rheum_tanguticum	rheum_tanguticum_RtaG0032436.1
rheum_tanguticum_RtaG0033281.1	rheum_tanguticum	rheum_tanguticum_RtaG0033281.1
rheum_tanguticum_RtaG0033844.1	rheum_tanguticum	rheum_tanguticum_RtaG0033844.1
rheum_tanguticum_RtaG0033851.1	rheum_tanguticum	rheum_tanguticum_RtaG0033851.1