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
7755_t	potentilla_micrantha	7755_t
7756_t	potentilla_micrantha	7756_t
primula_veris_pveT_jg31654	primula_veris	primula_veris_pveT_jg31654
primula_veris_pveT_jg5233	primula_veris	primula_veris_pveT_jg5233
primula_veris_pveT_jg6285	primula_veris	primula_veris_pveT_jg6285
primula_veris_pveT_jg695	primula_veris	primula_veris_pveT_jg695
primula_veris_pveT_jg9142	primula_veris	primula_veris_pveT_jg9142
PRvulLH_v2_00001180019160.1	primula_vulgaris	PRvulLH_v2_00001180019160.1
PRvulLH_v2_00001180019160.2	primula_vulgaris	PRvulLH_v2_00001180019160.2
PRvulLH_v2_00001220019510.1	primula_vulgaris	PRvulLH_v2_00001220019510.1
PRvulLH_v2_00003740057500.1	primula_vulgaris	PRvulLH_v2_00003740057500.1
PRvulLH_v2_00005690082830.1	primula_vulgaris	PRvulLH_v2_00005690082830.1
PRvulLH_v2_00006100088690.1	primula_vulgaris	PRvulLH_v2_00006100088690.1
PRvulLH_v2_00395290229730.1	primula_vulgaris	PRvulLH_v2_00395290229730.1
PRvulLH_v2_00648490239910.1	primula_vulgaris	PRvulLH_v2_00648490239910.1
PRvulLH_v2_00672540243900.1	primula_vulgaris	PRvulLH_v2_00672540243900.1
prosopis_alba_XP_028754970.1	prosopis_alba	prosopis_alba_XP_028754970.1
prosopis_alba_XP_028772795.1	prosopis_alba	prosopis_alba_XP_028772795.1
prosopis_alba_XP_028786285.1	prosopis_alba	prosopis_alba_XP_028786285.1
prosopis_alba_XP_028786286.1	prosopis_alba	prosopis_alba_XP_028786286.1
prosopis_alba_XP_028787155.1	prosopis_alba	prosopis_alba_XP_028787155.1
prosopis_alba_XP_028787156.1	prosopis_alba	prosopis_alba_XP_028787156.1
prosopis_alba_XP_028801442.1	prosopis_alba	prosopis_alba_XP_028801442.1
prosopis_alba_XP_028803370.1	prosopis_alba	prosopis_alba_XP_028803370.1
prosopis_alba_XP_028803371.1	prosopis_alba	prosopis_alba_XP_028803371.1
prosopis_alba_XP_028806977.1	prosopis_alba	prosopis_alba_XP_028806977.1
protea_cynaroides_KAJ4952904.1	protea_cynaroides	protea_cynaroides_KAJ4952904.1
protea_cynaroides_KAJ4962314.1	protea_cynaroides	protea_cynaroides_KAJ4962314.1
protea_cynaroides_KAJ4979517.1	protea_cynaroides	protea_cynaroides_KAJ4979517.1
PruarS.100029G011600.t1.p1_1	prunus_armeniaca	PruarS.100029G011600.t1.p1_1