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
ChirNSCAFB.1630008430.1	cardamine_hirsuta	ChirNSCAFB.1630008430.1
ChirNSCAFB.1630008430.2	cardamine_hirsuta	ChirNSCAFB.1630008430.2
Cresscaffold11545_size12110015130.1	cardamine_resedifolia	Cresscaffold11545_size12110015130.1
Cresscaffold12751_size10560026040.1	cardamine_resedifolia	Cresscaffold12751_size10560026040.1
Cresscaffold188_size2390890068890.1	cardamine_resedifolia	Cresscaffold188_size2390890068890.1
Cresscaffold234_size3168980091730.1	cardamine_resedifolia	Cresscaffold234_size3168980091730.1
Cresscaffold2685_size194410103670.1	cardamine_resedifolia	Cresscaffold2685_size194410103670.1
Cresscaffold3867_size146890141930.1	cardamine_resedifolia	Cresscaffold3867_size146890141930.1
Cresscaffold3867_size146890141940.1	cardamine_resedifolia	Cresscaffold3867_size146890141940.1
Cresscaffold45_size3826140160120.1	cardamine_resedifolia	Cresscaffold45_size3826140160120.1
Cresscaffold45_size3826140160130.1	cardamine_resedifolia	Cresscaffold45_size3826140160130.1
Cresscaffold9544_size15710237410.1	cardamine_resedifolia	Cresscaffold9544_size15710237410.1
Ccri05g07960.1	carex_cristatella	Ccri05g07960.1
Csco12g07780.1	carex_scoparia	Csco12g07780.1
carica_papaya_GWHPBFSC002991	carica_papaya	carica_papaya_GWHPBFSC002991
carica_papaya_GWHPBFSC009329	carica_papaya	carica_papaya_GWHPBFSC009329
Cgig1_05462	carnegiea_gigantea	Cgig1_05462
Cgig1_09556	carnegiea_gigantea	Cgig1_09556
Cgig1_11919	carnegiea_gigantea	Cgig1_11919
Cgig1_12271	carnegiea_gigantea	Cgig1_12271
Cgig1_18593	carnegiea_gigantea	Cgig1_18593
Cgig1_25360	carnegiea_gigantea	Cgig1_25360
Cgig1_26897	carnegiea_gigantea	Cgig1_26897
Cfan02G0008610.1	carpinus_fangiana	Cfan02G0008610.1
Cfan02G0023700.1	carpinus_fangiana	Cfan02G0023700.1
Cfan02G0023710.1	carpinus_fangiana	Cfan02G0023710.1
Cfan05G0018630.1	carpinus_fangiana	Cfan05G0018630.1
Cfanscaffold100000180.1	carpinus_fangiana	Cfanscaffold100000180.1
Ctin03G0009210.1	carthamus_tinctorius	Ctin03G0009210.1
Ctin05G0008350.1	carthamus_tinctorius	Ctin05G0008350.1