PlantSME Plant secondary metabolism enzyme database
SQE

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.
Algae
Bryophytes
Lycophytes/Ferns
Gymnosperms
Basal angiosperms
Monocots
Eudicots
Species Distribution
Fragaria ananassa
Fragaria chiloensis
Rosa multiflora
Gossypium raimondii
Related Modules
Steroid pathway
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
GeneSpeciesProtein ID
vigna_umbellata_XP_047177916.1 vigna_umbellata vigna_umbellata_XP_047177916.1
vigna_umbellata_XP_047177917.1 vigna_umbellata vigna_umbellata_XP_047177917.1
vigna_umbellata_XP_047182232.1 vigna_umbellata vigna_umbellata_XP_047182232.1
Vung03G0012270.1 vigna_unguiculata Vung03G0012270.1
Vung06G0003480.1 vigna_unguiculata Vung06G0003480.1
Vung06G0003480.2 vigna_unguiculata Vung06G0003480.2
Vung06G0003480.3 vigna_unguiculata Vung06G0003480.3
Vung06G0003480.4 vigna_unguiculata Vung06G0003480.4
Vung06G0003480.5 vigna_unguiculata Vung06G0003480.5
Vung06G0003480.6 vigna_unguiculata Vung06G0003480.6
Vung06G0003480.7 vigna_unguiculata Vung06G0003480.7
Vung06G0003480.8 vigna_unguiculata Vung06G0003480.8
Vung06G0003480.9 vigna_unguiculata Vung06G0003480.9
Vung06G0022560.1 vigna_unguiculata Vung06G0022560.1
Vung06G0022560.2 vigna_unguiculata Vung06G0022560.2
Vung08G0003360.1 vigna_unguiculata Vung08G0003360.1
Vung09G0021190.1 vigna_unguiculata Vung09G0021190.1
Vung09G0023970.1 vigna_unguiculata Vung09G0023970.1
vitis_amurensis_VAG0109683.1 vitis_amurensis vitis_amurensis_VAG0109683.1
vitis_amurensis_VAG0125799.1 vitis_amurensis vitis_amurensis_VAG0125799.1
vitis_amurensis_VAG0131991.1 vitis_amurensis vitis_amurensis_VAG0131991.1
vitis_amurensis_VAG0131992.1 vitis_amurensis vitis_amurensis_VAG0131992.1
vitis_berlandieri_x_riparia_VITVixKober5BB_v1.0.hap_Vri.chr03.ver1.0.g035540.p01 vitis_berlandieri_x_riparia vitis_berlandieri_x_riparia_VITVixKober5BB_v1.0.hap_Vri.chr03.ver1.0.g035540.p01
vitis_berlandieri_x_riparia_VITVixKober5BB_v1.0.hap_Vri.chr03.ver1.0.g035550.p01 vitis_berlandieri_x_riparia vitis_berlandieri_x_riparia_VITVixKober5BB_v1.0.hap_Vri.chr03.ver1.0.g035550.p01
vitis_berlandieri_x_riparia_VITVixKober5BB_v1.0.hap_Vri.chr05.ver1.0.g062630.p01 vitis_berlandieri_x_riparia vitis_berlandieri_x_riparia_VITVixKober5BB_v1.0.hap_Vri.chr05.ver1.0.g062630.p01
vitis_berlandieri_x_riparia_VITVixKober5BB_v1.0.hap_Vri.chr18.ver1.0.g257510.p01 vitis_berlandieri_x_riparia vitis_berlandieri_x_riparia_VITVixKober5BB_v1.0.hap_Vri.chr18.ver1.0.g257510.p01
vitis_berlandieri_x_rupestris_VITVix110R_v1.0.hap_Vbe.chr03.ver1.0.g036390.p01 vitis_berlandieri_x_rupestris vitis_berlandieri_x_rupestris_VITVix110R_v1.0.hap_Vbe.chr03.ver1.0.g036390.p01
vitis_berlandieri_x_rupestris_VITVix110R_v1.0.hap_Vbe.chr03.ver1.0.g036400.p01 vitis_berlandieri_x_rupestris vitis_berlandieri_x_rupestris_VITVix110R_v1.0.hap_Vbe.chr03.ver1.0.g036400.p01
vitis_berlandieri_x_rupestris_VITVix110R_v1.0.hap_Vbe.chr05.ver1.0.g062330.p01 vitis_berlandieri_x_rupestris vitis_berlandieri_x_rupestris_VITVix110R_v1.0.hap_Vbe.chr05.ver1.0.g062330.p01
vitis_berlandieri_x_rupestris_VITVix110R_v1.0.hap_Vbe.chr05.ver1.0.g065270.p01 vitis_berlandieri_x_rupestris vitis_berlandieri_x_rupestris_VITVix110R_v1.0.hap_Vbe.chr05.ver1.0.g065270.p01