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
camellia_sinensis_GWHPASIV015400 camellia_sinensis camellia_sinensis_GWHPASIV015400
camellia_sinensis_GWHPASIV016328 camellia_sinensis camellia_sinensis_GWHPASIV016328
camellia_sinensis_GWHPASIV017771 camellia_sinensis camellia_sinensis_GWHPASIV017771
camellia_sinensis_GWHPASIV019704 camellia_sinensis camellia_sinensis_GWHPASIV019704
camellia_sinensis_GWHPASIV020402 camellia_sinensis camellia_sinensis_GWHPASIV020402
camellia_sinensis_GWHPASIV021815 camellia_sinensis camellia_sinensis_GWHPASIV021815
camellia_sinensis_GWHPASIV030268 camellia_sinensis camellia_sinensis_GWHPASIV030268
camellia_sinensis_GWHPASIV031871 camellia_sinensis camellia_sinensis_GWHPASIV031871
camellia_sinensis_GWHPASIV033508 camellia_sinensis camellia_sinensis_GWHPASIV033508
camellia_sinensis_GWHPASIV035961 camellia_sinensis camellia_sinensis_GWHPASIV035961
camellia_sinensis_GWHPASIV039044 camellia_sinensis camellia_sinensis_GWHPASIV039044
camellia_sinensis_GWHPASIV039995 camellia_sinensis camellia_sinensis_GWHPASIV039995
camellia_sinensis_GWHPASIV040382 camellia_sinensis camellia_sinensis_GWHPASIV040382
camellia_sinensis_GWHPASIV040849 camellia_sinensis camellia_sinensis_GWHPASIV040849
camellia_sinensis_GWHPASIV041187 camellia_sinensis camellia_sinensis_GWHPASIV041187
camellia_sinensis_GWHPASIV044413 camellia_sinensis camellia_sinensis_GWHPASIV044413
camellia_sinensis_GWHPASIV044510 camellia_sinensis camellia_sinensis_GWHPASIV044510
Cacu04G0006110.1 camptotheca_acuminata Cacu04G0006110.1
Cacu05G0011810.1 camptotheca_acuminata Cacu05G0011810.1
Cacu10G0000730.1 camptotheca_acuminata Cacu10G0000730.1
Cacu10G0000740.1 camptotheca_acuminata Cacu10G0000740.1
Cacu10G0000770.1 camptotheca_acuminata Cacu10G0000770.1
Cacu10G0000780.1 camptotheca_acuminata Cacu10G0000780.1
Cacu10G0000990.1 camptotheca_acuminata Cacu10G0000990.1
Cacu10G0001000.1 camptotheca_acuminata Cacu10G0001000.1
Cacu10G0006330.1 camptotheca_acuminata Cacu10G0006330.1
Cacu10G0006330.2 camptotheca_acuminata Cacu10G0006330.2
Cacu13G0003440.1 camptotheca_acuminata Cacu13G0003440.1
Cacu14G0007120.1 camptotheca_acuminata Cacu14G0007120.1
Cacu14G0007130.1 camptotheca_acuminata Cacu14G0007130.1