PlantSME Plant secondary metabolism enzyme database
Steroid portable pathway

Steroid portable pathway

Category:Steroid pathway

Steroid pathway definition imported from the 2026-05-17 portable BLAST/HMM package.

Representative Steroid Reaction Route
Squalene to phytosterols and brassinosteroid branch. The steroid route starts from triterpenoid precursors, proceeds through squalene, 2,3-oxidosqualene, and cycloartenol, and then branches toward phytosterols and brassinosteroids; long branches are shown as curated modules.
3 curated steps/modules
Sterol Scaffold Formation
01
Substrate
Farnesyl diphosphate
C15H28O7P2
C15 prenyl-OPP
Squalene synthesis, epoxidation, and cyclization
Product
Cycloartenol
C30H50O
tetracyclic sterol nucleus with cyclopropyl side
SQS/SQE/CAS convert FPP-derived linear triterpenes into the plant sterol core.
02
Substrate
Cycloartenol-series intermediates
C28-C30 sterols
tetracyclic sterol nucleus
Demethylation, reduction, and side-chain remodeling
Product
Phytosterols
C28H48O / C29H50O
sterol nucleus-C8/C9 side chain
This segment converts cycloartenol-series intermediates into phytosterol pools such as sitosterol and campesterol.
Brassinosteroid Branch
Lineage Distribution
Assignments under this module are distributed across the following plant lineages.
Current lineage filter: Basal angiosperms. All species, family, module, and gene statistics below have been narrowed to this lineage.
Lineage Summary
Module Gene List
Reset
GeneSpeciesProtein ID
cinnamomum_camphora_GWHPBGXC015862 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015862
cinnamomum_camphora_GWHPBGXC015895 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015895
cinnamomum_camphora_GWHPBGXC016016 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC016016
cinnamomum_camphora_GWHPBGXC016677 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC016677
cinnamomum_camphora_GWHPBGXC016696 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC016696
cinnamomum_camphora_GWHPBGXC017062 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC017062
cinnamomum_camphora_GWHPBGXC017352 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC017352
cinnamomum_camphora_GWHPBGXC017382 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC017382
cinnamomum_camphora_GWHPBGXC017511 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC017511
cinnamomum_camphora_GWHPBGXC017551 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC017551
cinnamomum_camphora_GWHPBGXC017610 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC017610
cinnamomum_camphora_GWHPBGXC017848 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC017848
cinnamomum_camphora_GWHPBGXC017918 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC017918
cinnamomum_camphora_GWHPBGXC017936 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC017936
cinnamomum_camphora_GWHPBGXC018579 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC018579
cinnamomum_camphora_GWHPBGXC018957 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC018957
cinnamomum_camphora_GWHPBGXC019769 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC019769
cinnamomum_camphora_GWHPBGXC019893 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC019893
cinnamomum_camphora_GWHPBGXC019908 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC019908
cinnamomum_camphora_GWHPBGXC020463 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC020463
cinnamomum_camphora_GWHPBGXC021100 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC021100
cinnamomum_camphora_GWHPBGXC021751 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC021751
cinnamomum_camphora_GWHPBGXC021972 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC021972
cinnamomum_camphora_GWHPBGXC021985 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC021985
cinnamomum_camphora_GWHPBGXC022454 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC022454
cinnamomum_camphora_GWHPBGXC022633 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC022633
cinnamomum_camphora_GWHPBGXC022638 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC022638
cinnamomum_camphora_GWHPBGXC022653 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC022653
cinnamomum_camphora_GWHPBGXC022657 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC022657
cinnamomum_camphora_GWHPBGXC022683 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC022683