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_GWHPBGXC001125 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC001125
cinnamomum_camphora_GWHPBGXC001289 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC001289
cinnamomum_camphora_GWHPBGXC003324 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC003324
cinnamomum_camphora_GWHPBGXC003670 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC003670
cinnamomum_camphora_GWHPBGXC004214 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC004214
cinnamomum_camphora_GWHPBGXC004290 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC004290
cinnamomum_camphora_GWHPBGXC004296 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC004296
cinnamomum_camphora_GWHPBGXC004297 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC004297
cinnamomum_camphora_GWHPBGXC004300 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC004300
cinnamomum_camphora_GWHPBGXC004312 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC004312
cinnamomum_camphora_GWHPBGXC004342 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC004342
cinnamomum_camphora_GWHPBGXC004618 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC004618
cinnamomum_camphora_GWHPBGXC004622 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC004622
cinnamomum_camphora_GWHPBGXC005704 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC005704
cinnamomum_camphora_GWHPBGXC006161 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC006161
cinnamomum_camphora_GWHPBGXC006516 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC006516
cinnamomum_camphora_GWHPBGXC007815 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC007815
cinnamomum_camphora_GWHPBGXC008269 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC008269
cinnamomum_camphora_GWHPBGXC008272 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC008272
cinnamomum_camphora_GWHPBGXC008287 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC008287
cinnamomum_camphora_GWHPBGXC008301 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC008301
cinnamomum_camphora_GWHPBGXC008311 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC008311
cinnamomum_camphora_GWHPBGXC008320 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC008320
cinnamomum_camphora_GWHPBGXC008330 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC008330
cinnamomum_camphora_GWHPBGXC008340 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC008340
cinnamomum_camphora_GWHPBGXC008342 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC008342
cinnamomum_camphora_GWHPBGXC009447 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC009447
cinnamomum_camphora_GWHPBGXC009766 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC009766
cinnamomum_camphora_GWHPBGXC009767 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC009767
cinnamomum_camphora_GWHPBGXC010015 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC010015