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_GWHPBGXC010078 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC010078
cinnamomum_camphora_GWHPBGXC010553 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC010553
cinnamomum_camphora_GWHPBGXC010799 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC010799
cinnamomum_camphora_GWHPBGXC010860 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC010860
cinnamomum_camphora_GWHPBGXC011345 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC011345
cinnamomum_camphora_GWHPBGXC011426 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC011426
cinnamomum_camphora_GWHPBGXC011481 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC011481
cinnamomum_camphora_GWHPBGXC011487 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC011487
cinnamomum_camphora_GWHPBGXC012039 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC012039
cinnamomum_camphora_GWHPBGXC012057 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC012057
cinnamomum_camphora_GWHPBGXC012254 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC012254
cinnamomum_camphora_GWHPBGXC012304 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC012304
cinnamomum_camphora_GWHPBGXC012629 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC012629
cinnamomum_camphora_GWHPBGXC012634 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC012634
cinnamomum_camphora_GWHPBGXC012940 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC012940
cinnamomum_camphora_GWHPBGXC013331 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC013331
cinnamomum_camphora_GWHPBGXC013340 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC013340
cinnamomum_camphora_GWHPBGXC013468 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC013468
cinnamomum_camphora_GWHPBGXC014279 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC014279
cinnamomum_camphora_GWHPBGXC014892 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC014892
cinnamomum_camphora_GWHPBGXC014923 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC014923
cinnamomum_camphora_GWHPBGXC015188 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015188
cinnamomum_camphora_GWHPBGXC015425 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015425
cinnamomum_camphora_GWHPBGXC015444 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015444
cinnamomum_camphora_GWHPBGXC015696 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015696
cinnamomum_camphora_GWHPBGXC015700 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015700
cinnamomum_camphora_GWHPBGXC015701 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015701
cinnamomum_camphora_GWHPBGXC015702 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015702
cinnamomum_camphora_GWHPBGXC015715 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015715
cinnamomum_camphora_GWHPBGXC015809 cinnamomum_camphora cinnamomum_camphora_GWHPBGXC015809