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: Bryophytes. All species, family, module, and gene statistics below have been narrowed to this lineage.
Lineage Summary
Module Gene List
Reset
GeneSpeciesProtein ID
AagrOXFutg000038l0104160.1 anthoceros_agrestis_oxford AagrOXFutg000038l0104160.1
AagrOXFutg000041l0106530.1 anthoceros_agrestis_oxford AagrOXFutg000041l0106530.1
AagrOXFutg000041l0108090.1 anthoceros_agrestis_oxford AagrOXFutg000041l0108090.1
AagrOXFutg000045l0118840.1 anthoceros_agrestis_oxford AagrOXFutg000045l0118840.1
AagrOXFutg000045l0119510.1 anthoceros_agrestis_oxford AagrOXFutg000045l0119510.1
AagrOXFutg000045l0119570.1 anthoceros_agrestis_oxford AagrOXFutg000045l0119570.1
AagrOXFutg000049l0122710.1 anthoceros_agrestis_oxford AagrOXFutg000049l0122710.1
AagrOXFutg000049l0122710.2 anthoceros_agrestis_oxford AagrOXFutg000049l0122710.2
AagrOXFutg000049l0122710.3 anthoceros_agrestis_oxford AagrOXFutg000049l0122710.3
AagrOXFutg000049l0122710.4 anthoceros_agrestis_oxford AagrOXFutg000049l0122710.4
AagrOXFutg000049l0122710.5 anthoceros_agrestis_oxford AagrOXFutg000049l0122710.5
AagrOXFutg000049l0122710.6 anthoceros_agrestis_oxford AagrOXFutg000049l0122710.6
AagrOXFutg000049l0122710.7 anthoceros_agrestis_oxford AagrOXFutg000049l0122710.7
AagrOXFutg000049l0124540.1 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.1
AagrOXFutg000049l0124540.10 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.10
AagrOXFutg000049l0124540.2 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.2
AagrOXFutg000049l0124540.3 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.3
AagrOXFutg000049l0124540.4 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.4
AagrOXFutg000049l0124540.5 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.5
AagrOXFutg000049l0124540.6 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.6
AagrOXFutg000049l0124540.7 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.7
AagrOXFutg000049l0124540.8 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.8
AagrOXFutg000049l0124540.9 anthoceros_agrestis_oxford AagrOXFutg000049l0124540.9
AagrOXFutg000049l0127220.1 anthoceros_agrestis_oxford AagrOXFutg000049l0127220.1
AagrOXFutg000049l0127230.1 anthoceros_agrestis_oxford AagrOXFutg000049l0127230.1
AagrOXFutg000049l0127350.1 anthoceros_agrestis_oxford AagrOXFutg000049l0127350.1
AagrOXFutg000050l0135430.1 anthoceros_agrestis_oxford AagrOXFutg000050l0135430.1
AagrOXFutg000050l0135910.1 anthoceros_agrestis_oxford AagrOXFutg000050l0135910.1
AagrOXFutg000053l0138260.1 anthoceros_agrestis_oxford AagrOXFutg000053l0138260.1
AagrOXFutg000053l0138260.2 anthoceros_agrestis_oxford AagrOXFutg000053l0138260.2