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
SQS/FDFT14389 SQE4569 CAS35857
Product
Cycloartenol
C30H50O
tetracyclic sterol nucleus with cyclopropyl side
SQS/SQE/CAS convert FPP-derived linear triterpenes into the plant sterol core.
Brassinosteroid Branch
Lineage Distribution
Assignments under this module are distributed across the following plant lineages.
All Lineages Algae (569) Bryophytes (5698) Lycophytes/Ferns (189) Gymnosperms (791) Basal angiosperms (1411) Monocots (17019) Eudicots (61245)
Algae
Hits569
Bryophytes
Hits5698
Lycophytes/Ferns
Hits189
Gymnosperms
Hits791
Basal angiosperms
Hits1411
Monocots
Hits17019
Eudicots
Hits61245
Species Distribution
Hordeum vulgare
Triticum turgidum
Aegilops tauschii
Fragaria ananassa
Triticum aestivum
Panicum virgatum
Prunus domestica
Camelina sativa
Avena sativa
Brassica carinata
Lineage Summary
Algae
569
Bryophytes
5698
Lycophytes/Ferns
189
Gymnosperms
791
Basal angiosperms
1411
Monocots
17019
Eudicots
61245
Module Gene List
GeneSpeciesProtein ID
alnus_rubra_ALNRU00034967-RA alnus_rubra alnus_rubra_ALNRU00034967-RA
alnus_rubra_ALNRU00034975-RA alnus_rubra alnus_rubra_ALNRU00034975-RA
alnus_rubra_ALNRU00035364-RA alnus_rubra alnus_rubra_ALNRU00035364-RA
alnus_rubra_ALNRU00035809-RA alnus_rubra alnus_rubra_ALNRU00035809-RA
alnus_rubra_ALNRU00038160-RA alnus_rubra alnus_rubra_ALNRU00038160-RA
alnus_rubra_ALNRU00038244-RA alnus_rubra alnus_rubra_ALNRU00038244-RA
alnus_rubra_ALNRU00038274-RA alnus_rubra alnus_rubra_ALNRU00038274-RA
alnus_rubra_ALNRU00039890-RA alnus_rubra alnus_rubra_ALNRU00039890-RA
alnus_rubra_ALNRU00041657-RA alnus_rubra alnus_rubra_ALNRU00041657-RA
alnus_rubra_ALNRU00041669-RA alnus_rubra alnus_rubra_ALNRU00041669-RA
alnus_rubra_ALNRU00041694-RA alnus_rubra alnus_rubra_ALNRU00041694-RA
alnus_rubra_ALNRU00042204-RA alnus_rubra alnus_rubra_ALNRU00042204-RA
alnus_rubra_ALNRU00045783-RA alnus_rubra alnus_rubra_ALNRU00045783-RA
alnus_rubra_ALNRU00046739-RA alnus_rubra alnus_rubra_ALNRU00046739-RA
alnus_rubra_ALNRU00054242-RA alnus_rubra alnus_rubra_ALNRU00054242-RA
alnus_rubra_ALNRU00054244-RA alnus_rubra alnus_rubra_ALNRU00054244-RA
alnus_rubra_ALNRU00054246-RA alnus_rubra alnus_rubra_ALNRU00054246-RA
alnus_rubra_ALNRU00054255-RA alnus_rubra alnus_rubra_ALNRU00054255-RA
alnus_rubra_ALNRU00054264-RA alnus_rubra alnus_rubra_ALNRU00054264-RA
alnus_rubra_ALNRU00054265-RA alnus_rubra alnus_rubra_ALNRU00054265-RA
alnus_rubra_ALNRU00054443-RA alnus_rubra alnus_rubra_ALNRU00054443-RA
alnus_rubra_ALNRU00054907-RA alnus_rubra alnus_rubra_ALNRU00054907-RA
alnus_rubra_ALNRU00055180-RA alnus_rubra alnus_rubra_ALNRU00055180-RA
alnus_rubra_ALNRU00055762-RA alnus_rubra alnus_rubra_ALNRU00055762-RA
alnus_rubra_ALNRU00059967-RA alnus_rubra alnus_rubra_ALNRU00059967-RA
alnus_rubra_ALNRU00063634-RA alnus_rubra alnus_rubra_ALNRU00063634-RA
alnus_rubra_ALNRU00064325-RA alnus_rubra alnus_rubra_ALNRU00064325-RA
alnus_rubra_ALNRU00065523-RA alnus_rubra alnus_rubra_ALNRU00065523-RA
alnus_rubra_ALNRU00065532-RA alnus_rubra alnus_rubra_ALNRU00065532-RA
alnus_rubra_ALNRU00065547-RA alnus_rubra alnus_rubra_ALNRU00065547-RA