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
acer_truncatum_Atru.chr12.1337 acer_truncatum acer_truncatum_Atru.chr12.1337
acer_truncatum_Atru.chr12.1357 acer_truncatum acer_truncatum_Atru.chr12.1357
acer_truncatum_Atru.chr12.1430 acer_truncatum acer_truncatum_Atru.chr12.1430
acer_truncatum_Atru.chr12.1431 acer_truncatum acer_truncatum_Atru.chr12.1431
acer_truncatum_Atru.chr12.1435 acer_truncatum acer_truncatum_Atru.chr12.1435
acer_truncatum_Atru.chr12.1446 acer_truncatum acer_truncatum_Atru.chr12.1446
acer_truncatum_Atru.chr12.1469 acer_truncatum acer_truncatum_Atru.chr12.1469
acer_truncatum_Atru.chr12.1752 acer_truncatum acer_truncatum_Atru.chr12.1752
acer_truncatum_Atru.chr12.1762 acer_truncatum acer_truncatum_Atru.chr12.1762
acer_truncatum_Atru.chr12.1825 acer_truncatum acer_truncatum_Atru.chr12.1825
acer_truncatum_Atru.chr12.1860 acer_truncatum acer_truncatum_Atru.chr12.1860
acer_truncatum_Atru.chr12.1866 acer_truncatum acer_truncatum_Atru.chr12.1866
acer_truncatum_Atru.chr12.456 acer_truncatum acer_truncatum_Atru.chr12.456
acer_truncatum_Atru.chr12.478 acer_truncatum acer_truncatum_Atru.chr12.478
acer_truncatum_Atru.chr12.726 acer_truncatum acer_truncatum_Atru.chr12.726
acer_truncatum_Atru.chr12.727 acer_truncatum acer_truncatum_Atru.chr12.727
acer_truncatum_Atru.chr13.214 acer_truncatum acer_truncatum_Atru.chr13.214
acer_truncatum_Atru.chr13.2267.2 acer_truncatum acer_truncatum_Atru.chr13.2267.2
acer_truncatum_Atru.chr13.851 acer_truncatum acer_truncatum_Atru.chr13.851
acer_truncatum_Atru.chr13.853 acer_truncatum acer_truncatum_Atru.chr13.853
acer_truncatum_Atru.chr13.878 acer_truncatum acer_truncatum_Atru.chr13.878
acer_truncatum_Atru.chr2.1566 acer_truncatum acer_truncatum_Atru.chr2.1566
acer_truncatum_Atru.chr2.2133 acer_truncatum acer_truncatum_Atru.chr2.2133
acer_truncatum_Atru.chr2.2134 acer_truncatum acer_truncatum_Atru.chr2.2134
acer_truncatum_Atru.chr2.2138_Atru.chr2.2139_Atru.chr2.2141 acer_truncatum acer_truncatum_Atru.chr2.2138_Atru.chr2.2139_Atru.chr2.2141
acer_truncatum_Atru.chr2.2140 acer_truncatum acer_truncatum_Atru.chr2.2140
acer_truncatum_Atru.chr2.2144 acer_truncatum acer_truncatum_Atru.chr2.2144
acer_truncatum_Atru.chr2.245 acer_truncatum acer_truncatum_Atru.chr2.245
acer_truncatum_Atru.chr2.249 acer_truncatum acer_truncatum_Atru.chr2.249
acer_truncatum_Atru.chr2.3109_Atru.chr2.3098 acer_truncatum acer_truncatum_Atru.chr2.3109_Atru.chr2.3098