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: Monocots. All species, family, module, and gene statistics below have been narrowed to this lineage.
Lineage Summary
Module Gene List
Reset
GeneSpeciesProtein ID
acorus_gramineus_AGRA_00918 acorus_gramineus acorus_gramineus_AGRA_00918
acorus_gramineus_AGRA_01244 acorus_gramineus acorus_gramineus_AGRA_01244
acorus_gramineus_AGRA_01355 acorus_gramineus acorus_gramineus_AGRA_01355
acorus_gramineus_AGRA_01356 acorus_gramineus acorus_gramineus_AGRA_01356
acorus_gramineus_AGRA_01361 acorus_gramineus acorus_gramineus_AGRA_01361
acorus_gramineus_AGRA_01383 acorus_gramineus acorus_gramineus_AGRA_01383
acorus_gramineus_AGRA_02148 acorus_gramineus acorus_gramineus_AGRA_02148
acorus_gramineus_AGRA_02733 acorus_gramineus acorus_gramineus_AGRA_02733
acorus_gramineus_AGRA_03180 acorus_gramineus acorus_gramineus_AGRA_03180
acorus_gramineus_AGRA_03257 acorus_gramineus acorus_gramineus_AGRA_03257
acorus_gramineus_AGRA_03286 acorus_gramineus acorus_gramineus_AGRA_03286
acorus_gramineus_AGRA_03287 acorus_gramineus acorus_gramineus_AGRA_03287
acorus_gramineus_AGRA_03476 acorus_gramineus acorus_gramineus_AGRA_03476
acorus_gramineus_AGRA_03952 acorus_gramineus acorus_gramineus_AGRA_03952
acorus_gramineus_AGRA_04022 acorus_gramineus acorus_gramineus_AGRA_04022
acorus_gramineus_AGRA_04263 acorus_gramineus acorus_gramineus_AGRA_04263
acorus_gramineus_AGRA_05013 acorus_gramineus acorus_gramineus_AGRA_05013
acorus_gramineus_AGRA_05659 acorus_gramineus acorus_gramineus_AGRA_05659
acorus_gramineus_AGRA_05670 acorus_gramineus acorus_gramineus_AGRA_05670
acorus_gramineus_AGRA_05671 acorus_gramineus acorus_gramineus_AGRA_05671
acorus_gramineus_AGRA_06395 acorus_gramineus acorus_gramineus_AGRA_06395
acorus_gramineus_AGRA_06496 acorus_gramineus acorus_gramineus_AGRA_06496
acorus_gramineus_AGRA_07400 acorus_gramineus acorus_gramineus_AGRA_07400
acorus_gramineus_AGRA_07936 acorus_gramineus acorus_gramineus_AGRA_07936
acorus_gramineus_AGRA_08237 acorus_gramineus acorus_gramineus_AGRA_08237
acorus_gramineus_AGRA_08241 acorus_gramineus acorus_gramineus_AGRA_08241
acorus_gramineus_AGRA_08690 acorus_gramineus acorus_gramineus_AGRA_08690
acorus_gramineus_AGRA_09497 acorus_gramineus acorus_gramineus_AGRA_09497
acorus_gramineus_AGRA_10223 acorus_gramineus acorus_gramineus_AGRA_10223
acorus_gramineus_AGRA_10306 acorus_gramineus acorus_gramineus_AGRA_10306