PlantSME Plant secondary metabolism enzyme database
Terpenoid portable pathway

Terpenoid portable pathway

Terpenoid pathway definition imported from the 2026-05-17 portable BLAST/HMM package.

Representative Terpenoid Reaction Route
MVA/MEP precursor branches to triterpenoid scaffolds, terpene scaffolds, and tailoring. Terpenoids draw IPP/DMAPP from MVA and MEP branches before prenyl extension and TPS branching; SQS/SQE/OSC form a triterpenoid/sterol precursor layer whose overlap with the steroid library is expected.
6 curated steps/modules
MVA And MEP Precursor Supply
01
Substrate
Acetyl-CoA
C23H38N7O17P3S
CH3-C(=O)-SCoA
Acetyl-CoA to IPP through the mevalonate branch
Product
Isopentenyl diphosphate
C5H12O7P2
CH2=C(CH3)-CH2-CH2-OPP
The MVA branch supplies isoprene units for sesquiterpenoid, triterpenoid, and sterol-related metabolism.
02
Substrate
Pyruvate + glyceraldehyde-3-phosphate
C3 + C3 phosphates
CH3-CO-COO- + OHC-CHOH-CH2O-P
Pyruvate/G3P to IPP/DMAPP through the MEP branch
Product
IPP/DMAPP
C5H12O7P2
C5 isoprenyl diphosphates
The MEP branch mainly supplies precursors for monoterpenes, diterpenes, and plastidial terpenoids.
Prenyl Extension, Scaffold Formation, And Tailoring
03
Substrate
IPP/DMAPP
C5H12O7P2
C5 isoprenyl diphosphates
Isomerization and prenyl diphosphate extension
Product
GPP/FPP/GGPP
C10/C15/C20 diphosphates
prenyl-(C5)n-OPP
IDI and prenyltransferases generate GPP/FPP/GGPP substrates for TPS enzymes.
04
Substrate
FPP/squalene/2,3-oxidosqualene
C15/C30 precursors
linear isoprenoid precursor
Triterpenoid/sterol precursor scaffold formation
Product
Triterpenoid/sterol precursor scaffolds
C30 scaffolds
cyclized triterpenoid scaffold
SQS, SQE, and OSC-family enzymes convert FPP-derived linear triterpenoid precursors into oxidosqualene cyclization products, forming a shared upstream layer for triterpenoid and sterol contexts.
05
Substrate
Prenyl diphosphates
C10/C15/C20
allylic polyisoprenyl-OPP
Terpene scaffold cyclization/rearrangement
Product
Terpene scaffolds
C10/C15/C20 hydrocarbons
cyclic/acyclic isoprenoid skeletons
TPS enzymes form terpene carbon scaffolds and act as central diversification points.
06
Substrate
Terpene scaffolds
C10-C20
isoprenoid hydrocarbon/oxygenated skeleton
Oxidation, glycosylation, and acylation tailoring
Product
Tailored terpenoids
oxygenated/glycosylated/acylated terpenoids
terpene-OH / terpene-O-Glc / terpene-O-acyl
CYP/UGT/BAHD tailoring shapes polarity, storage form, and functional diversity of terpenoid products.
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.
Module Gene List
Reset
GeneSpeciesProtein ID
AtriAmTr_v1.0_scaffold009990260880.1 amborella_trichopoda AtriAmTr_v1.0_scaffold009990260880.1
AtriAmTr_v1.0_scaffold010040260900.1 amborella_trichopoda AtriAmTr_v1.0_scaffold010040260900.1
AtriAmTr_v1.0_scaffold010040260910.1 amborella_trichopoda AtriAmTr_v1.0_scaffold010040260910.1
AtriAmTr_v1.0_scaffold010960261150.1 amborella_trichopoda AtriAmTr_v1.0_scaffold010960261150.1
AtriAmTr_v1.0_scaffold012180261490.1 amborella_trichopoda AtriAmTr_v1.0_scaffold012180261490.1
AtriAmTr_v1.0_scaffold014630262000.1 amborella_trichopoda AtriAmTr_v1.0_scaffold014630262000.1
AtriAmTr_v1.0_scaffold016800262400.1 amborella_trichopoda AtriAmTr_v1.0_scaffold016800262400.1
AtriAmTr_v1.0_scaffold018310262680.1 amborella_trichopoda AtriAmTr_v1.0_scaffold018310262680.1
AtriAmTr_v1.0_scaffold019870262930.1 amborella_trichopoda AtriAmTr_v1.0_scaffold019870262930.1
AtriAmTr_v1.0_scaffold023780263620.1 amborella_trichopoda AtriAmTr_v1.0_scaffold023780263620.1
AtriAmTr_v1.0_scaffold024790263810.1 amborella_trichopoda AtriAmTr_v1.0_scaffold024790263810.1
AtriAmTr_v1.0_scaffold027640264290.1 amborella_trichopoda AtriAmTr_v1.0_scaffold027640264290.1
AtriAmTr_v1.0_scaffold029250264550.1 amborella_trichopoda AtriAmTr_v1.0_scaffold029250264550.1
AtriAmTr_v1.0_scaffold029860264620.1 amborella_trichopoda AtriAmTr_v1.0_scaffold029860264620.1
AtriAmTr_v1.0_scaffold033140265100.1 amborella_trichopoda AtriAmTr_v1.0_scaffold033140265100.1
AtriAmTr_v1.0_scaffold035880265620.1 amborella_trichopoda AtriAmTr_v1.0_scaffold035880265620.1
AtriAmTr_v1.0_scaffold037030265770.1 amborella_trichopoda AtriAmTr_v1.0_scaffold037030265770.1
AtriAmTr_v1.0_scaffold040660266330.1 amborella_trichopoda AtriAmTr_v1.0_scaffold040660266330.1
AtriAmTr_v1.0_scaffold040750266360.1 amborella_trichopoda AtriAmTr_v1.0_scaffold040750266360.1
annona_cherimola_Anche102Chr1g0000440.1 annona_cherimola annona_cherimola_Anche102Chr1g0000440.1
annona_cherimola_Anche102Chr1g0001420.1 annona_cherimola annona_cherimola_Anche102Chr1g0001420.1
annona_cherimola_Anche102Chr1g0001920.1 annona_cherimola annona_cherimola_Anche102Chr1g0001920.1
annona_cherimola_Anche102Chr1g0001940.1 annona_cherimola annona_cherimola_Anche102Chr1g0001940.1
annona_cherimola_Anche102Chr1g0001950.1 annona_cherimola annona_cherimola_Anche102Chr1g0001950.1
annona_cherimola_Anche102Chr1g0001970.1 annona_cherimola annona_cherimola_Anche102Chr1g0001970.1
annona_cherimola_Anche102Chr1g0001980.1 annona_cherimola annona_cherimola_Anche102Chr1g0001980.1
annona_cherimola_Anche102Chr1g0004630.1 annona_cherimola annona_cherimola_Anche102Chr1g0004630.1
annona_cherimola_Anche102Chr1g0004840.1 annona_cherimola annona_cherimola_Anche102Chr1g0004840.1
annona_cherimola_Anche102Chr1g0004910.1 annona_cherimola annona_cherimola_Anche102Chr1g0004910.1
annona_cherimola_Anche102Chr1g0004960.1 annona_cherimola annona_cherimola_Anche102Chr1g0004960.1