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
annona_cherimola_Anche102Chr6g0011140.1 annona_cherimola annona_cherimola_Anche102Chr6g0011140.1
annona_cherimola_Anche102Chr6g0011190.1 annona_cherimola annona_cherimola_Anche102Chr6g0011190.1
annona_cherimola_Anche102Chr6g0011960.1 annona_cherimola annona_cherimola_Anche102Chr6g0011960.1
annona_cherimola_Anche102Chr6g0011980.1 annona_cherimola annona_cherimola_Anche102Chr6g0011980.1
annona_cherimola_Anche102Chr6g0011990.1 annona_cherimola annona_cherimola_Anche102Chr6g0011990.1
annona_cherimola_Anche102Chr6g0012020.1 annona_cherimola annona_cherimola_Anche102Chr6g0012020.1
annona_cherimola_Anche102Chr6g0012040.1 annona_cherimola annona_cherimola_Anche102Chr6g0012040.1
annona_cherimola_Anche102Chr6g0012110.1 annona_cherimola annona_cherimola_Anche102Chr6g0012110.1
annona_cherimola_Anche102Chr6g0012230.1 annona_cherimola annona_cherimola_Anche102Chr6g0012230.1
annona_cherimola_Anche102Chr6g0012860.1 annona_cherimola annona_cherimola_Anche102Chr6g0012860.1
annona_cherimola_Anche102Chr6g0012870.1 annona_cherimola annona_cherimola_Anche102Chr6g0012870.1
annona_cherimola_Anche102Chr6g0012950.1 annona_cherimola annona_cherimola_Anche102Chr6g0012950.1
annona_cherimola_Anche102Chr6g0012960.1 annona_cherimola annona_cherimola_Anche102Chr6g0012960.1
annona_cherimola_Anche102Chr6g0012990.1 annona_cherimola annona_cherimola_Anche102Chr6g0012990.1
annona_cherimola_Anche102Chr6g0013000.1 annona_cherimola annona_cherimola_Anche102Chr6g0013000.1
annona_cherimola_Anche102Chr6g0013010.1 annona_cherimola annona_cherimola_Anche102Chr6g0013010.1
annona_cherimola_Anche102Chr6g0013440.1 annona_cherimola annona_cherimola_Anche102Chr6g0013440.1
annona_cherimola_Anche102Chr6g0013770.1 annona_cherimola annona_cherimola_Anche102Chr6g0013770.1
annona_cherimola_Anche102Chr6g0013880.1 annona_cherimola annona_cherimola_Anche102Chr6g0013880.1
annona_cherimola_Anche102Chr6g0013900.1 annona_cherimola annona_cherimola_Anche102Chr6g0013900.1
annona_cherimola_Anche102Chr6g0014000.1 annona_cherimola annona_cherimola_Anche102Chr6g0014000.1
annona_cherimola_Anche102Chr6g0014040.1 annona_cherimola annona_cherimola_Anche102Chr6g0014040.1
annona_cherimola_Anche102Chr6g0022050.1 annona_cherimola annona_cherimola_Anche102Chr6g0022050.1
annona_cherimola_Anche102Chr6g0022120.1 annona_cherimola annona_cherimola_Anche102Chr6g0022120.1
annona_cherimola_Anche102Chr6g0022170.1 annona_cherimola annona_cherimola_Anche102Chr6g0022170.1
annona_cherimola_Anche102Chr6g0031240.1 annona_cherimola annona_cherimola_Anche102Chr6g0031240.1
annona_cherimola_Anche102Chr6g0035790.1 annona_cherimola annona_cherimola_Anche102Chr6g0035790.1
annona_cherimola_Anche102Chr6g0036180.1 annona_cherimola annona_cherimola_Anche102Chr6g0036180.1
annona_cherimola_Anche102Chr6g0038110.1 annona_cherimola annona_cherimola_Anche102Chr6g0038110.1
annona_cherimola_Anche102Chr6g0038440.1 annona_cherimola annona_cherimola_Anche102Chr6g0038440.1