Funneling pathway: vanillin II
type: Pathway
id: P00007
name: vanillin2
funneling branch: coniferyl branch
pathway component: vanillin → vanillic acid
pathway component: vanillic acid → protocatechuic acid
pathway order: BiochemicalPathwayStep
  step conversion: vanillin → vanillic acid
  reac id: R00024
  step order: 1
  next step: vanillic acid → protocatechuic acid
pathway order: BiochemicalPathwayStep
  step conversion: vanillic acid → protocatechuic acid
  reac id: R00023
  step order: 2
connections: beta-ketoadipate: Protocatechuate branch
  type: PathwayConnection
  direction: downstream
  id: P00004
  pathway type: Fission
  connecting substrate id: S00002
connections: beta-ketoadipate (all branches)
  type: PathwayConnection
  direction: downstream
  id: P00001
  pathway type: Fission
  connecting substrate id: S00002
connections: ferulic acid
  type: PathwayConnection
  direction: upstream
  id: P00005
  pathway type: Funneling
  connecting substrate id: S00021
connections: protocatechuate 4,5-cleavage
  type: PathwayConnection
  direction: upstream
  id: P00002
  pathway type: Fission
  connecting substrate id: S00002
connections: protocatechuate 2,3-cleavage
  type: PathwayConnection
  direction: upstream
  id: P00012
  pathway type: Fission
  connecting substrate id: S00002
created: 2026-02-28T10:42:00.488592+00:00
elignin note: This file is JSON-LD based on BioPAX Level 3 naming conventions. It is NOT a standards-compliant BioPAX OWL/RDF document. eLignin-specific extensions (elignin_id, connections, genes, …) are mapped to the http://www.elignindatabase.com/ontology# namespace. To convert to canonical BioPAX RDF/XML use pybiopax or a compatible RDF serialiser.

vanillin → vanillic acid
type: BiochemicalReaction
id: R00024
left: vanillin
right: vanillic acid
catalysis: Catalysis
  controller: Vanillin dehydrogenase
  controlled: vanillin → vanillic acid

vanillin
type: SmallMolecule
id: S00021
chemical formula: C8H8O3
molecular weight: 152.15
xref: UnificationXref
  db: PubChem Compound
  id: 1183
xref: UnificationXref
  db: ChEBI
  id: 18346
xref: UnificationXref
  db: KEGG Compound
  id: C00755
xref: UnificationXref
  db: CAS
  id: 121-33-5

vanillic acid
type: SmallMolecule
id: S00006
chemical formula: C8H8O4
molecular weight: 168.15
xref: UnificationXref
  db: PubChem Compound
  id: 8468
xref: UnificationXref
  db: ChEBI
  id: 30816
xref: UnificationXref
  db: KEGG Compound
  id: C06672
xref: UnificationXref
  db: CAS
  id: 121-34-6
xref: UnificationXref
  db: PubChem Compound
  id: 8468
xref: UnificationXref
  db: ChEBI
  id: 30816
xref: UnificationXref
  db: KEGG Compound
  id: C06672
xref: UnificationXref
  db: CAS
  id: 121-34-6

Vanillin dehydrogenase
type: Protein
id: E00018
EC number: 1.2.1.67

vanillic acid → protocatechuic acid
type: BiochemicalReaction
id: R00023
left: vanillic acid
right: protocatechuic acid
right: formaldehyde
catalysis: Catalysis
  controller: Vanillate monooxygenase
  controlled: vanillic acid → protocatechuic acid

protocatechuic acid
type: SmallMolecule
id: S00002
chemical formula: C7H6O4
molecular weight: 153.11
xref: UnificationXref
  db: PubChem Compound
  id: 72
xref: UnificationXref
  db: ChEBI
  id: 36062
xref: UnificationXref
  db: KEGG Compound
  id: C00230
xref: UnificationXref
  db: CAS
  id: 99-50-3

Vanillate monooxygenase
type: Protein
id: E00017
EC number: 1.14.13.82