Ligand 4-phenylenediamine

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Basic Ligand Information

Molecular Structure
Picture of 4-phenylenediamine (click for magnification)
Molecular Formula
BRENDA Name
InChIKey
C6H8N2
4-phenylenediamine
WZCQRUWWHSTZEM-UHFFFAOYSA-N
Synonyms:
1,3-benzenediamine, 1,3-phenylenediamine, 3-phenylendiamine, m-phenyldiamine, m-phenylenediamine, m-phenylene diamine

Roles as Enzyme Ligand

Substrate in Enzyme-catalyzed Reactions (7 results)

EC NUMBER
REACTION
REACTION DIAGRAM
LITERATURE
ENZYME 3D STRUCTURE
4-phenylenediamine + O2 = ?
show the reaction diagram
-
4-phenylenediamine + H2O2 = oxidized 4-phenylenediamine + H2O
show the reaction diagram
-
thiamine + m-phenylene diamine = 4-methyl-5-(2-hydroxyethyl)-thiazole + [(4-amino-2-methylpyrimidin-5-yl)methyl]-N-(3-aminophenyl)amine
show the reaction diagram
-

Inhibitor in Enzyme-catalyzed Reactions (2 results)

EC NUMBER
COMMENTARY
LITERATURE
ENZYME 3D STRUCTURE
0.05 mM, 93% inhibition, mechanism-based inactivator, ammonia enhances the rate of inactivation
-
competitive vs. cadaverine
-

Enzyme Kinetic Parameters

kcat Value (Turnover Number) (1 result)

EC NUMBER
TURNOVER NUMBER [1/S]
TURNOVER NUMBER MAXIMUM [1/S]
COMMENTARY
LITERATURE
0.48
-
pH 5, 20°C

KM Value (8 results)

EC NUMBER
KM VALUE [MM]
KM VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
1.7
-
-

Ki Value (1 result)

EC NUMBER
KI VALUE [MM]
KI VALUE MAXIMUM [MM]
COMMENTARY
LITERATURE
10
-
-

References & Links

Links to other databases for 4-phenylenediamine

ChEBI
PubChem
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PubChem