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Literature summary for 1.4.3.22 extracted from

  • Delhaize, E.; Webb, J.
    Purification and characterization of diamine oxidase from clover leaves (1987), Phytochemistry, 26, 641-643.
No PubMed abstract available

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.019
-
cadaverine
-
Trifolium subterraneum
0.038
-
putrescine
-
Trifolium subterraneum
0.074
-
spermidine
-
Trifolium subterraneum

Metals/Ions

Metals/Ions Comment Organism Structure
copper 0.063% i.e. 1.5 copper atoms per dimer Trifolium subterraneum

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
80000
-
2 * 80000, gel electrophoresis under denaturing conditions Trifolium subterraneum
150000
-
gel filtration Trifolium subterraneum

Organism

Organism UniProt Comment Textmining
Trifolium subterraneum
-
clover
-

Purification (Commentary)

Purification (Comment) Organism
3 isoenzymes Trifolium subterraneum

Source Tissue

Source Tissue Comment Organism Textmining
leaf young folded leaves of clover Trifolium subterraneum
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
66
-
-
Trifolium subterraneum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
cadaverine + H2O + O2
-
Trifolium subterraneum 5-aminopentanal + NH3 + H2O2
-
r
putrescine + H2O + O2
-
Trifolium subterraneum 4-aminobutanal + NH3 + H2O2
-
r
RCH2NH2 + H2O + O2
-
Trifolium subterraneum RCHO + NH3 + H2O2
-
?
spermidine + H2O + O2
-
Trifolium subterraneum ?
-
r

Subunits

Subunits Comment Organism
dimer 2 * 80000, gel electrophoresis under denaturing conditions Trifolium subterraneum

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
7 8 putrescine Trifolium subterraneum

Cofactor

Cofactor Comment Organism Structure
additional information presence of one carbonyl group per enzyme dimer Trifolium subterraneum