Sorachim
Reference: FRD-201

Formaldehyde dehydrogenase

Formaldehyde dehydrogenase from Pseudomonas sp. HCHO + NAD+ + H2O ----> HCOOH + NADH + H+ 1ku This enzyme is useful for enzymatic determination of formaldehyde and of hydrogen peroxide when coupled with catalase. Note: Glutathione is not required for the catalytic reaction
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DESCRIPTION
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  • Name Formaldehyde:NAD+ oxydoreductase
  • Appearance White amorphous powder lyophilized
  • Activity GradeⅡ1.0 U/mg-solid or more (containing approx.
  • Contaminants NADH oxidase ≤1.0×10-1 %
  • Stabilizers Mg2+ Ca2+ bovine serum albumin, glycine, lysine
  • Stability Stable at -20℃ for at least one year
  • Molecular weight approx. 150,000 (by gel filtration)
  • Isoelectric point 5.25
  • Michaelis constants 8.0×10-5M (HCHO), 1.2×10-4M (NAD+)
  • Structure 2 subunits (75,000) per mol of enzyme
  • Inhibitors Chelating agents, Ni2+, Cd2+, Hg2+, PCMB, ionicdetergents
  • Optimum pH 9.0
  • Optimum temperature 40℃
  • pH Stability pH 8.0-10.0 (30℃, 16hr)
  • Thermal stability below 40℃ (pH 7.5, 30min)
  • EC # 1.2.1.46

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