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  • Activation of hydrogen peroxide to peroxytetradecanoic acid is responsible for potent inhibition of protein tyrosine phosphatase CD45.

Activation of hydrogen peroxide to peroxytetradecanoic acid is responsible for potent inhibition of protein tyrosine phosphatase CD45.

PloS one (2013-01-10)
Alicja Kuban-Jankowska, Jack A Tuszynski, Philip Winter, Magdalena Gorska, Narcyz Knap, Michal Wozniak
ABSTRACT

Hydrogen peroxide induces oxidation and consequently inactivation of many protein tyrosine phosphatases. It was found that hydrogen peroxide, in the presence of carboxylic acids, was efficiently activated to form even more potent oxidant - peroxy acid. We have found that peroxytetradecanoic acid decreases the enzymatic activity of CD45 phosphatase significantly more than hydrogen peroxide. Our molecular docking computational analysis suggests that peroxytetradecanoic acid has a higher binding affinity to the catalytic center of CD45 than hydrogen peroxide.

MATERIALS
Product Number
Brand
Product Description

Supelco
Myristic acid, Pharmaceutical Secondary Standard; Certified Reference Material
Sigma-Aldrich
Myristic acid, Sigma Grade, ≥99%
Supelco
Myristic acid, analytical standard
Sigma-Aldrich
Myristic acid, ≥95%, FCC, FG
Sigma-Aldrich
Myristic acid, natural, ≥98.5%, FG
Sigma-Aldrich
Myristic acid, ≥98.0% (GC)