N-Acetylation of the Anthrax Allergen,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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The purpose of this work was conducting of the specific blocking of the NH2-groups of anthrax allergen and the study of the interrelation of the latter with the biological activity of a preparation. N-acetylation by acetic anhydride was conducted. Since the specific activity of anthrax allergen after acetylation did not change, although in this case about 70 of NH2-groups was blocked and about 40 of indole groups modified, it may be concluded that the activity of the allergen was not connected with amino- and indole groups.