[Isolation and characteristics of antistreptokinase antibodies from blood serum of myocardial infarct patients treated with streptokinase].

Antistreptokinase IgG (antiSK IgG) from blood of 8 patients with acute myocardial infarction that were treated by streptokinase (SK) has been investigated. AntiSK IgG contained 1.8% of total serum IgG.

[Solubilization of Mg2+-dependent Ca2+-activated ATPase of brain microsome fraction].

Mg2+-dependent Ca2+-activated ATPase (Mg2+, Ca2+-ATP-ase) of microsome fraction from grey matter of great cerebral hemispheres of cattle is activated by 0.1% solution of digitonin. Simultaneously 30-60% of initial fraction protein is extracted, respectively, with 0.