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1.
Biull Eksp Biol Med ; 79(1): 34-6, 1975 Jan.
Artigo em Russo | MEDLINE | ID: mdl-234259

RESUMO

Methods of isolation of NAD-glucohydrolase from the fraction of heart microsomes were searched for. NAD-glucohydrolase proved to pass into a soluble state under the effect of phospholipase A, triton X-100 and Na cholate. NAD-glucohydrolase was found to possess peculiar properties; it reversibly became denatured under the effect of 6M urea, but failed to become inactivated with own substrate (NAD) at pH 8.0. In case of NAD-ases isolated from other sources the reversible denaturation by means of urea as a rule correlated with the enzyme inactivation in the presence of NAD at pH 8.0.


Assuntos
Microssomos/enzimologia , Miocárdio/ultraestrutura , N-Glicosil Hidrolases , Animais , Catálise , Ácidos Cólicos , Glucose , Concentração de Íons de Hidrogênio , Miocárdio/enzimologia , N-Glicosil Hidrolases/isolamento & purificação , NAD , Fosfolipases , Polietilenoglicóis , Desnaturação Proteica , Coelhos , Sódio , Solubilidade , Ureia
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