[来自抗生链霉菌N4的部分纯化ATP脱氨酶的性质]
[Properties of partially purified ATP desaminase from Actinomyces N4 antibioticus].
作者信息
Maksimova L F
出版信息
Vopr Med Khim. 1975 May-Jun;21(3):239-42.
PMID:1899
Abstract
Three active fractions of ATP desaminase from Actinomyces N4 of type Antibioticus were obtained by gel filtration through Sephadex G-200. Some properties of each fraction were studied: effect of pH and Mg2+, substrate specificity, effect of pH on Km. The enzyme studied could be used for preparation of ITP, IDP, IMP, inosine and hypoxantine.
摘要
通过Sephadex G - 200凝胶过滤从抗生素型放线菌N4中获得了ATP脱氨酶的三个活性组分。研究了每个组分的一些性质：pH和Mg2 +的影响、底物特异性、pH对Km的影响。所研究的酶可用于制备肌苷三磷酸（ITP）、肌苷二磷酸（IDP）、次黄嘌呤核苷酸（IMP）、肌苷和次黄嘌呤。
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