极端嗜盐细菌的核酸酶学。深红嗜盐杆菌多核苷酸磷酸化酶。
Nucleic acid enzymology of extremely halophilic bacteria. Halobacterium cutirubrum polynucleotide phosphorylase.
作者信息
Peterkin P I, Fitt P S
出版信息
Biochem J. 1971 Feb;121(4):613-20. doi: 10.1042/bj1210613.
Abstract
- Polynucleotide phosphorylase was purified 200-fold from Halobacterium cutirubrum. 2. It is membrane-associated and can be solubilized by sonication. 3. The purified enzyme requires a high ionic strength for both stability and activity. 4. It is Mn(2+)-dependent, has all three typical polynucleotide phosphorylase activities and is specific for nucleoside diphosphates. 5. The enzyme is of low molecular weight.
摘要
- 多核苷酸磷酸化酶从深红嗜盐菌中纯化了200倍。2. 它与膜相关，可通过超声处理使其溶解。3. 纯化后的酶在稳定性和活性方面都需要高离子强度。4. 它依赖于锰离子，具有所有三种典型的多核苷酸磷酸化酶活性，且对核苷二磷酸具有特异性。5. 该酶分子量较低。
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