大鼠骨骼肌中丙酮酸合成磷酸烯醇式丙酮酸[磷酸烯醇磷酸的校正] 。
Synthesis of phosphoenolpyruvate [correction of phosphoenolphosphate] from pyruvate in rat skeletal muscle.
作者信息
Brodal B, Hjelle K
机构信息
Department of Physiology and Biochemistry, Faculty of Dentistry, University of Oslo, Norway.
出版信息
Int J Biochem. 1990;22(7):753-8. doi: 10.1016/0020-711x(90)90011-q.
PMID:2401376
Abstract
- The activity of pyruvate kinase, malic enzyme, phosphoenolpyruvate carbonoxykinase and pyruvate carboxylase was measured in muscle tissue. 2. The enzyme assays were critically evaluated. 3. Muscle tissue possesses at the most only residual activities of pyruvate carboxylase and PEP carboxykinase. 4. The pyruvate kinase activity was significantly lowered after a 24 hr fast. 5. Malic enzyme activity was increased after the fast.
摘要
- 在肌肉组织中测量了丙酮酸激酶、苹果酸酶、磷酸烯醇丙酮酸羧激酶和丙酮酸羧化酶的活性。2. 对酶分析进行了严格评估。3. 肌肉组织中丙酮酸羧化酶和磷酸烯醇丙酮酸羧激酶最多仅具有残余活性。4. 禁食24小时后，丙酮酸激酶活性显著降低。5. 禁食后苹果酸酶活性增加。
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