猪磷酸果糖激酶M和L的稳定性与构象
Stability and conformation of porcine phosphofructokinase M and L.
作者信息
Uchida Y, Koyama T, Hachimori A
机构信息
Institute of High Polymer Research, Faculty of Textile Science and Technology, Shinshu University, Nagano, Japan.
出版信息
Comp Biochem Physiol B. 1990;96(2):399-404. doi: 10.1016/0305-0491(90)90395-a.
PMID:2141810
Abstract
- The inactivation of porcine liver enzyme in the presence of urea proceeded more rapidly than that of porcine heart muscle enzyme. 2. The inactivation of both enzymes by urea was protected by allosteric activators, but inhibitors had no effect. 3. The circular dichroism spectrum of liver enzyme in the near ultraviolet region was markedly affected by urea, whereas that of heart muscle enzyme was not, except for the band at 255 nm.
摘要
- 在尿素存在的情况下，猪肝酶的失活比猪心肌酶的失活进行得更快。2. 尿素对两种酶的失活都有别构激活剂的保护作用，但抑制剂没有效果。3. 除了255纳米处的吸收带外，尿素对肝酶在近紫外区域的圆二色光谱有显著影响，而对心肌酶的圆二色光谱没有影响。
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