镁-三磷酸腺苷三元复合物的微量热研究
Microcalorimetric study of magnesium-adenosine triphosphate ternary complex.
作者信息
Sari J C, Hadida M, Chauvet-Monges A M, Crevat A
出版信息
J Bioenerg Biomembr. 1982 Jun;14(3):171-9. doi: 10.1007/BF00745018.
PMID:6980221
Abstract
Using an original microcalorimetric method, the existence of the Mg2ATP ternary chelate has been studied. The thermodynamic parameters of this complex are delta H = 7.2 +/- 0.5 kJ mole-1 and K = 49 +/- 9 M-1. These values are compared with those previously obtained for binary chelate Mg ATP2-. A possible regulation role of Mg2ATP is discussed.
摘要
采用一种原创的微量量热法，对Mg2ATP三元螯合物的存在进行了研究。该配合物的热力学参数为ΔH = 7.2±0.5 kJ·mol-1，K = 49±9 M-1。将这些值与先前获得的二元螯合物MgATP2-的值进行了比较。讨论了Mg2ATP可能的调节作用。
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