通过光子相关光谱法测量G-肌动蛋白的平移扩散常数。
Measurement of the translational diffusion constant of G-actin by photon correlation spectroscopy.
作者信息
Montague C, Rhee K W, Carlson F D
出版信息
J Muscle Res Cell Motil. 1983 Feb;4(1):95-101. doi: 10.1007/BF00711960.
PMID:6841593
Abstract
Photon correlation spectroscopic measurements on monomeric actin have yielded a translational diffusion constant of 8.13 X 10(-7) cm2 s-1 after correction for the contribution of the back-reflections of the main beam. This value corresponds to a sphere with a radius of 2.6 nm and 50% hydration, or to a prolate ellipsoid with axes 2.0 and 4.0 nm and 30% hydration.
摘要
对单体肌动蛋白进行的光子相关光谱测量，在对主光束的背反射贡献进行校正后，得到的平移扩散常数为8.13×10⁻⁷ cm² s⁻¹。该值对应于一个半径为2.6 nm且水合率为50%的球体，或对应于一个轴长分别为2.0和4.0 nm且水合率为30%的长椭球体。
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