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从冷冻视网膜中改进转导素及其α和βγ亚基的大规模纯化方法。

Improved large-scale purification of transducin, and its alpha and beta gamma subunits from frozen retinas.

作者信息

Jonas R E, Yuan C, Ebrey T G

机构信息

Center for Biophysics and Computational Biology, University of Illinois, Urbana 61801.

出版信息

Prep Biochem. 1994 Nov;24(3-4):279-88. doi: 10.1080/10826069408010099.

DOI:10.1080/10826069408010099
PMID:7831208
Abstract

The transducin heterotrimer and its alpha- and beta gamma-subunits have been purified from frozen bovine rod outer segments by modifying existing procedures. The methods described here are relatively simple and fast. The yield (ca. 8 mgs/100 retinas) and purity of the transducin heterotrimer and subunits from frozen retinas is equal to or larger than those previously obtained from fresh or frozen retinas.

摘要

通过改进现有方法,已从冷冻牛视杆细胞外段中纯化出转导素异源三聚体及其α和βγ亚基。本文所述方法相对简单且快速。从冷冻视网膜中获得的转导素异源三聚体及其亚基的产量(约8毫克/100个视网膜)和纯度与之前从新鲜或冷冻视网膜中获得的产量和纯度相当或更高。

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