作者: Vera A. Borzova , Kira A. Markossian , Dmitriy A. Kara , Natalia A. Chebotareva , Valentina F. Makeeva
DOI: 10.1371/JOURNAL.PONE.0074367
关键词: Arginine 、 Ultracentrifuge 、 Chemical chaperone 、 Genetics 、 Bovine serum albumin 、 Protein quaternary structure 、 Dithiothreitol 、 Chemistry 、 Protein aggregation 、 Plasma protein binding 、 Chromatography 、 General Biochemistry, Genetics and Molecular Biology 、 General Agricultural and Biological Sciences 、 General Medicine
摘要: The methodology for quantification of the anti-aggregation activity protein and chemical chaperones has been elaborated. applicability this was demonstrated using a test-system based on dithiothreitol-induced aggregation bovine serum albumin at 45°C as an example. Methods calculating initial rate (vagg) have discussed. comparison dependences vagg concentrations intact cross-linked α-crystallin allowed us to make conclusion that non-linear character dependence concentration due dynamic mobility quaternary structure polydispersity α-crystallin–target complexes. To characterize (arginine, arginine ethyl ester, amide proline), semi-saturation [L]0.5 used. Among studied, ester reveal highest ([L]0.5 = 53 58 mM, respectively).