منابع مشابه
Do membrane proteins cluster without binding between molecules?
Clustering is a basic event for the initiation of immune cell responses, and simulation analyses of clustering of membrane proteins have been performed. It was claimed that a cluster is formed by the self-assembly induced by protein dimerization with a high binding speed (Woolf and Linderman, Biophys. Chem. 104, 217-227, 2003). We examined the cluster formation with Monte Carlo simulation using...
متن کاملChanges of acute-phase proteins during different phases of the estrous cycle in Ovsynch-synchronized Holstein cows
Background: Acute-phase proteins (APPs) may be increased due to different stresses during estrus phase in farm animals. Aims: Determining changes of APPs at different phases of non-synchronized estrous cycle group (NSEG), and Ovsynch-synchronized estrous cycle group (SEG) in Holstein cows. Methods: Twelve non-pregnant clinically and paraclinicaly healthy Holstein cows with a body condition scor...
متن کاملThe Extractability of Inner-Membrane Proteins from Salmonella typhimurium Intact Cells, Spheroplasts and Inner-Membrane Fragments by Non-Denaturing Detergents
The effect of Triton X-100, Na cholate and Tween 80 on the solubilization of integral membrane proteins in intact cells, spheroplasts and inner-membrane fragments of Salmonella typhimurium was studied. The detergents were used in various concentrations (1.6 to 64 mM) and cytochromes b and d were used as marker to monitor the solubilization of membrane-bound proteins. Results showed that no inne...
متن کاملFouling Mechanism Study of Nanoporous Membrane by Ultrafitration of Whey Proteins
One of the barriers during whey filtration using UF membrane is the fouling phenomenon of the membrane, which is caused by whey proteins. In this work, the UF membranes were prepared using polysufone (PSf), dimethyl formamide (DMF), 1 wt.% poly vinyl pyrrolidone (PVP) and different concentrations of LiCl via phase inversion induced by immersion precipitation. The prepared membranes were charact...
متن کاملTopology of Membrane Proteins
Integral membrane proteins play important roles in living cells. Due to difficulties of experimental techniques, theoretical approaches, i.e., topology prediction methods, are important for structure determination of this class of proteins. Here we show a detailed comparison of transmembrane topology prediction methods. According to this comparison, we conclude that the topology of integral mem...
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ژورنال
عنوان ژورنال: Physical Review E
سال: 2008
ISSN: 1539-3755,1550-2376
DOI: 10.1103/physreve.77.011905