نتایج جستجو برای: rosetta
تعداد نتایج: 1746 فیلتر نتایج به سال:
Predicting protein tertiary structures by in silico folding is still very difficult for proteins that have new folds. Here, we developed a coarse-grained energy function, SimFold, for de novo structure prediction, performed a benchmark test of prediction with fragment assembly simulations for 38 test proteins, and proposed consensus prediction with Rosetta. The SimFold energy consists of many t...
Current methods for predicting protein structure depend on two interrelated components: (i) an energy function that should have a low value near the correct structure and (ii) a method for searching through different conformations of the polypeptide chain. Identification of the most efficient search methods is essential if we are to be able to apply such methods broadly and with confidence. In ...
سیستم آبیاری قطره‌ای یکی از موثرترین راهکارها برای افزایش بهره‌وری و استفاده بهینه از منابع آب موجود می‌باشد. درک توانایی‌های کامل روش‌های آبیاری قطره‌ای نیازمند بهینه‌سازی پارامترهای در دسترس می‌باشد. مهمترین این پارامترها شامل دور، شدت و زمان آبیاری می‌باشند. در آبیاری زیر سطحی نیز با حذف تبخیر از سطح خاک مقدار مصرف آب کاهش می‌یابد. در این راستا مدل‌های عددی با صرفه جویی در زمان و هزینه به من...
We describe predictions made using the Rosetta structure prediction methodology for the Eighth Critical Assessment of Techniques for Protein Structure Prediction. Aggressive sampling and all-atom refinement were carried out for nearly all targets. A combination of alignment methodologies was used to generate starting models from a range of templates, and the models were then subjected to Rosett...
Nearly all animals reproduce sexually through the production and fusion of sperm and egg cells, yet little is known about the ancestry of animal sexual reproduction. Moreover, the sexual cycle of the closest living relatives of animals, the choanoflagellates, remains completely unknown. The choanoflagellate Monosiga brevicollis possesses a "meiotic toolkit" of genes, but the lack of polymorphis...
An improved particle swarm optimization (IPSO) was proposed and the intelligent algorithms such as IPSO, genetic algorithm (GA), and simulated annealing algorithm (SA) were introduced to determine parameters of Van Genuchten (VG) model for soil water retention curve (SWRC) of four typical agricultural soil textures (clay, clay loam, silt loam and sand loam) in China. For comparison, the SWRC in...
Advances over the past few years have begun to enable prediction and design of macromolecular structures at near-atomic accuracy. Progress has stemmed from the development of reasonably accurate and efficiently computed all-atom potential functions as well as effective conformational sampling strategies appropriate for searching a highly rugged energy landscape, both driven by feedback from str...
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Results were previously presented [2] from real-time experiments that evaluated large FPGAs fabricated in different CMOS technologies (0.15μ, 0.13μ and 90 nanometer) for their sensitivity to radiationinduced single-event upsets. These results were compared to circuit simulation (Qcrit) studies, as well as to LANSCE neutron beam results and Crocker Nuclear Laboratory (U. C. Davis) cyclotron prot...
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