نتایج جستجو برای: crystallographic structure

تعداد نتایج: 1578051  

Journal: :Proceedings of the National Academy of Sciences 1989

2013
Elnaz Ghadimi Hazem Eimar Benedetto Marelli Showan N Nazhat Masoud Asgharian Hojatollah Vali Faleh Tamimi

In previous studies, we showed that the size of apatite nanocrystals in tooth enamel can influence its physical properties. This important discovery raised a new question; which factors are regulating the size of these nanocrystals? Trace elements can affect crystallographic properties of synthetic apatite, therefore this study was designed to investigate how trace elements influence enamel's c...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2006
Joseph P R O Orgel Thomas C Irving Andrew Miller Tim J Wess

The fibrous collagens are ubiquitous in animals and form the structural basis of all mammalian connective tissues, including those of the heart, vasculature, skin, cornea, bones, and tendons. However, in comparison with what is known of their production, turnover and physiological structure, very little is understood regarding the three-dimensional arrangement of collagen molecules in naturally...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2008

Journal: :Journal of the American Chemical Society 2010

Journal: :Acta crystallographica. Section D, Biological crystallography 2001
P R Kuser L Franzoni E Ferrari A Spisni I Polikarpov

Major urinary proteins belong to the lipocalin family and are present in the urine of rodents as an ensemble of isoforms with pheromonal activity. The crystal structure of a recombinant mouse MUP (rMUP) was solved by the molecular-replacement technique and refined to an R factor and R(free) of 20 and 26.5%, respectively, at 1.75 A resolution. The structure was compared with an NMR model and wit...

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