There are a lot of methods to research the structure of protein, but the most suitable is x-ray analysis. Generally speaking, x-ray crystallography includes protein crystallography as a small, but very important part. Protein crystallography does allow describing protein secondary structure and later threefold structure of protein. Usually, on the basis of crystallography data it is possible do define the protein quaternary structure, but it is not always available. The ability of protein structure defining depends from a lot of various factors. The main properties of protein is the protein folding. Today a lot of scientists attempt to carry out the intensive research of the protein. They have already proved thoroughly that all the essential information of protein can be found in its basic structure or in protein sequence. Read the rest of this entry »