Recently scientists have contrived the alternative system to get known the structure of protein, that is x-ray analysis. In general, x-ray crystallography comprises protein crystallography as a small, but very important part. The protein is such a compound substance which has ternary structure, but it's found out just after the research of the secondary structure of protein. On the basis of x-ray crystallography the quaternary texture of protein can be described. The capability of protein texture determination depends from lots of different factors. Folding of protein is the main structural feature of protein molecule. Nowadays many scientists try to carry out the complex research of the proteins. They have already tested scientifically that all the necessary data of protein can be found in its primary structure or in protein sequence. When the basis of protein is fully researched, there will be an opportunity to define lots of different properties of protein as classification of protein, protein functions and others and just learn more about function of protein. Even having got a up-to-date technologies and superb devices the basic problem is not solved. Today no one can clarify the relations between the structure of protein and its primary texture. Peptide is the independent sort of the proteins that for that problem has been already resolved. The description of peptides is a well-studied demesne. Thanks to the new technologies we have a opportunity to perform the peptide synthesis operation.

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