Question

What is the persentage of non histone acidic protein

Answer 1

In chromatin, those proteins which remain after the histones have been removed, are classified as non-histone proteins. Nuclic acid mostly contain DNA being about 35% along with histone protein (These are basic proteins having amino acids such as arginine and lysine in their molecules.) which is 55%, thus forming deoxyribonucleoprotein comprising 90% of chromosome. The remaining 10% part is called residual chromosome and contains RNA 12 to 14%, DNA 2 to 3%, and residual protein 83 to 86%.
The residual protein (nonhistone proteins) is acidic in nature characterized by the preponderance of amino acids tryptophane and tyrosine.
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