Sandbox Reserved 192: Difference between revisions
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=='''History'''== | =='''History'''== | ||
RNase A has been used as a foundation enzyme for study. The 1972 Nobel Prize in Chemistry was awarded to three researchers for their work with RNase A | RNase A has been used as a foundation enzyme for study. The 1972 Nobel Prize in Chemistry was awarded to three researchers for their work with RNase A on the folding of chains in RNase A and the stability of RNase A. By mutating the residues of RNase A using site-directed mutagenesis [http://en.wikipedia.org/wiki/Site-directed_mutagenesis], the effects of these mutations were more visibly analyzed with advances in analytical chemistry instrumentation and techniques. RNase A was the first enzyme and third protein for which its amino acid sequence was correctly determined and the third enzyme and fourth protein whose three-dimensional structure was determined by X-ray diffraction analysis. NMR spectroscopy [http://en.wikipedia.org/wiki/NMR_spectroscopy] and Fourier transform infrared (FTIR) spectroscopy [http://en.wikipedia.org/wiki/Fourier_transform_infrared_spectroscopy] also were used with RNase A to describe protein structure and protein folding. | ||
=='''Medical Implications'''== | =='''Medical Implications'''== |