The alternative text for this image may have been generated using AI. Figure 2: Electron density maps showing stereo views looking into the major grooves of the B-, E-, and A-DNA structures. The ...
IN the nucleic acids, cytosine is connected to a sugar residue through N 1 of the pyrimidine ring. Here we describe the results of an X-ray diffraction analysis of crystals of N 1-methyl cytosine. The ...
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