منابع مشابه
A quantitative measure of chirality inside nucleic acid databank.
We show the capability of a chirality index (Pietropaolo et al., Proteins 2008;70:667-677) to investigate nucleic acid structures because of its high sensitivity to helical conformations. By analyzing selected structures of DNA and RNA, we have found that sequences rich in cytosine and guanine have a tendency to left-handed chirality, in contrast to regions rich in adenine or thymine which show...
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A key open question in the study of life is the origin of biomolecular homochirality: almost every life-form on Earth has exclusively levorotary amino acids and dextrorotary sugars. Will the same handedness be preferred if life is found elsewhere? We review some of the pertinent literature and discuss recent results suggesting that life’s homochirality resulted from sequential chiral symmetry b...
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ژورنال
عنوان ژورنال: Nature Nanotechnology
سال: 2013
ISSN: 1748-3387,1748-3395
DOI: 10.1038/nnano.2013.90