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Cover Image, Volume 34, Issue 21 Journal of Computational Chemistry 34

Version of Record online: 27 JUN 2013 | DOI: 10.1002/jcc.23378

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The structural characterization of protein α-helices is an important topic in structural bioinformatics. Hischenhuber et al. on page 1862 present a new methodology, based on differential geometric parameters, that compares helices to each other and determines the relative spatial orientation between two helices. The whole methodology is implemented in an easy-to-use, opensource Matlab package. The cover illustrates the ruled surface between the two α-helices of the homodimeric X-ray structure of the proto-oncoprotein MafA in complex with DNA (Protein Data Bank accession code 4eot).

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