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Journal Article

DIsulfide Mapping PLanner Software Tool


Kist,  Andreas M.
Max Planck Research Group: Sensorimotor Control / Portugues, MPI of Neurobiology, Max Planck Society;

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Kist, A. M., Lampert, A., & O'Reilly, A. O. (2018). DIsulfide Mapping PLanner Software Tool. Journal of Computational Biology, 25(4), 430-434. doi:10.1089/cmb.2017.0129.

Cite as: https://hdl.handle.net/21.11116/0000-0003-82E9-3
Disulfide bridges are side-chain-mediated covalent bonds between cysteines that stabilize many protein structures. Disulfide mapping experiments to resolve these linkages typically involve proteolytic cleavage of the protein of interest followed by mass spectroscopy to identify fragments corresponding to linked peptides. Here we report the sequence-based "DIMPL'' web tool to facilitate the planning and analysis steps of experimental mapping studies. The software tests permutations of user-selected proteases to determine an optimal peptic digest that produces cleavage between cysteine residues, thus separating each to an individual peptide fragment. The webserver returns fragment sequence and mass data that can be dynamically ordered to enable straightforward comparative analysis with mass spectroscopy results, facilitating dipeptide identification.