Infoscience

Journal article

Non-native architectures in protein design and mimicry

A review is given with 62 refs. on the art of template-based protein de novo design, with special emphasis on progress in peptide synthesis and template design and show that some fundamental questions in protein assembly, structure and function can be approached by designing protein mimetics of reduced structural and functional complexity. Protein design aims to mimic some of the structural and functional properties of native proteins. The complexity of the folding mechanism, i.e. the pathway by which a linear polypeptide chain finds its unique 3D-structure, represents one of the most intriguing hurdles in this rapidly growing field. To bypass this well-known protein-folding problem, some years ago it was proposed the construction of non-native chain architectures with a high propensity for folding. According to this concept, termed TASP (template-assembled synthetic proteins), topol. templates are used as a built-in device for directing covalently attached peptide blocks to a predetd. packing arrangement, resulting in branched chain architectures. Recent progress in the synthetic methodol. for assembling peptides now allows us to access the full potential of the TASP concept. [on SciFinder (R)]

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