Backbone 1H, 13C, and 15N resonance assignments for lysozyme from bacteriophage lambda |
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Authors: | Alexandre Di Paolo Valérie Duval André Matagne Christina Redfield |
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Institution: | 1. Laboratoire d’Enzymologie et Repliement des protéines, Centre d’Ingénierie des Protéines, Institut de Chimie B6, Université de Liège, B4000, Liège (Sart-Tilman), Belgium 2. Department of Biochemistry, University of Oxford, South Parks Road, Oxford, OX1 3QU, United Kingdom
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Abstract: | Lysozyme from lambda bacteriophage (λ lysozyme) is an 18 kDa globular protein displaying some of the structural features common to all lysozymes; in particular, λ lysozyme consists of two structural domains connected by a helix, and has its catalytic residues located at the interface between these two domains. An interesting feature of λ lysozyme, when compared to the well-characterised hen egg-white lysozyme, is its lack of disulfide bridges; this makes λ lysozyme an interesting system for studies of protein folding. A comparison of the folding properties of λ lysozyme and hen lysozyme will provide important insights into the role that disulfide bonds play in the refolding pathway of the latter protein. Here we report the 1H, 13C and 15N backbone resonance assignments for λ lysozyme by heteronuclear multidimensional NMR spectroscopy. These assignments provide the starting point for detailed investigation of the refolding pathway using pulse-labelling hydrogen/deuterium exchange experiments monitored by NMR. |
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