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Generation of serine/threonine check points in HN(C)N spectra

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Abstract

We describe here a simple modification of the HN(C)N experiment for the generation of serine/threonine check points in the three-dimensional experiment. The various ‘triplet of residue’ specific peak patterns in the spectra are documented for ease of analysis and sequential backbone resonance assignment. The performance of this experiment, referred to as HN(C)N-ST, is demonstrated using two proteins, one properly folded and the other completely denatured. It is noteworthy that, even in the denatured protein, where spectral dispersions are rather poor, about 90% of the sequential connectivities through the chain could be established from this single experiment. This would have great implications for structural genomics efforts.

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Correspondence to Ramakrishna V. Hosur.

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Both the authors have contributed equally

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Kumar, D., Chugh, J. & Hosur, R.V. Generation of serine/threonine check points in HN(C)N spectra. J Chem Sci 121, 955–964 (2009). https://doi.org/10.1007/s12039-009-0124-6

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  • DOI: https://doi.org/10.1007/s12039-009-0124-6

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