Literature DB >> 8019134

Measurement of four-bond HN-H alpha J-couplings in staphylococcal nuclease.

G W Vuister1, A Bax.   

Abstract

Quantitative J-correlation and triple-resonance ECOSY-type experiments are used to unambiguously establish the presence of four-bond sequential HN-H alpha J-couplings in the protein staphylococcal nuclease. Substantially negative 4JH alpha HN values, ranging from -0.8 to -2.3 Hz, are observed when the psi angle is near +120 degrees, and the following phi angle near +60 degrees. For other conformations, the four-bond HN-H alpha J-couplings fall between -0.5 and +0.5 Hz.

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Year:  1994        PMID： 8019134     DOI： 10.1007/bf00175247

Source DB:  PubMed          Journal:  J Biomol NMR        ISSN： 0925-2738            Impact factor:   2.835


  7 in total

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