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Nmr Studies Of Acyl Chain-Protein Interactions, Mark Christian Oswood
Nmr Studies Of Acyl Chain-Protein Interactions, Mark Christian Oswood
Yale Medicine Thesis Digital Library
An approach employing heteronuclear NMR is presented for monitoring the interactions between long-chain fatty acids and proteins which are involved in their synthesis and intracellular transport. Two naturally occurring fatty acids, hexadecanoic (palmitic) and cis-9-10-methylene-hexadecanoic (MHA) acids were labeled using a biosynthetic scheme with 13C acetate as a source. The biosynthetic incorporation of 13C from a two carbon source resulted in sequential pairs of 13C atoms in the product. When combined with double quantum spectroscopy, a highly efficient suppression of natural abundance background resonances results. Proton-detected two and three-dimensional experiments which correlate double quantum carbon chemical shifts with proton shifts …