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We have incorporated a bicyclic β-turn mimetic (BTD; β-turn dipeptide) into a zinc finger, creating a zinc finger with an artificial β-turn. The designed peptide chelates zinc and has the same fold as the unmodified native zinc finger (finger 3 of the human YY1 protein). A combination of 1 H NMR and structure calculations reveals that, in solution, this zinc finger has a fold similar to the...
Abstract 1 H NMR methods are described which allow direct studies of the Cys 34 binding site of albumin in intact human blood plasma in vitro. Antiarthritic gold drugs and the alcohol-aversive drug disulfiram induce a structural transition detectable via Hε1 and Hδ2 resonances of His 3 of albumin, and reactions of cystine, glutathione and captopril in plasma have also...
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