Abstract
Adenovirus proteinase (AVP) is required for the synthesis of infectious virus and is a target for antiviral therapy. The enzyme requires two viral cofactors for activation: pVIc, an 11-amino acid peptide, and the viral DNA. The structure of the enzyme in the absence of cofactors has not been observed. Single crystals of AVP were obtained via microseeding using the hanging-drop vapour-diffusion method with sodium acetate and sodium citrate as precipitants. At the National Synchrotron Light Source at Brookhaven National Laboratory, the native crystal diffracted to a resolution of 0.98 A and an isomorphous heavy-atom derivative diffracted to 1.9 A. Comparison of the structure of AVP with that of the AVP-pVIc complex should reveal the structural basis of activation of the enzyme by pVIc.
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Schedule a callMore From: Acta crystallographica. Section D, Biological crystallography
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