Abstract
The human dok-5 PTB domain fusion protein has been overexpressed in Escherichia coli and crystallized in a form suitable for X-ray crystallographic study. Crystals were obtained by the vapour-diffusion method. The crystal has unit-cell parameters a = b = 75.9, c = 108.0 A, alpha = beta = 90, gamma = 120 degrees and belongs to space group P3(2)21. Diffraction data were collected to 2.8 A resolution in-house. Furthermore, a selenomethionine (SeMet) derivative of dok-5 PTB domain fusion protein was overexpressed using the same expression system and was purified in a reductive environment. The derivative crystals were obtained under similar conditions. Subsequently, three different wavelength data sets were collected to 2.3 A resolution from the derivative crystal at the Advanced Photon Source, Argonne National Laboratory.
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Schedule a callMore From: Acta crystallographica. Section D, Biological crystallography
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