Abstract
A 79 kDa fragment of the bacterial flagellar hook protein FlgE from Campylobacter jejuni was cloned, overexpressed, purified and crystallized. Two different crystal forms were obtained. Synchrotron X-ray diffraction data showed that the first crystal form, which diffracted to 4.9 Å resolution, belonged to the tetragonal crystal system, with space group I4(1)22 and unit-cell parameters a = b = 186.2, c = 386.6 Å, α = β = γ = 90°. The second crystal form diffracted to 2.5 Å resolution and belonged to the monoclinic crystal system, with space group P2(1) and unit-cell parameters a = 75.7, b = 173.8, c = 150.8 Å, α = γ = 90, β = 106.5°. SeMet protein was also overexpressed, purified and crystallized, and a 2.6 Å resolution MAD data set was collected.
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More From: Acta crystallographica. Section F, Structural biology and crystallization communications
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