Abstract
Thioredoxin peroxidase is a member of the peroxiredoxin family and plays a dominant role in a hydrogen peroxide metabolism. A recombinant form of the hyperthermostable thioredoxin peroxidase from the aerobic hyperthermophilic archaeon Aeropyrum pernix K1, a polypeptide consisting of 250 amino acids, was purified. The C207S mutant protein was crystallized by the hanging-drop vapour-diffusion method using potassium sodium tartrate as the precipitant at 298 K. Diffraction data were collected and processed to 2.7 A resolution. The crystal belongs to space group P1, with unit-cell parameters a = 126.2, b = 126.3, c = 213.7 A, alpha = 80.4, beta = 80.3, gamma = 70.7 degrees. Calculation of the self-rotation function showed that the protein quaternary structure includes a fivefold axis and five twofold axes.
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Schedule a callMore From: Acta crystallographica. Section F, Structural biology and crystallization communications
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