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Preliminary crystallographic analysis of the N-terminal PDZ-like domain of periaxin, an abundant peripheral nerve protein linked to human neuropathies
Huijong Han and Petri KursulaActa Cryst. F 69, 804808 (2013)
Periaxin (PRX) is an abundant protein in peripheral nerves and contains a predicted PDZ-like domain at its N-terminus. The large isoform, L-PRX, is required for the maintenance of myelin in the peripheral nervous system and its defects cause neurological disease. Here, the human periaxin PDZ-like domain was crystallized and X-ray diffraction data were collected to 2.85 Å resolution using synchrotron radiation. The crystal belonged to the primitive hexagonal space group P3121 or P3221, with unit-cell parameters a = b = 80.6, c = 81.0 Å, γ = 120° and either two or three molecules in the asymmetric unit. The structure of PRX will shed light on its poorly characterized function in the nervous system.
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