We present SPIKE (Spectrometry Processing Innovative KErnel), an open-source Python package dedicated to Fourier spectroscopies. It provides basic functionalities such as apodisation, a complete set of Fourier transforms, phasing (for NMR), peak-picking, baseline correction and also tools such as Linear Prediction. Beside its versatility, the most prominent novelty of this package is to incorporate new tools for Big Data processing.
Most of the biological effects of androgen hormones are mediated through an intracellular transcription factor, the androgen receptor (AR). This protein presents a long disordered N-terminal domain (NTD), known to aggregates into amyloid fibers.1 This aggregation property is usually associated with the presence of a poly-glutamine tract (polyQ), known to be involved in several pathologies.2 The NTD has gain interest recently because potential anti-prostate-cancer molecules could target this domain.3 Here, we characterize a conserved region of the NTD (distal from polyQ); it promotes the formation of amyloid fibers under mild oxidative conditions. Unlike most fibrils, which are irreversibly aggregated, the free peptides can be restored from the fibril by the addition of a reducing agent.
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