High-yield soluble expression, purification and characterization of human steroidogenic acute regulatory protein (StAR) fused to a cleavable Maltose-Binding Protein (MBP)
StAR protein has limited solubility and is mostly obtained through denaturation/refolding.
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This is time-consuming, costly and may affect protein characteristics.
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Fusing cleavable MBP to StAR confers its full solubility and facilitates purification.
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The developed protocol results in native and aggregates-free StAR.
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Capable of binding cholesterol, it is suitable for future investigations and biotechnology.
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