Trypsin-specific Inhibitors from the Macrolepiota procera, Armillaria mellea and Amanita phalloides wild mushrooms.
AbstractWild growing mushrooms are a rich source of novel proteins with unique features. We have isolated and characterized trypsin inhibitors from two edible mushrooms, the honey fungus (Armillaria mellea) and the parasol mushroom (Macrolepiota procera), and from the poisonous death cap (Amanita phalloides). The trypsin inhibitors isolated: armespin, macrospin and amphaspin, have similar molecular masses, acidic isoelectric points and are not N-glycosylated. They are very strong trypsin inhibitors and weak chymotrypsin inhibitors. They are resistant to exposure to high temperatures and withstand extreme pH values. These exceptional characteristics are advantageous for their potential use in biotechnology, agriculture and medicine.
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