tokens: Amyloid beta protein ( Abeta ) is the main constituent of amyloid fibrils found in senile plaques and cerebral vessels in Alzheimer 's disease ( AD ) and is derived by proteolysis from the beta-amyloid precursor protein ( APP ) .
folded_tokens: Amyloid beta protein ( abeta ) be the main constituent of amyloid fibril find in senile plaque and cerebral vessel in alzheimer 's disease ( ad ) and be derive by proteolysis from the beta-amyloid precursor protein ( app ) .