Assertion: protein | /r/HasProperty | built
Facets:
value: for new nails
type: PURPOSE
Source sentences:
text: As proteins are being built, they begin as a straight chain of amino acids.
text: Protein is a building material for new nails; therefore, low dietary protein intake may cause anemia and the resultant reduced hemoglobin in the blood filling the capillaries of the nail bed reflects varying amounts of light incident on the nail matrix resulting in lighter shades of pink ultimately resulting in white nail beds when the hemoglobin is very low.