Assertion: hemoglobin's weight | /r/HasProperty | held by non-convalent forces
Facets:
value: together
type: MANNER
Source sentences:
text: Mammalian hemoglobin is a chromoprotein in which a soluble basic protein molecule (globin), consisting of four polypeptide chains of similar molecular weight held together by non-convalent forces, is conjugated to four colored ferrous protoporphyrin (heme) molecules.