The chemical reactions and pathways involving glycoproteins, a protein that contains covalently bound glycose (i.e. monosaccharide) residues; the glycose occurs most commonly as oligosaccharide or fairly small polysaccharide but occasionally as monosaccharide. [ GOC : go_curators https://www.worldcat.org/search?q=bn%3A0198506732 ]
glycoprotein metabolism