. . "Converted from EntitySet in Reactome"^^ . "Reactome DB_ID: 1981108"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Glu-Gal-Hyl-collagen propeptides"^^ .