Claim: LAMP2 make up 50% of Lysosomal membrane glycoproteins, both consist of polypeptides.
Evidence: LAMP1 and LAMP2 make up about 50% of lysosomal membrane glycoproteins. Both of these consist of polypeptides of about 40 kD, with the core polypeptide surrounded by 16 to 20 attached N-linked saccharides.