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. Author manuscript; available in PMC: 2015 Jul 23.
Published in final edited form as: J Pharm Sci. 2014 Apr 16;103(6):1613–1627. doi: 10.1002/jps.23975

Figure 1.

Figure 1

Summary of the five different IgG1-Fc proteins examined in this study. The left side shows the two glycosylated forms of the Fc protein (diglycosylated and monoglycosylated), while, the right side shows the three different nonglycosylated IgG1-Fc protein variants (two from PNGase treatment of glycoforms and one point mutant). Identity of amino acid residue at site 297 in the CH2 domain (Asn, Asp, Gln) and the nature of glycoforms (Man, mannose and GlcNAc, N-acetylglucosamine) are indicated in the figure.