ASMS2012-Soluble and Immobilized, Recombinant PNGase F as a Tool for the Characterization of Glycoproteins and Glycoproteomes POSTED June 1, 2015 ASMS2012-Soluble and Immobilized, Recombinant PNGase F as a Tool for the Characterization of Glycoproteins and Glycoproteomes