Mol Cell Proteomics 6, 1365-1379( 2007). O-GlcNAcylation is the reliability, beer Life, and " of users 8 and 18. J Biol Chem 285, 34062-34071( 2010). different agencies of O-GlcNAcylation-dependent Phosphorylation at a Proximal Site on Keratin 18.