Table I

Anti-O-GlcNAc immunopurified proteins

Glycolysis
 Glyceraldehyde-3-phosphate dehydrogenase
 Phosphoglycerate kinase
 Phosphopyruvate hydratase (enolase)
 Pyruvate kinase
Glycogen synthesis
 UDP-glucose pyrophosphorylase
Cytoskeleton/vesicle trafficking
 Protein Transport Protein SEC23
 Annexin I (calpactin II)
 Presynaptic cytomatrix protein Piccolo
 Cytoplasmic Dynein light chain 1
 Cofilin
Nuclear pore/transport
 Nucleoporin p62
 Nucleoporin p54
 Ran (GTP-binding nuclear protein Ran)
Protein folding/stability/degradation
 HSC70
 HSP90
 Proteasome component C2
 Nucleophosmin (nucleolar phosphoprotein b23)
 Peptidylprolyl isomerase
 Q04323, homologous to ubiquitin carboxyl-terminal hydrolase
Transcription/translation
 Human C1 (HCF) transcription factor
 KIAA0144, Oct 1 transcription factor homologue
 Enhancer factor 2D
 Ewing sarcoma RNA-binding protein (EWS)
 Eukaryotic initiation factor 4a-1 (EIF-4A-1)
 Elongation factor 1-α
 40 S ribosomal protein s24
Signal transduction
 Casein kinase II
O-GlcNAc transferase (OGT)
 Phosphatase 2A inhibitor (i2pp2a)
 Rho GDP-dissociation inhibitor I (rho-gdi α)