Title : Interaction between O-GlcNAc modification and tyrosine phosphorylation of prohibitin: implication for a novel binary switch.

Pub. Date : 2009

PMID : 19238206






6 Functional Relationships(s)
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1 Interaction between O-GlcNAc modification and tyrosine phosphorylation of prohibitin: implication for a novel binary switch. Tyrosine O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens
2 Here we report for the first time that PHB interacts with O-linked beta-N-acetylglucosamine transferase (O-GlcNAc transferase, OGT) and is O-GlcNAc modified; and also undergoes tyrosine phosphorylation in response to insulin. Tyrosine O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens
3 Tyrosine 114 (Tyr114) and tyrosine 259 (Tyr259) in PHB are in the close proximity of potential O-GlcNAc sites serine 121 (Ser121) and threonine 258 (Thr258) respectively. Tyrosine O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens
4 Tyrosine 114 (Tyr114) and tyrosine 259 (Tyr259) in PHB are in the close proximity of potential O-GlcNAc sites serine 121 (Ser121) and threonine 258 (Thr258) respectively. Tyrosine O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens
5 This is attributed to the presence of similar tyrosine motifs in PHB and OGT. Tyrosine O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens
6 Sequence analysis of O-GlcNAc modified proteins having known O-GlcNAc modification site(s) or known tyrosine phosphorylation site(s) revealed a strong potential association between these two posttranslational modifications in various proteins. Tyrosine O-linked N-acetylglucosamine (GlcNAc) transferase Homo sapiens