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Phosphatases are a diverse family of enzymes, comprising at least 10 distinct protein folds. Like most other enzyme families, many have sequence variations that predict an impairment or loss of catalytic activity classifying them as pseudophosphatases. Research on pseudoenzymes is an emerging area of interest, with new biological functions repurposed from catalytically active relatives. Here, we provide...
The truncated C‐terminal portion of Bid (tBid) is an important intermediate in ligand‐induced apoptosis. tBid has been shown to be sensitive to proteasomal inhibitors and downregulated by activation of the epidermal growth factor (EGF) pathway. Here, we provide evidence that tBid is a substrate of the ubiquitin ligase Itch, which can specifically interact with and ubiquitinate tBid, but not intact...
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