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BH3 interacting domain (BID) BID is a member of the BCL-2 superfamily of proteins are key regulators of programmed cell death, hence this family is related to pfam00452. BID is a pro-apoptotic member of the Bcl-2 superfamily and as such posses the ability to target intracellular membranes and contains the BH3 death domain. The activity of BID is regulated by a Caspase 8-mediated cleavage event, exposing the BH3 domain and significantly changing the surface charge and hydrophobicity, which causes a change of cellular localization.
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PubMed References
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