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We present a detailed comparative analysis of the PDZ domains of the human LAP proteins Erbin, Densin-180, and Scribble and the MAGUK ZO-1. Phage-displayed peptide libraries and in vitro affinity assays were used to define ligand binding profiles for each domain. The analysis reveals the importance of interactions with all four C-terminal residues of the(More)
The LAP (leucine-rich repeat and PDZ-containing) family of proteins play a role in maintaining epithelial and neuronal cell size, and mutation of these proteins can have oncogenic consequences. The LAP protein Erbin has been implicated previously in a number of cellular activities by virtue of its PDZ domain-dependent association with the C termini of both(More)
Dendritic cells (DCs) are critical for the initiation of immune responses including activation of CD8 T cells. Intracellular reactive oxygen species (ROS) levels influence DC maturation and function. Intracellular heme, a product of catabolism of heme-containing metalloproteins, is a key inducer of ROS. Intracellular heme levels are regulated by heme(More)
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