ArticleMethods in molecular biology (Clifton, N.J.)2023
Assessing Peroxisomal Protein Interaction by Immunoprecipitation.
Article in Methods in molecular biology (Clifton, N.J.), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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2 authors at 1 institution in 1 country.
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Abstract
Organelles physically interact with each other via protein tethering complexes that bridge the opposing membranes. Organelle membrane contacts are highly dynamic, implying dynamism of the tethering complexes. Alterations in the binding of the tethering proteins can be assessed by immunoprecipitation. Antibody-conjugated beads allow for purification of the target protein with its binding partners, which can subsequently be examined by western blot analysis. We present immunoprecipitation methods and strategies to examine protein interaction domains, and for the identification of residues important for the regulation of the interaction, here focusing on phosphorylation. We use the peroxisomal membrane protein ACBD5 and its paralog ACBD4, which both bind ER membrane protein VAPB to mediate peroxisome-ER contacts, as example. However, this method can be applied to other peroxisomal and non-peroxisomal (membrane) proteins.
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