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Protein–lipid interaction is the influence of membrane proteins on the lipid physical state or vice versa. The questions which are relevant to understanding of the structure and function of the membrane are: 1) Do intrinsic membrane proteins bind tightly to lipids (see annular lipid shell ), and what is the nature of the layer of lipids ...
Bio-layer interferometry (BLI) is a label-free technology for measuring biomolecular interactions [27] [28] (protein:protein or protein:small molecule). It is an optical analytical technique that analyzes the interference pattern of white light reflected from two surfaces: a layer of immobilized protein on the biosensor tip, and an internal ...
When studying protein-lipid interactions, another type of photoactivation has proved to provide many insights. Photolabile groups such as diaziridines or benzophenones, which, upon UV irradiation leave behind a highly reactive carbenium ions, can be used to crosslink the lipid of interest to its interacting proteins. This methodology is ...
Within the field of molecular biology, a protein-fragment complementation assay, or PCA, is a method for the identification and quantification of protein–protein interactions. In the PCA, the proteins of interest ("bait" and "prey") are each covalently linked to fragments of a third protein (e.g. DHFR, which acts as a "reporter").
Methods that screen protein–protein interactions in the living cells. Bimolecular fluorescence complementation (BiFC) is a technique for observing the interactions of proteins. Combining it with other new techniques, dual expression recombinase based methods can enable the screening of protein–protein interactions and their modulators. [1]
Pages in category "Protein–protein interaction assays" The following 26 pages are in this category, out of 26 total. This list may not reflect recent changes .
between any kind of biomolecules [1] including proteins, DNA, [2] RNA, [3] peptides, [4] small molecules, [5] fragments [6] and ions; for interactions with high molecular weight complexes, large molecule assemblies, even with liposomes, [7] vesicles, nanodiscs, [8] nanoparticles [9] and viruses
When the substrate is present within a lipid raft, sequestration leads to an increased concentration of the protein near the substrate. Conversely, if the substrate is excluded from a lipid raft, sequestration results in decreased interaction between the protein and the substrate, as seen with PLD2. Either the substrate of the enzyme can move.