Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping
Type
Blog Post
Published
Dec. 2, 2019, 2 p.m.
...scientists have long used antibody based affinity purification and mass spectrometry approaches. Recently however...that are tagged with biotin using avidin coated purification techniques. Due to the high affinity of biotin...challenge for classic antibody based affinity purification/mass spectrometry methods.
BioID: a promiscuous...can even target BirA* to specific subcellular locations, such as the nuclear envelope, allowing scientists...scientists to probe interactions in locations of interest.
Try BioID for your proximity labeling experiment... proximity labeling (Rhee et al., 2013). APEX catalyzes the oxidation of biotin-phenol to the short-lived...mutation (R40G) in a conserved residue in the biotin catalytic domain to allow for promiscuous biotinylation....