When is a Monomer not a Monomer? The Top Three Ways Your Favorite Fluorescent Protein Oligomerizes in Cells
Type
Blog Post
...Figure 1).
Figure 1: Each problem with dimerizing fluorescent proteins is illustrated. 1) Membrane... in nature are prone to dimerization (i.e. EGFP) [1, 2] or even form obligate tetramers (i.e. DsRed) [...active state due to closure by FP dimerization.
1. Transmembrane fluorescent protein fusions
Transmembrane...bright, non-physiological, and difficult to ignore [1, 2].
2. Fusion to an obligate dimer or oligomer
Several... For a more detailed discussion see [5].
Problems 1 and 2 depend on protein concentrations. An imperfect... distance runner, gardner, and cook.
References
1. Snapp, E.L., et al., Formation of stacked ER cisternae...problem for fusion proteins. One of the major applications of FPs is to visualize the localization, dynamics...