Fluorescent Proteins 101: When GFP lets you down
Type
Blog Post
Published
Aug. 23, 2018, 12:05 p.m.
... problem when the excitation wavelength is shifted to longer wavelengths. Therefore, the use of bright...binds a synthetic, fluorescent analogue have been engineered (Thorn, 2017). These fluorescent analogues are...28 kDa protein that resembles a cylinder with a length of 4.2 nm and a diameter of about 2.4 nm (Hink ...above. The smallest tags are peptides that are engineered to bind specifically and with high affinity to...., 2017) may improve detection. Since longer wavelengths have better tissue penetration, (infra)red fluorescent...usually dim relative to fluorescent probes, recent engineering efforts have increased the brightness of these...fluorescent proteins, biosensors, and optogenetic tools engineered from phytochromes." Chemical reviews 117.9 (2017...