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The first PAFP, Kaede (protein), was isolated from Trachyphyllia geoffroyi in a cDNA library screen designed to identify new fluorescent proteins. [1] A fluorescent green protein derived from this screen was serendipitously discovered to have sensitivity to ultraviolet light-- We happened to leave one of the protein aliquots on the laboratory ...
An animation of the structure of the dark state of dronpa protein Dronpa is a reversibly switchable photoactivatable fluorescent protein that is 2.5 times as bright as EGFP . [ 1 ] [ 2 ] Dronpa gets switched off by strong illumination with 488 nm (blue) light and this can be reversed by weak 405 nm UV light. [ 1 ]
Of the various methods of labeling biomolecules, fluorescent labels are advantageous in that they are highly sensitive even at low concentration and non-destructive to the target molecule folding and function. [1] Green fluorescent protein is a naturally occurring fluorescent protein from the jellyfish Aequorea victoria that is widely used to ...
While the use of fluorescent proteins was once limited to the green fluorescent protein , in recent years many other fluorescent proteins have been cloned. Unlike GFPs, which are derived from the luminescent jellyfish Aequorea victoria, fluorescent proteins derived from anthozoa , including Eos, emit fluorescence in the red spectral range.
Kaede is a photoactivatable fluorescent protein naturally originated from a stony coral, Trachyphyllia geoffroyi.Its name means "maple" in Japanese.With the irradiation of ultraviolet light (350–400 nm), Kaede undergoes irreversible photoconversion from green fluorescence to red fluorescence.
Oat phytochrome absorption spectrum (Devlin, 1969). Phytochromes are a class of photoreceptor proteins found in plants, bacteria and fungi.They respond to light in the red and far-red regions of the visible spectrum and can be classed as either Type I, which are activated by far-red light, or Type II that are activated by red light. [2]
A FMN-binding fluorescent protein (FbFP), also known as a LOV-based fluorescent protein, is a small, oxygen-independent fluorescent protein that binds flavin mononucleotide (FMN) as a chromophore. They were developed from blue-light receptors (so called LOV-domains ) found in plants and various bacteria. [ 1 ]
The light-harvesting complex (or antenna complex; LH or LHC) is an array of protein and chlorophyll molecules embedded in the thylakoid membrane of plants and cyanobacteria, which transfer light energy to one chlorophyll a molecule at the reaction center of a photosystem. The antenna pigments are predominantly chlorophyll b, xanthophylls, and ...