5lk4

Structure of the Red Fluorescent Protein mScarlet at pH 7.8

spinqualitylabelsall models 5lk4, resolution 1.47Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 5lk4 is a 1 chain structure with sequence from Discosoma sp.. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: X-ray diffraction, Resolution 1.47Å Ligands: NRQ, PEG, PG4, PGE, PO4 Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Function RFP_DISSP Thought to play a role in photoprotection of the coral's resident symbiont microalgae's photosystems from photoinhibition caused by high light levels found near the surface of coral reefs. In deeper water, the fluorescence may be to convert blue light into longer wavelengths more suitable for use in photosynthesis by the microalgal symbionts. Publication Abstract from PubMed We report the engineering of mScarlet, a truly monomeric red fluorescent protein with record brightness, quantum yield (70%) and fluorescence lifetime (3.9 ns). We developed mScarlet starting with a consensus synthetic template and using improved spectroscopic screening techniques; mScarlet's crystal structure reveals a planar and rigidified chromophore. mScarlet outperforms existing red Forster proteins as a fusion tag, and it is especially useful as a fluorescence resonance energy transfer (FRET) acceptor in ratiometric imaging. mScarlet: a bright monomeric red fluorescent protein for cellular imaging.,Bindels DS, Haarbosch L, van Weeren L, Postma M, Wiese KE, Mastop M, Aumonier S, Gotthard G, Royant A, Hink MA, Gadella TW Jr Nat Methods. 2016 Nov 21. doi: 10.1038/nmeth.4074. PMID:27869816 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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