Photo-induced crosslinking uncovers an antiparallel strand orientation in heterodimeric (EIAALEK)3/(KIAALKE)3 and (EIAALEK)3/(RIAALRE)3 coiled-coil systems?
Organic & Biomolecular Chemistry Pub Date: 2023-06-21 DOI: 10.1039/D2OB02181A
Abstract
We describe for the first time the co-existence of the parallel and antiparallel conformation of the heterodimeric E3/K3 and E3/R3 coiled-coil systems in solution. The introduction of a furanylated amino acid in the (EIAALEK)3 sequence allowed, upon photo-induced covalent crosslinking, freezing of the respective coiled-coil complexes present in solution. The occurrence of both parallel and antiparallel conformations in solution was supported by computational simulations and further confirmed by fluorescence experiments based on pyrene–pyrene stacking.
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Journal Name：Organic & Biomolecular Chemistry
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CAS no.: 89640-58-4
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