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Spider silk can conduct electricity. Some spiders use this material property of conductivity to capture prey. https://www.ncbi.nlm.nih.gov/pubmed/24323174 So I'm going on the assumption that both electrical lines spanning the web are bare and that they are live, i.e. carrying current. I will also assume that these lines are carrying the same current. With ...


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There are various proteins sensitive to changes in electric field. More precisely, they are activated by changes in voltage (surrounding the protein), and immersed in water, as all cells are mainly composed of an aqueous solution. You are correct that most charges in the side chains of the proteins' amino acids are 'masked' by the dipole character of water ...


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In addition to what is already said, I want to mention something more subtle. What other people have commented here is about an old 'dogma' due to Christian Anfinsen, which postulates that all that matters is the sequence of aminoacids + the microenvironment (pH, temperature, etc). However, I think you might be confounding two other layers of biochemical ...


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I suspect the author meant something a little different. It's not just that it doesn't matter if a protein is synthesized from N- or C-terminus it's also not important for the end result of folding that the synthesis is gradual at all. When designing proteins de novo they model the folding on a computer. The gradual addition of amino acid residues to the ...


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As you mentioned water is a dielectric and because of that and the presence of ions in solution, electrostatic forces have a very short range inside a cell. If you apply a potential difference (voltage) in solution, you will generate a constant electric field between the two electrodes. Proteins will respond to this electric field by moving towards the ...


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