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What is the strength of salt bridges?(a) 10-15 kcal/mol(b) 20-25 kcal/mol(c) 17-20 kcal/mol(d) 4-7 kcal/molI had been asked this question during an online interview.My doubt stems from Biopharmaceuticals in portion Biopharmaceuticals of Drug Biotechnology

Answer»

Correct answer is (d) 4-7 kcal/mol

Best explanation: The energy NEEDED to break a salt bridge is around 4-7 kcal/mol. Salt BRIDGES are electrostatic bonds between oppositely charged GROUPS. The ions on the R group of AMINO acids form salt bridges through electrostatic bonds.



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