Protein Stability
Which of the following is the most correct?

All hydrophobic amino acids are buried when a protein folds
Tyrosine is only found in the interior of proteins
Charged amino acids are never buried in the interior of a protein
Charged amino acids are seldom buried in the interior of a protein

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Protein Stability
Since ΔG° = -RTlnK

a 10-fold increase in K decreases ΔG° by about 10-fold
a 10-fold decrease in K decreases ΔG° by about 2.3*RT
a 10-fold increase in K decreases ΔG° by about 2.3*RT
a 10-fold decrease in K increases ΔG° by about 10-fold

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Protein Stability
The correlation between free energy ΔG transfer between the aqueous/organic phases and the surface area of amino acid residues

ignores the important contribution of the peptide bond
is similar to effects seen with SDS denaturation
reflects the reduction in solvent-accessible area during protein folding
is only meaningful for the polar amino acids

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