Protein Stability At the midpoint of a temperature transition curve, [Native] = [Unfolded] All of these half of the protein is denatured Keq = 1.0 and ΔG = 0 [Native] = [Unfolded] All of these half of the protein is denatured Keq = 1.0 and ΔG = 0 ANSWER DOWNLOAD EXAMIANS APP
Protein Stability Attractive Vander Waals forces occur between any pair of nearby atoms apolar molecules in the liquid state polar molecules in the solid state only if other forces are less favorable any pair of nearby atoms apolar molecules in the liquid state polar molecules in the solid state only if other forces are less favorable ANSWER DOWNLOAD EXAMIANS APP
Protein Stability The correlation between free energy ΔG transfer between the aqueous/organic phases and the surface area of amino acid residues is only meaningful for the polar amino acids ignores the important contribution of the peptide bond reflects the reduction in solvent-accessible area during protein folding is similar to effects seen with SDS denaturation is only meaningful for the polar amino acids ignores the important contribution of the peptide bond reflects the reduction in solvent-accessible area during protein folding is similar to effects seen with SDS denaturation ANSWER DOWNLOAD EXAMIANS APP
Protein Stability Which of the following forces is the most unfavorable for protein folding? Electrostatic interactions Vander Waals interactions Hydrophobic interactions Conformational entropy Electrostatic interactions Vander Waals interactions Hydrophobic interactions Conformational entropy ANSWER DOWNLOAD EXAMIANS APP
Protein Stability Unpaired H-bond donors and acceptors are found in the hydrophobic core of a protein only on Pro residues rarely only at the turns connecting p-strands only at the ends of a-helices only on Pro residues rarely only at the turns connecting p-strands only at the ends of a-helices ANSWER DOWNLOAD EXAMIANS APP
Protein Stability For the unfolding reaction of Protein G, ΔH° =210.6 kJ/mol, this means that the entropy is positive at all temperatures the entropy is negative at all temperatures unfolding is favored enthalpically folding is favored enthalpically the entropy is positive at all temperatures the entropy is negative at all temperatures unfolding is favored enthalpically folding is favored enthalpically ANSWER DOWNLOAD EXAMIANS APP