To test the importance of certain amino acid residues in stabilising a protein structure, a research student performs equilibrium unfolding experiments with three forms of the protein:
(A) the wild type protein;
(B) a mutant in which a slightly destabilising interaction is introduced; and
(C) a mutant in which a strongly destabilising interaction is introduced.
They obtain the three unfolding curves shown below.

Which curves correspond to which forms of the protein?

Question

To test the importance of certain amino acid residues in stabilising a protein structure, a research student performs equilibrium unfolding experiments with three forms of the protein: 
 (A) the wild type protein; 
 (B) a mutant in which a slightly destabilising interaction is introduced; and 
 (C) a mutant in which a strongly destabilising interaction is introduced. 
 They obtain the three unfolding curves shown below. 
  
 Which curves correspond to which forms of the protein?

Answer

Curve 1 = form A; Curve 2 = form C; Curve 3 form B

Answer

Curve 1 = form C; Curve 2 = form A; Curve 3 form B

Answer

Curve 1 = form A; Curve 2 = form B; Curve 3 form C

Answer

Curve 1 = form C; Curve 2 = form B; Curve 3 form A

Answer

Curve 1 = form B; Curve 2 = form A; Curve 3 form C

Answer

Curve 1 = form B; Curve 2 = form C; Curve 3 form A

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