Carboxypeptidase Y (CPY) contains ten cysteine residues that form five disulfide bonds in the native structure of CPY. Suppose CPY is reduced and unfolded in urea.Part AIf the reduced unfolded protein were oxidized prior to the removal of the urea, what fraction of the resulting mixture would you expect to possess native disulfide bonds?Express your answer using three significant figures.

Question

Carboxypeptidase Y (CPY) contains ten cysteine residues that form five disulfide bonds in the native structure of CPY. Suppose CPY is reduced and unfolded in urea.
Part A
If the reduced unfolded protein were oxidized prior to the removal of the urea, what fraction of the resulting mixture would you expect to possess native disulfide bonds?
Express your answer using three significant figures.

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