1. The following ESI-MS spectrum in positive ionization mode for PPAR gamma is obtained.

. The following ESI-MS spectrum in positive ionization mode for PPAR gamma is obtained.
a. Using m/z values for species B and C, calculate the molecular weight of the PPAR gamma
protein to 5 significant figures.
b. Using m/z values calculate the charge of species A.
c. What would be the spacing of the isotopic peaks of species A?
d. What is the approximate number of residues in the PPAR gamma protein?