An electrospray/transmission quadrupole mass spectrum of the -chain of hemoglobin from acidic solution exhibits nine peaks corresponding
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An electrospray/transmission quadrupole mass spectrum of the α-chain of hemoglobin from acidic solution exhibits nine peaks corresponding to Mn+n. Find the charge, n, for peaks A-I. Calculate the molecular mass of the neutral protein, M, from peaks A, B, G, H, and I, and find the mean value.
Transcribed Image Text:
Peak m/z Amplitude Peak mlz Amplitude 1 261.5 1 164.6 A 0.024 F not stated 1.000 В 0.209 G 834.3 0.959 C not stated 0.528 H 797.1 0.546 D not stated 0.922 I 757.2 0.189 E not stated 0.959
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