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Figure 4
(Top) In black, the spectrum of pure lysozyme from lyophilized powder dissolved in 0.1% TFA, and in grey, the spectrum of a marked lysozyme crystal. The three peaks were assigned as [m]+ for m/z = 14307.785, [m]2+ (double charge) for m/z = 7149.769 and [m]3+ (triple charge) for m/z = 4763.4763. There is no evidence of peak shifts. (Bottom) Low weights detail: in black, the spectrum of pure lysozyme, and in grey, the spectrum of a marked lysozyme crystal. The peak at 474 Da (CFSE) is evidently present only in the grey spectrum.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 12| Part 6| October 2005| Pages 772-778
doi:10.1107/S0909049505011647
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