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. Author manuscript; available in PMC: 2014 Aug 12.
Published in final edited form as: Redox Rep. 2014 Jan 3;19(2):80–86. doi: 10.1179/1351000213Y.0000000078

Figure 6.

Figure 6

Protection of glutamine synthetase from inactivation by methionine and histidine, either free or in peptide linkage. Each incubation contained 1.5 mM histidine, 1.5 mM methionine, and 1.0 mM MnCl2. The irradiation dose was 20 kGy.