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. 1998 Jul 21;95(15):8997–9002. doi: 10.1073/pnas.95.15.8997

Figure 1.

Figure 1

Modification of the free sulfydryl groups using NEM as a thiol blocking reagent. ○, Without NEM pretreatment; •, with NEM. Error bars correspond to the maximum and minimum binding recorded for each Hb (n = 3).