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. 2001 May 15;98(11):6062–6067. doi: 10.1073/pnas.111152698

Figure 4.

Figure 4

Structural stability of the A, B, and C subtype HIV-1 proteases as determined by high-sensitivity differential scanning calorimetry. These experiments were performed at pH 3.6, 10 mM glycine conditions under which thermal denaturation is fully reversible. These experiments indicate that the A and C subtype proteases are more stable than B subtype protease.