Table 2.

Bohr factors for high- and low-altitude deer mouse Hbs measured at 37° and 25°C in 0.1 M Hepes buffer (heme 0.3 mM) and in the absence (stripped) and presence of KCl and DPG, as indicated. For each condition, values correspond to the linear regression of logP₅₀ vs pH data shown in Fig. 2C,D.

	High		Low
Bohr factor (Φ)	37 °C	25 °C	37 °C	25 °C
stripped	−0.62±0.04	−0.51	−0.57±0.00	−0.55
+KCl	−0.50±0.01	−0.42	−0.44±0.06	−0.44
+DPG	−0.64±0.05	−0.38	−0.64±0.02	−0.49
+KCl+DPG	−0.54±0.00	−0.52	−0.59±0.03	−0.54