Studies of the functional properties of the hemoglobins ofHoplias malabaricus andHoplerythrinus unitaeniatus
作者： Austen Riggs , Hans Jorgen Fyhn , Unni E.H. Fyhn , Robert W. Noble
DOI: 10.1016/0300-9629(79)90754-0
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摘要: Abstract 1. Hemolysates from Hoplias malabaricus and Hoplerythrinus unitaeniatus show blurred hemoglobin patterns with three four bands, respectively, by alkaline disc gel electrophoresis. 2. The oxygen affinity of the stripped is about a third that ; P 50 value Hb 1.3 mm Hg (pH 6.9 20°C). addition 1 mM ATP lowers each 2.6-fold. 3. Both hemoglobins Root Bohr effects;Δlog ΔpH= −0.40 for interval pH 7–8. 4. rate dissociation similar kinetically homogeneous constants decreasing 200–250/sec at 6.2 to 25–26 7.7 or without ATP. 5. CO combination reaction heterogeneous all values below 7.5. fast slow phases account half observed reaction. kinetic heterogeneity maximal low both hemoglobins. phase more than twice as
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