Gelation Concentrations of Natural HbS and Recombinant HbS Mutants
Hb
.
Csat (mg/mL)
.
Natural HbS
34.4, 34.9, 36.5 (35.3)
E6V( β)/E121R( β)
24.0, 24.6 (24.3)
D75Y(α)/E6V( β)/E121R( β)
11.4, 12.2 (11.8)
D6A(α)/D75Y(α)/E6V( β)/E121R( β)
7.6, 6.8, 6.6 (7.0)
Purified Hb SAD
6.2, 6.1, 6.1 (6.1)
Hb
.
Csat (mg/mL)
.
Natural HbS
34.4, 34.9, 36.5 (35.3)
E6V( β)/E121R( β)
24.0, 24.6 (24.3)
D75Y(α)/E6V( β)/E121R( β)
11.4, 12.2 (11.8)
D6A(α)/D75Y(α)/E6V( β)/E121R( β)
7.6, 6.8, 6.6 (7.0)
Purified Hb SAD
6.2, 6.1, 6.1 (6.1)
All measurements were performed in the presence of dextran in 50 mmol/L potassium phosphate buffer, pH 7.5, at 37°C, as described in the text. The average values are in parentheses.