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Previous studies on bovine hemoglobin (HbBv) have suggested amino acid substitutions, which might introduce into human hemoglobin (HbA) functional characteristics of HbBv, namely a low intrinsic oxygen affinity regulated by Cl - . Accordingly, we have constructed and characterized a multiple mutant, PB5, [β(V1M+H2Δ+T4I+P5A+A76K)] replacing four amino acid residues of HbA with those present...
In the crystal structure of human T-state hemoglobin with a sebacyl residue cross-linking the two β-subunit Lys 82 's (DecHb), the Fe atoms of the α-subunit hemes are found to be oxidized with a water molecule bound. The three-dimensional structure and heme geometries were compared to those of deoxyhemoglobin and other partially and fully oxidized hemoglobins [R. Liddington, Z. Derewenda,...
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