Structure in Relation to Behavior of Mutant Hemoglobins in Citrate Agar Electropiioresjs

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Abstract
The comparative mobilities, in citrate agar electrophoresis, of 91 mutant Hb [human] are presented in relation to their molecular structure and in some cases, to their mobilities in other types of electrophoresis. More than a third of the .alpha. chain mutants (11 of the 27 examined) and half of the .beta. chain mutants (29 of 55) differ to some extent from Hb A. The helical location of the substituted residue is an important determinant of Hb mobility, which is also affected by a complex interplay of other factors. When the data are combined with those of several other types of electrophoresis, they often provide presumptive (or in some cases highly specific) identifications of mutant Hb and hemoglobinopathies.