Enzymatically Inactive Red Cell Carbonic Anhydrase B in a Family with Renal Tubular Acidosis

Abstract
An inactive mutant form of red cell carbonic anhydrase B is described in three members of a large kindred who manifest infantile renal tubular acidosis and nerve deafness. A combination of enzymatic and immunologic investigations permitted its detection, despite the fact that both antigenic and electrophoretic properties of the mutant were identical to those of the normal form.
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