Hemoglobin Maputo : A New 6-Chain Variant (α2β2 47 (Cd6) Asp→Tyr) in Combination with Hemoglobin S, Identified by High Performance Liquid Chromatography (Hplc)

During a routine hematological investigation, a slowly-moving hemoglobin variant was detected in a 2-year-old child from Maputo (Mozambique) in combination with hemoglobin S. Structural studies carried out by HPLC demonstrated a previously unreported amino acid substitution, β 47 (CD6) Asp→Tyr. The new hemoglobin variant has been named hemoglobin Maputo.