Five Variants of the β-Globin Gene without Clinical or Hematological Effects: Hb Maryland [β47(CD6)Asp→His], Hb Kent [β37(C3)Trp→Cys], Hb Visayan [β136(H14)Gly→Cys], Hb Cutlerville [β138(H16)Ala→Val] and Hb Hornchurch [β43(CD2)Glu→Lys]

We report on five hemoglobin (Hb) β chain variants that were initially identified either by electrophoretic, chromatographic or isoelectric focusing (IEF) methods. These variants do not appear to be associated with clinical or hematological abnormalities. All variants were confirmed by DNA sequence analysis.