A novel allele of the atypical chemokine receptor 1 (ACKR1) gene containing the nucleotide change c.126 T>G (p.42Glu) encodes a third Duffy blood group protein sequence antithetical to that encoding Fya and Fyb antigens. Issue 6 (8th March 2019) - Weinstock, Christof; Mytilineos, Joannis; Bugert, Peter; Sitzmann, Nicole; Pensel, Elke; Schrezenmeier, Hubert; Fürst, Daniel