The gene encoding decay-accelerating factor (DAF) is located in the complement-regulatory locus on the long arm of chromosome 1.
Lublin DM, Lemons RS, Le Beau MM, Holers VM, Tykocinski ML, Medof ME, Atkinson JP. The gene encoding decay-accelerating factor (DAF) is located in the complement-regulatory locus on the long arm of chromosome 1. J Exp Med. 1987 Jun 01; 165(6):1731-6.