The Cul nub c 4 gene sequence was deduced from a phage surface display cDNA library based on the binding of the c 4 protein to IgE from horses with IBH.
Cul nub c 4 er röð sem var veidd upp úr Culicoides nubeculosus yfirborðsfögugenasafni með bindingu próteinsins við IgE úr sumarexemhestum.