Summary
The genetic types of the properdin factor B were analyzed by isoelectric focusing on polyacrylamide gels and subsequent immunofixation. Sera from 516 unrelated, healthy individuals from Southern Germany were examined. Two new subtypes of the Bf*S allele were observed. They were provisionally named Bf*Sb1 and Bf*Sb2 (b = basic), since the position of their bands is located slightly towards the cathode. Whereas Bf Sb2 has, thus far, been found only in a single individual, Bf Sb1 was found in five unrelated persons and in a mother and her child indicating a simple codominant mode of inheritance. The combined frequency of the Bf*Sb alleles was calculated to be 0.0067.
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Weidinger, S., Schwarzfischer, F., Burgemeister, R. et al. Two new Bf S subtypes revealed by isoelectric focusing and immunofixation. Hum Genet 68, 90–92 (1984). https://doi.org/10.1007/BF00293880
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DOI: https://doi.org/10.1007/BF00293880