title: Five new rare variants of the properdin factor B (BF) locus.
abstract: Investigations of local Minnesota whites and blacks demonstrated five new variants at the BF locus. All specimens were tested according to the recommended procedure of Mauff for proper nomenclature assignment and family data obtained when possible. This report brings the number of documented BF variants to 18.
mesh_terms: D011415:Complement Factor B / Q000235:genetics*; D004587:Electrophoresis, Agar Gel; D004792:Enzyme Precursors / Q000235:genetics*; D005260:Female; D014644:Genetic Variation; D006801:Humans; D008297:Male; D010334:Paternity; D011110:Polymorphism, Genetic
chemical_list: D004792:Enzyme Precursors; D011415:Complement Factor B