Amino-acid Composition of ${\text{α}}_{{\text{s}}_{\text{1}}}$-Casein D

Abstract

THE genetic polymorphism of α_s-casein was first demonstrated by Thompson et al.¹ using the technique of starch-gel electrophoresis. Since that time three genetically controlled variants have been found, which have been denominated as ${\text{α}}_{{\text{s}}_{\text{1}}}$-casein A, B and C in order of their decreasing electrophoretic mobility.