Actin aus Kalbsherzmuskel

Summary Sedimentation coefficient, intrinsic viscosity, amino acid composition and myosin binding capacity of actin from calf's heart were determined. The results are in fair agreement with values published for actin from other sources. No influence of strophantin-g or strophantin-k on the velocity of polymerization and the viscosity and thixotropy of f-actin could be detected.