cofilin , a 21,000 molecular weight protein originally purified from porcine brain that is capable of binding to actin filaments in a molar ratio of the protein to actin monomer of 1:1 in the filament ( nishida et al . ( 1984 ) biochemistry 23 , 5307-5313 ) , was purified from porcine kidney in the present study .
C0025979
actin filaments
C0001271
actin