occurrence of degradation products of mr 190 000 ( hf-1 ) and 90 000 ( hf-2 ) is a sensitive indicator of this proteolysis , and can be used to decide whether reduced amounts of the actin-binding protein in extracts are due to proteolysis or to incorporation in the triton-insoluble ( cytoskeletal ) fraction .
C0001239
actin-binding protein
C0010853
cytoskeletal