the microvillus cytoskeleton , isolated from chicken intestinal epithelial cell brush borders , is known to contain five major protein components , the 110,000-dalton polypeptide , villin ( 95,000 daltons ) , fimbrin ( 68,000 daltons ) , actin ( 43,000 daltons ) , and calmodulin ( 17,000 daltons ) .
C0010853
cytoskeleton
C0001271
actin