molar ratios of major identifiable proteins in the isolated microfilaments were alpha-actinin ( dimer ) : actin ( monomer ) : tropomyosin ( dimer ) = less than 0.02:8.06:1.00 for tropomyosin-enriched microfilaments and 0.44:13.91:1.00 for alpha-actinin-enriched microfilaments .
C0001271
actin
C0025979
microfilaments