in previous work , we ( el-saleh , s. , theiret , r. , johnson , p. , and potter , j. d. ( 1984 ) j. biol . chem . 259 , 11014-11021 ) presented evidence that ca2+ activation of skeletal myofilaments depends on a specific actin domain .
C0025979
myofilaments
C0001271
actin