myosin

English Thesaurus

1. the commonest protein in muscle; a globulin that combines with actin to form actomyosin (noun.substance)

hypernym	:	globulin,
definition	:	a family of proteins found in blood and milk and muscle and in plant seed (noun.substance)

substance meronym	:	actomyosin,
definition	:	a protein complex in muscle fibers; composed of myosin and actin; shortens when stimulated and causes muscle contractions (noun.substance)