| 释义 |
actin Biochem.|ˈæktɪn|
[f. Gr. ἀκτίς ray + -in1.]
A protein which with myosin plays an important part in the contraction and relaxation of muscle (see actomyosin).
1942A. Szent-Györgyi in Stud. Inst. Med. Chem. Univ. Szeged I. 67 Myosin B is a stoichiometric compound of myosin A and another substance. We will call this other substance ‘actin’. 1944― Stud. on Muscle ii. 29 This property of actin, that it is capable of existing in two forms, in globular and fibrous form, which can be reversibly transformed into each other, is striking and unique. 1962Gray's Anat. (ed. 33) 40 The thinner filaments believed to be largely composed of actin. |