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. 1981 Jan 30;211(4481):495-7.
doi: 10.1126/science.6893872.

Myosin phosphorylation and the cross-bridge cycle in arterial smooth muscle

P F Dillon, M O Aksoy, S P Driska, R A Murphy

Myosin phosphorylation and the cross-bridge cycle in arterial smooth muscle

P F Dillon et al. Science. .

Abstract

Phosphorylation of the 20,000-dalton light chain of myosin is closely correlated with cross-bridge cycling in arterial smooth muscle. Evidence is presented that dephosphorylation can produce an attached, noncycling cross-bridge (latch-bridge) which is responsible for the high economy of force maintenance in this tissue.

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