Dynamics of myosin light chain phosphorylation at Ser19 and Thr18/Ser19in smooth muscle cells in culture

K Sakurada, M Seto, Y Sasaki - American Journal of …, 1998 - journals.physiology.org
Using the specific antibodies pLC1 and pLC2 for mono-and diphosphorylated 20-kDa
myosin light chain (MLC20) at Ser19 and at both Thr18 and Ser19, respectively, we …

The phosphorylation of myosin II at the Ser1 and Ser2 is critical for normal platelet-derived growth factor–induced reorganization of myosin filaments

S Komatsu, M Ikebe - Molecular biology of the cell, 2007 - Am Soc Cell Biol
Phosphorylation of the regulatory light chain of myosin II (MLC20) at the activation sites
promotes both the motor activity and the filament formation of myosin II, thus playing an …

Stimulus-specific patterns of myosin light chain phosphorylation in smooth muscle of rabbit thoracic artery

M Seto, Y Sasaki, Y Sasaki - Pflügers Archiv, 1990 - Springer
When the rabbit thoracic artery was stimulated with submaximal concentrations of agonist
[40 mM K+, 30 μM prostaglandin F 2α (PGF 2α) or 7 μM histamine], about 90% of a maximal …

Myosin light chain diphosphorylation is enhanced by growth promotion of cultured smooth muscle cells

M Seto, K Sakurada, KE Kamm, JT Stull, Y Sasaki - Pflügers Archiv, 1996 - Springer
The characteristics of actively growing smooth muscle cells (a variant, SM-3) were compared
with those of growth-arrested cells with regard to response of myosin light chain (MLC) …

Expression of smooth muscle myosin light chain 17 and unloaded shortening in single smooth muscle cells

TJ Eddinger, AA Korwek, DP Meer… - American Journal of …, 2000 - journals.physiology.org
These experiments were performed to test the hypotheses that myosin light chain 17
(MLC17) a and b isoform expression varies between individual vascular smooth muscle …

Specific localization of serine 19 phosphorylated myosin II during cell locomotion and mitosis of cultured cells

F Matsumura, S Ono, Y Yamakita… - The Journal of cell …, 1998 - rupress.org
Phosphorylation of the regulatory light chain of myosin II (RMLC) at Serine 19 by a specific
enzyme, MLC kinase, is believed to control the contractility of actomyosin in smooth muscle …

Myosin regulatory light chain diphosphorylation slows relaxation of arterial smooth muscle

C Sutherland, MP Walsh - Journal of Biological Chemistry, 2012 - ASBMB
The principal signal to activate smooth muscle contraction is phosphorylation of the
regulatory light chains of myosin (LC 20) at Ser 19 by Ca 2+/calmodulin-dependent myosin …

Quantifying myosin light chain phosphorylation in single adherent cells with automated fluorescence microscopy

K Bhadriraju, JT Elliott, M Nguyen, AL Plant - BMC cell biology, 2007 - Springer
Background In anchorage dependent cells, myosin generated contractile forces affect
events closely associated with adhesion such as the formation of stress fibers and focal …

Spatial localization of mono-and diphosphorylated myosin II regulatory light chain at the leading edge of motile HeLa cells

T Uchimura, K Fumoto, Y Yamamoto, K Ueda… - Cell Structure and …, 2002 - jstage.jst.go.jp
Nonmuscle myosin II activity is regulated by phosphorylation of the myosin II regulatory light
chain (MRLC) at Ser19 or at both Thr18 and Ser19, and the phosphorylation of MRLC …

Myosin light chain kinase as a multifunctional regulatory protein of smooth muscle contraction

Y Gao, LH Ye, H Kishi, T Okagaki, K Samizo… - IUBMB …, 2001 - Wiley Online Library
Myosin light chain kinase (MLCK) is a regulatory protein for smooth muscle contraction,
which acts by phosphorylating 20‐kDa myosin light chain (MLC20) to activate the myosin …