Myosin-V is a processive actin-based motor

AD Mehta, RS Rock, M Rief, JA Spudich, MS Mooseker… - Nature, 1999 - nature.com
Class-V myosins, one of 15 known classes of actin-based molecular motors, have been
implicated in several forms of organelle transport 1 , 2 , 3 , 4 , 5 perhaps working with microtubule…

Myosin-V stepping kinetics: a molecular model for processivity

M Rief, RS Rock, AD Mehta… - Proceedings of the …, 2000 - National Acad Sciences
Myosin-V is a molecular motor that moves processively along its actin track. We have used
a feedback-enhanced optical trap to examine the stepping kinetics of this movement. By …

Myosin VI is a processive motor with a large step size

RS Rock, SE Rice, AL Wells… - Proceedings of the …, 2001 - National Acad Sciences
Myosin VI is a molecular motor involved in intracellular vesicle and organelle transport. To
carry out its cellular functions myosin VI moves toward the pointed end of actin, backward in …

Single molecule high-resolution colocalization of Cy3 and Cy5 attached to macromolecules measures intramolecular distances through time

LS Churchman, Z Ökten, RS Rock… - Proceedings of the …, 2005 - National Acad Sciences
Here we present a technique called single-molecule high-resolution colocalization (SHREC)
of fluorescent dyes that allows the measurement of interfluorophore distances in …

[PDF][PDF] Mechanosensing through cooperative interactions between myosin II and the actin crosslinker cortexillin I

…, M Norstrom, T Luo, RA Firtel, PA Iglesias, RS Rock… - Current Biology, 2009 - cell.com
Background Mechanosensing governs many processes from molecular to organismal levels,
including during cytokinesis where it ensures successful and symmetrical cell division. …

[HTML][HTML] Actin cross-link assembly and disassembly mechanics for α-actinin and fascin

DS Courson, RS Rock - Journal of Biological Chemistry, 2010 - ASBMB
Self-assembly of complex structures is commonplace in biology but often poorly understood.
In the case of the actin cytoskeleton, a great deal is known about the components that …

[HTML][HTML] Actin filament bundling by fimbrin is important for endocytosis, cytokinesis, and polarization in fission yeast

…, AJ Bestul, JD Winkelman, RS Rock… - Journal of Biological …, 2011 - ASBMB
Through the coordinated action of diverse actin-binding proteins, cells simultaneously
assemble actin filaments with distinct architectures and dynamics to drive different processes. …

A myosin motor that selects bundled actin for motility

…, CM Brawley, PA Smithback, RS Rock - Proceedings of the …, 2008 - National Acad Sciences
Eukaryotic cells organize their contents through trafficking along cytoskeletal filaments. The
leading edge of a typical metazoan cytoskeleton consists of a dense and complex …

Myosin VI walks hand-over-hand along actin

Z Ökten, LS Churchman, RS Rock… - Nature structural & …, 2004 - nature.com
Myosin VI is a molecular motor that can walk processively on actin filaments with a 36-nm
step size. The walking mechanism of myosin VI is controversial because it takes very large …

[HTML][HTML] Unconventional processive mechanics of non-muscle myosin IIB

MF Norstrom, PA Smithback, RS Rock - Journal of biological chemistry, 2010 - ASBMB
Proper tension maintenance in the cytoskeleton is essential for regulated cell polarity, cell
motility, and division. Non-muscle myosin IIB (NMIIB) generates tension along actin filaments …