Myosin-V processively walks on actin filaments in a hand-over-hand fashion. The identical structures of the heads predict a symmetric hand-over-hand mechanism where regular, unidirectional rotation ...

The sliding filament model underlies all types of muscle contractions. Here are the three main types: Concentric Contraction: ...

In the human body, hundreds of different types of biomolecular motors help carry out such essential tasks as muscle contraction, moving chromosomes during cell division, and reloading nerve cells so ...

CHAMPAIGN, Ill. -- Scientists have developed an extremely accurate imaging technique for looking inside the machinery of a cell and have found that molecules of myosin "walk" in a fashion very much ...

The actin and myosin complex (actomyosin) generates contraction force of a muscle utilizing the adenosine triphosphate (ATP) hydrolysis reaction. Many attempts have thus been made to explain the ...

Mutations in β-cardiac myosin, the predominant motor protein for human heart contraction, can alter power output and cause cardiomyopathy. However, measurements of the intrinsic force, velocity, and ...