The four subunits of the tetrameric voltage-sensitive HCN channel have different cAMP binding affinities, with the second and fourth binding events being positively cooperative and the third being ...

Electron cryomicroscopy structures are provided for all core and supernumerary protein subunits of mammalian complex I, a 45-subunit enzyme that powers eukaryotic respiration. The first enzyme of ...

As defects become trapped in a growing capsid by further addition of subunits, the thermodynamically stable state becomes kinetically inaccessible. Figure 3: Snapshots from dynamical trajectories. For ...

Here, we present a catalog of true PEP subunits that is based on comparative analyses from biochemical purifications, protein mass spectrometry, and phenotypic analyses. We regard reproducibly ...

Data from 135 nursing subunits were used to identify a set of organizational variables that best explained the grouping of activities into nursing subunits in hospitals. Relatively strong support was ...

NMDA receptors are composed of four distinct subunits: two glycine-binding GluN1 subunits and two glutamate-binding GluN2 subunits. These subunits are assembled in a heterotetrameric way to form a ...

Three-dimensional images of human small ribosomal subunits offer the most detailed explanation for how the cell's protein-making machines are assembled. All cells need ribosomes to make the ...

Sources British Society for Cell Biology-Ribosome Ben-Shem A, Garreau de Loubresse N, Melnikov S, Jenner L, Yusupova G, Yusupov M (February 2011). "The structure of the eukaryotic ribosome at 3.0 ...