The membrane of the cell protects the cell from its surroundings and divides it into internal compartments; it is responsible for metabolism, energy production, communication with other cells and much ...

However, the structure of the winged-helix protein, hRFX1, bound to DNA reported in a recent issue of Nature 1 has revealed a striking counter example to this rule. Figure 1: Structure of two ...

Most people at the time thought the gene would be protein, not nucleic acid ... that many proteins take the shape of an alpha helix, spiraled like a spring coil. In 1950, biochemist Erwin Chargaff ...

This process of protein synthesis occurs in two stages ... The two strands of the DNA helix are unzipped by breaking of the weak Hydrogen bonds between base pairs. This unwinding of the helix ...