New research sheds light on how cells repair damaged DNA. For the first time, the team has mapped the activity of repair proteins in individual human cells. The study demonstrates how these proteins ...

The left-handed spiral of each Z-DNA strand is highlighted on the left. Binding and bonding of the two zinc finger domains (shown in red) from the CTCF protein to Z-DNA (shown in blue). This protein ...

Researchers at Genentech Inc. and UC Davis have worked out the structure of the RAD51 complex, which repairs breaks in DNA. When DNA experiences a double-strand break, enzymes trim back one of the two ...

Some of your most important life partners are the mitochondria that power all your cells. You and these little cellular ...

Getting DNA into a living cell sounds simple, until you remember the cell’s outer membrane acts like a guarded wall. DNA strands carry a negative charge, and they do not cross that wall easily. So for ...