Researchers devised a reversibly lockable DNA device for enclosing an enzyme and controlling its access to substrates. Turning on and off the activity of a single enzyme on demand is a much desired ...

Investigators at St. Jude Children's Research Hospital have discovered a new way that an enzyme crucial to the cell's ability to decode genes and duplicate chromosomes can be turned into a poison ...

Motion is crucial for proper functioning of a kinase enzyme, scientists have found. Not only must the kinase have all needed parts in place, the enzyme must move in the correct manner and at the ...

Researchers have discovered an enzyme crucial to a type of DNA repair that also causes resistance to a class of cancer drugs most commonly used against ovarian cancer. Researchers have discovered an ...

Scientists discovered a key molecular switch to keep neurons healthy by controlling the disassembly and assembly of their energy-generating powerhouses, the mitochondria. The study illustrates how a ...

Far from having adverse effects limited to the mouth, smokeless tobacco affects the normal function of a key family of enzymes found in almost every organ in the body, according to the first report on ...