Seren is attempting to get into her house but is having some difficulty as her key won’t fit in the lock. In anger, she questions what is wrong with her lock and key. Alfred, the science app, responds ...

Different keys are not supposed to fit the same lock, but in biological systems multiple versions of a catalyst all make a reaction go, according to a new study that explains the phenomenon. The study ...

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 ...

Enzymes act as catalysts within the living cells and are made up of proteins. All chemical reactions occurring in a living organism are dependent on the catalytic actions of enzymes, and this is why ...

The main enzymes that drive cell division can work on numerous substrates, but how is their specificity ensured? Regulatory subunits show the way, using various tricks to guide enzymes to their ...