"Enzymes are really remarkable little machines, but our understanding of exactly how they work has been lacking." There are lots of ideas and theories that make sense, Herschlag said, but ...

Let's take a closer look at what makes up an enzyme. Enzymes are proteins—large molecules that do the behind-the-scenes work that keep all living things alive. These proteins are made up of ...

A U.K. startup, originating from founder Jacob Nathan's high school science project on using enzymes to break down plastic ...

As effective biological catalysts, enzymes work by lowering a reaction’s activation energy barrier, thereby increasing the rate of the reaction. They also improve the specificity of the reactions.

Basically, they increase the pain you feel. NSAIDs work on a chemical level. They block the effects of special enzymes -- specifically Cox-1 and Cox-2 enzymes. These enzymes play a key role in ...

An enzyme that blocks the tumour's defences The ... Lymphatic vessels have long been regarded as simple transport routes. ''Our work clearly shows the much more complex role of the cells that ...

Scientists at Case Western Reserve University and University Hospitals have made an important discovery that could change how ...

That bond must be broken again by one of the other reactions, or the enzyme becomes inactivated. To get all these reactions to work, the enzymes all have a key amino acid that's at a critical ...

Carbohydrate chains, or glycans, are complex sugar-like compounds that play important roles in various biological processes and structures in our bodies.