This monomer inhibits the enzyme with high affinity (K i = 40 μM) holding it in place near the growing particle and hence allowing the polymer chains to adapt to the shape of the protein surface ...

Different enzymes contain up to 20 different amino acids linked together to form a chain which then folds into the globular enzyme shape. Enzymes have active sites which only match specific ...

Engineered starfish oocytes shape-shift in response to light, may enable the design of synthetic, light-activated cells for ...

In an organism, the active site of each enzyme is a different shape. It is a perfect match to the shape of the substrate molecule, or molecules. This is essential to the enzyme being able to work.

The researchers observed that light activated the enzyme, causing predictable cell movements. For example, specific light ...

Life takes shape with the motion of a single cell. In response to signals from certain proteins and enzymes, a cell can start to move and shake, leading to contractions that cause it to squeeze, pinch ...

For an enzyme to function, it adopts a shape that perfectly matches the molecule it processes, much like a lock matches a key. The unique grooves in the enzyme – the lock – that interact with ...

Enzymes are proteins that can change shape and therefore become active or inactive. An activator molecule (green pentagon) can bind to an enzyme (light green puzzle shape) and change its overall ...