There are 20 amino acids that make up proteins and all have the same basic structure, differing only in the R-group or side chain they have. Amino acids are in an equilibrium between two acids with ...

This incredible array of functions derives from a startlingly simple code that ... component called a side chain (see below). Within a protein, multiple amino acids are linked together by peptide ...

Meteorites and comets likely carried simple amino acid chains to early Earth, which led to the creation of life, scientists confirmed in a series of experiments. It is widely thought that ...

The loss of muscle mass and strength poses an increasingly significant challenge for an aging society. Prof. Kristina ...

The sequence of amino acids in the chain determines how the chain will fold up to make the protein, so different proteins have different three-dimensional shapes. The three-dimensional shape of a ...