Google's tool for predicting how proteins “fold” turns 5 this year. How is it fitting into biological research—and where is ...

Every function in a cell is associated with a particular protein or group of proteins, typically in a well-defined ...

Scientists at St. Jude Children's Research Hospital have created a database that provides updated predicted structures on a ...

Arginine (Arg, R): Arginine has a guanidinium group as its R group, a complex nitrogen-containing group that is positively charged at physiological pH. Arginine is highly basic and participates in ...

Using nanopore DNA sequencing technology, researchers have managed to scan a single protein: by slowly moving a linearized protein through a tiny nanopore, one amino acid at the time, the researchers ...

Chemists say they have solved a crucial problem in a theory of life’s beginnings, by demonstrating that RNA molecules can link short chains of amino acids together. The findings, published on 11 May ...