Life on Earth is complex and varied, but every living organism on the planet builds its proteins from the same set of 20 amino acids. All proteins in a human body, for example, are made up of some ...

With few exceptions, all known proteins are built up from only twenty amino acids. 25 years ago scientists discovered a 21st amino acid, selenocysteine and ten years ago a 22nd, the pyrrolysine.

A team of investigators at The Scripps Research Institute and its Skaggs Institute for Chemical Biology in La Jolla, California has modified a form of the bacterium Escherichia coli to use a 22-amino ...

From time immemorial, every living thing has shared the same basic set of building blocks -- 20 amino acids from which all proteins are made. That is, until now: A group of scientists say they have, ...

How can just four nitrogenous bases--adenine, cytosine, guanine, and uracil--possibly code for all 20 amino acids? Thus, early researchers quickly determined that the smallest combination of As, Cs, ...

Using quantum chemical methods, a team of researchers led by Dr. Matthias Granold and Professor Bernd Moosmann of the Institute of Pathobiochemistry at Johannes Gutenberg University Mainz solved one ...

Serine? So last century. Valine? Over it. Glycine? You’ve got to be kidding me. Those chemicals are part of the 20 amino acids that are typically incorporated into proteins. That means they have a ...

A team of investigators at The Scripps Research Institute and its Skaggs Institute for Chemical Biology in La Jolla, California has modified a form of the bacterium Escherichia coli to use a 22-amino ...