A breakthrough on protein folding could unlock new possibilities into disease understanding and drug discovery, among other fields.(Photo: DeepMind)

Anew discovery about "protein folding" could unlock a world of possibilities into the understanding ofeverything from diseases to drugs, researchers say.

The breakthrough that is sending ripples of excitement throughthe science and medical communities this week deals with theshapestiny proteins in our bodies essential to all life fold into.

The so-called "protein-folding problem" has puzzled scientists for five decades, and the discovery this week from the London-based artificial intelligence lab DeepMind has been heralded as a major milestone.

"This computational work represents a stunning advance on the protein-folding problem, a 50-year old grand challenge in biology," said Venki Ramakrishnan, president of the U.K.'s Royal Society. "It has occurred decades before many people in the field would have predicted. It will be exciting to see the many ways in which it will fundamentally change biological research.

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Proteins are essential to life, supporting practically all of its functions, according to DeepMind, which is owned by Google. They are large, complex molecules, made up of chains of amino acids, and what a protein does largely depends on its unique 3D structure.

The ability to predict protein structures accurately enables a better understanding of what they do and how they work.

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When proteins are translated from their DNA codes, they quickly transform from a non-functional, unfolded state into their folded, functional state. Problems in folding can lead to diseases such asAlzheimer's and Parkinson's.

The companys breakthrough essentially means that it figured out how to use artificial intelligence to deliver relatively quick answers to questions about protein structure and function that would take many months or years to solve using currently available methods, according to STAT News.

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DeepMinds program, called AlphaFold, outperformed about 100 other teams in a biennial protein-structure prediction challenge called CASP, short for Critical Assessment of Structure Prediction, according to the journal Nature.

We have been stuck on this one problem how do proteins fold up for nearly 50 years," said University of Maryland professor John Moult, co-founder and chair of CASP. "To see DeepMind produce a solution for this, having worked personally on this problem for so long and after so many stops and starts wondering if wed ever get there, is a very special moment.

Researchers from DeepMind plan to publish their results in a peer-reviewed journal in the near future.

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'Stunning advance' on 'protein folding': A 50-year-old science problem solved and that could mean big things - USA TODAY