News tagged with enzymes structure
Another piece of the ion pump puzzle
From bacteria to humans, all cells use molecules of adenosine triphosphate (ATP) as fuel to power a broad range of biochemical reactions. For example, massive multi-subunit enzymes known as V-ATPases convert ...
Mar 16, 2012 |
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Protein study gives fresh impetus in fight against superbugs
Scientists have shed new light on the way superbugs such as MRSA are able to become resistant to treatment with antibiotics.
Jan 31, 2012 |
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New study sheds light on evolutionary origin of oxygen-based cellular respiration
Researchers at the RIKEN SPring-8 Center in Harima, Japan, have clarified the crystal structure of quinol dependent nitric oxide reductase (qNOR), a bacterial enzyme that offers clues on the origins of our ...
Jan 22, 2012 |
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No more free rides for 'piggy-backing' viruses
Scientists have determined the structure of the enzyme endomannosidase, significantly advancing our understanding of how a group of devastating human viruses including HIV and Hepatitis C hijack human enzymes to reproduce ...
Jan 04, 2012 |
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Gamers succeed where scientists fail: Molecular structure of retrovirus enzyme solved
Gamers have solved the structure of a retrovirus enzyme whose configuration had stumped scientists for more than a decade. The gamers achieved their discovery by playing Foldit, an online game that allows players to collaborate ...
Sep 18, 2011 |
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Study suggests enzyme crucial to DNA replication may provide potent anti-cancer drug target
(PhysOrg.com) -- An enzyme essential for DNA replication and repair in humans works in a way that might be exploited as anti-cancer therapy, say researchers at The Scripps Research Institute and Lawrence Berkeley ...
Apr 14, 2011 |
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New method takes snapshots of proteins as they fold
(PhysOrg.com) -- People have only 20,000 to 30,000 genes (the number is hotly contested), but they use those genes to make more than 2 million proteins. It's the protein molecules that domost of the work in ...
Jan 10, 2011 |
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Scientists identify key enzyme in microbial immune system
Imagine a war in which you are vastly outnumbered by an enemy that is utterly relentless - attacking you is all it does. The intro to another Terminator movie? No, just another day for microbes such as bacteria ...
Sep 09, 2010 |
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Scientists develop the first atomic view of key genetic processes (w/ Video)
In a landmark study to be published in the journal Nature, scientists have been able to create the first picture of genetic processes that happen inside every cell of our bodies. Using a 3-D visualization method ...
Aug 25, 2010 |
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Exploring the role of gut bacteria in digestion
They congregate in the environments that suit them best; some prefer the dry, desert-like conditions of our forearms while others thrive in the Amazon-style humidity of our feet.
Aug 19, 2010 |
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Proteins prove their metal
(PhysOrg.com) -- The word 'metal' conjures up images of machines and heavy industry but metals are also intimately involved in the biological processes that regulate our bodies and underpin new energy technologies.
Jul 07, 2010 |
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Chemical engineer patents enzymatic preparation to make natural ingredients in the lab
A Kansas State University chemical engineer has developed and patented a chemical structure to make all-natural personal care products and purer pharmaceuticals in the laboratory.
Jun 22, 2010 |
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Fluorescent compounds make tumors glow
A series of novel imaging agents could light up tumors as they begin to form - before they turn deadly - and signal their transition to aggressive cancers.
Apr 29, 2010 |
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Cornell researchers reveal structure of key protein
(PhysOrg.com) -- For the first time, researchers -- all Cornell scientists -- have characterized the structure of a protein that belongs to certain enzymes that are essential for proper functioning in all ...
Apr 21, 2010 |
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Scientists take a step towards uncovering the histone code
Researchers at Emory University School of Medicine have determined the structures of two enzymes that customize histones, the spool-like proteins around which DNA coils inside the cell.
Dec 20, 2009 |
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