News tagged with enzyme protein
In nitrogenase - enzyme critical for life, X-ray emission cracks mystery atom
Like a shadowy character just hidden from view, a mystery atom in the middle of a complex enzyme called nitrogenase had long hindered scientists' ability to study the enzyme fully.
Nov 17, 2011 |
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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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Making blood-sucking deadly for mosquitoes
Inhibiting a molecular process cells use to direct proteins to their proper destinations causes more than 90 percent of affected mosquitoes to die within 48 hours of blood feeding, a UA team of biochemists ...
Jul 18, 2011 |
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Termites' digestive system could act as biofuel refinery
One of the peskiest household pests, while disastrous to homes, could prove to be a boon for cars, according to a Purdue University study.
Jul 05, 2011 |
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Study shows how mosquitoes handle the heat of a hot blood meal
Mosquitoes make proteins to help them handle the stressful spike in body temperature that's prompted by their hot blood meals, a new study has found.
Apr 25, 2011 |
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Nano fit-ness: Helping enzymes stay active and keep in shape
Proteins are critically important to life and the human body. They are also among the most complex molecules in nature, and there is much we still don't know or understand about them.
Apr 06, 2011 |
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Protein adaptation shows that life on early earth lived in a hot, acidic environment
A new study reveals that a group of ancient enzymes adapted to substantial changes in ocean temperature and acidity during the last four billion years, providing evidence that life on Early Earth evolved from ...
Apr 04, 2011 |
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Physicists control chemical reactions mechanically
(PhysOrg.com) -- UCLA physicists have taken a significant step in controlling chemical reactions mechanically, an important advance in nanotechnology, UCLA physics professor Giovanni Zocchi and colleagues report.
Sep 17, 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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Suppressing activity of common intestinal bacteria reduces tumor growth
A team of University of California, San Diego School of Medicine researchers has discovered that common intestinal bacteria appear to promote tumor growths in genetically susceptible mice, but that tumorigenesis can be suppressed ...
May 09, 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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Unselfish molecules may have helped give birth to the genetic material of life (w/ Video)
One of the biggest questions facing scientists today is how life began. How did non-living molecules come together in that primordial ooze to form the polymers of life? Scientists at the Georgia Institute of Technology have ...
Mar 08, 2010 |
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Venomous bite: Harmless digestive enzyme evolved into venom in two species
(PhysOrg.com) -- Biologists have shown that independent but similar molecular changes turned a harmless digestive enzyme into a toxin in two unrelated species -- a shrew and a lizard -- giving each a venomous ...
Oct 29, 2009 |
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New microchip technology performs 1,000 chemical reactions at once
(PhysOrg.com) -- Flasks, beakers and hot plates may soon be a thing of the past in chemistry labs. Instead of handling a few experiments on a bench top, scientists may simply pop a microchip into a computer ...
Chemistry / Analytical Chemistry
Aug 03, 2009 |
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Discovery fleshes out metabolism of key environmental and energy bacteria
An international collaboration of researchers has discovered a new enzyme in a species of bacteria with potential environmental cleanup and energy roles. This is the first multi-protein enzyme of its kind. ...
Feb 02, 2009 |
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