Protein phosphorylation is a process by which proteins are flipped from one activation state to another. It is a crucial function for most living beings, since phosphorylation controls nearly every cellular process, including ...
Cell & Microbiology
Mar 24, 2010
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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 ...
Cell & Microbiology
Mar 8, 2010
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How does a cell manage to identify and degrade the diverse types of defective proteins and thus protect the body against serious diseases? The researchers Sabine C. Horn, Professor Thomas Sommer, Professor Udo Heinemann and ...
Biochemistry
Dec 11, 2009
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An important Brandeis study appearing in the December 3 issue of Nature raises the curtain on the hidden lives of proteins at the atomic level. The study reports that for the first time, researchers used x-ray crystallography ...
Biochemistry
Dec 2, 2009
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Researchers from the California Institute of Technology (Caltech) have been able to view in detail, and for the first time, the previously mysterious process by which long chains of a protein called ubiquitin are added by ...
Cell & Microbiology
Dec 2, 2009
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Researchers at UAB in collaboration with the University of Stellenbosch, South Africa, have discovered the structure of the PPC descarboxilase (PPCDC) enzyme present in the yeast Saccharomyces cerevisiae, a very important ...
Biochemistry
Nov 4, 2009
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(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 bite.
Plants & Animals
Oct 29, 2009
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(PhysOrg.com) -- Drugs based on engineered proteins represent a new frontier for pharmaceutical makers. Even after they discover a protein that may form the basis of the next wonder drug, however, they have to confront a ...
Biochemistry
Oct 20, 2009
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Flasks, beakers, and hot plates may soon be a thing of the past in medicinal chemistry labs. Instead of handling a few experiments on a benchtop, scientists may simply pop a microchip into a computer and instantly run thousands ...
Analytical Chemistry
Sep 27, 2009
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(PhysOrg.com) -- Inventing a useful new tool for creating chemical reactions between single molecules, scientists at the National Institute of Standards and Technology have employed microfluidics -- the manipulation of fluids ...
Nanophysics
Sep 22, 2009
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