Scientists studying an enzyme that naturally produces alkanes—long carbon-chain molecules that could be a direct replacement for the hydrocarbons in gasoline—have figured out why the natural reaction typically stops after ...
Biochemistry
Feb 4, 2013
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(Phys.org)—Multiple RNA sequences can code for the same amino acid, but differences in their respective "optimality" slow or accelerate protein translation. Stanford biologists find optimal and non-optimal codons are consistently ...
Cell & Microbiology
Jan 31, 2013
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Biomembranes consist of a mosaic of individual, densely packed lipid molecules. These molecules are formed inside the cells. But how do these building blocks move to the correct part of the membrane? Researchers from Technische ...
Biochemistry
Jan 30, 2013
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Certain plants and animals protect themselves against temperatures below freezing with antifreeze proteins. How the larva of the beetle Dendroides canadensis manages to withstand temperatures down to -30 degrees Celsius is ...
Materials Science
Jan 2, 2013
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The immune system generates antibodies to mark threats that need to be eliminated, and these protein complexes bind their targets with remarkable strength and selectivity. Scientists have learned how to generate cell lines ...
Cell & Microbiology
Jan 2, 2013
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At crucial points in the metabolism of all organisms, a protein with the unwieldy name of Translation Elongation Factor P (EF-P, for short) takes center stage. What it actually does during protein synthesis has only now been ...
Cell & Microbiology
Dec 14, 2012
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The body's cell machinery often attaches sugar chains onto proteins to create molecules that play a crucial role in everything from protective immunity to structural stability. However, distinguishing between the different ...
Analytical Chemistry
Nov 30, 2012
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(Phys.org)—By following certain rules, scientists can prepare architectural plans for building ideal protein molecules not found in the real world. Based on these computer renditions, previously non-existent proteins can ...
Biochemistry
Nov 29, 2012
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"You look at the material world and see objects and how you can use them. I look at the material world and see a fascinating hidden life which is within our control, if we can only understand how it works," says Jane Lipson, ...
Polymers
Nov 16, 2012
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(Phys.org)—Researchers in the group of Centennial Professor of Chemistry, Samuel Danishefsky, have synthesized what is arguably the largest and most complex biological molecule ever assembled by the methods of organic chemistry. ...
Biochemistry
Nov 12, 2012
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