Determining the chemical formula of a protein is fairly straightforward, because all proteins are essentially long chains of molecules called amino acids. Each chain, however, folds into a unique three-dimensional shape that ...
Biochemistry
Jun 9, 2016
0
6
A team led by the Department of Energy's Oak Ridge National Laboratory used neutron analysis to better understand a protein implicated in the replication of HIV, the retrovirus that causes AIDS. The enzyme, known as HIV-1 ...
Biochemistry
May 20, 2016
0
517
HIV, the virus that causes AIDS, has become one of the world's most serious health and development challenges. Currently, there are approximately 36.9 million people living with HIV and tens of millions of people have died ...
Biochemistry
May 10, 2016
0
8
The nerve agent sarin causes a deadly overstimulation of the nervous system that can be stopped if treated with an antidote within minutes of poisoning. Today, a ground-breaking study has been published in PNAS, which in ...
Biochemistry
May 3, 2016
0
542
Caltech scientists have produced the most detailed map yet of the massive protein machine that controls access to the DNA-containing heart of the cell.
Biochemistry
Apr 15, 2016
0
2157
A new 3-D modeling and data-extraction technique is about to transform the field of X-ray crystallography, with potential benefits for both the pharmaceutical industry and structural biology. A paper this week in Proceedings ...
Biochemistry
Mar 30, 2016
0
17
Often the most difficult step in taking atomic-resolution images of biological molecules is getting them to form high-quality crystals needed for X-ray studies of their structure. Now researchers have shown they can get sharp ...
General Physics
Feb 10, 2016
0
548
A huge snowstorm could dump more than two feet of snow all over the East Coast, and that means trillions and trillions of tiny snowflakes.
Other
Jan 21, 2016
0
23
Researchers have worked out how some bacteria rip hydrogen apart to produce energy, just like a biological fuel cell. In the process they question the current ideas of how this happens and possibly move one step closer to ...
Materials Science
Jan 6, 2016
1
1270
A wide variety of fruits and vegetables contain oxalate. But humans and most other animals lack the ability to metabolize this molecule—that is, to break it down while digesting it. And so for some people, a buildup of ...
Biochemistry
Dec 29, 2015
4
948
