News tagged with enzyme protein
Biologists offer clearer picture of how protein machine systems tweak gene expression
Indiana University biologists have found that specific types of RNA polymerase enzymes, the molecular machines that convert DNA into RNA, can differ in function based on variation in the parts -- in this case ...
Mar 01, 2012 |
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Mapping of protein inhibitors facilitates development of tailor-made anticancer agents
(PhysOrg.com) -- A team of researchers at Karolinska Institutet in Sweden has generated a map over the effects of small drug-like molecules on PARP1 and other similar proteins in the body. This map may explain the mechanism ...
Feb 20, 2012 |
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No entry without protein recycling: Researchers discover new coherence in enzyme transport
The group of Prof. Dr. Ralf Erdmann at the Ruhr-Universität Bochum, Germany, discovered a connection of peroxisomal protein import and receptor export. In the Journal of Biological Chemistry, they disclo ...
Feb 10, 2012 |
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Foldit gamers improve protein design through crowdsourcing
(PhysOrg.com) -- Gamers on Foldit have succeeded in improving the catalyst abilities of an enzyme, making it 18-fold more active than the original version. The idea is the brainchild of University of Washington ...
Jan 25, 2012 |
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Twenty-year protein mystery solved with surprising results
(PhysOrg.com) -- A new study of the CRYM protein, previously connected with deafness and cancer, has now proven that it has an enzymatic function. This opens up new implications for the treatment of neurological ...
Jan 11, 2012 |
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Modifications to chromosomal proteins help ensure that brain-specific sugars are produced only in appropriate tissues
Many proteins are adorned with carbohydrate chains called glycans that can dramatically alter their stability, localization or function. These diverse sugars are assembled and modified by a variety of glycosylating ...
Dec 16, 2011 |
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Research group develops more efficient artificial enzyme
(PhysOrg.com) -- A research group based out of the University of Michigan, and led by Vincent Pecoraro has successfully created a computer designed artificial enzyme that can serve as a catalyst for converting ...
Nov 28, 2011 |
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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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Fundamental discovery casts enzymes in new light
Just as a breeze causes leaves, branches and ultimately the tree to move, enzymes moving at the molecular level perform hundreds of chemical processes that have a ripple effect necessary for life. Protein complexes are often ...
Nov 08, 2011 |
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Good housekeeping maintains a healthy liver
Differences in the levels of two key metabolic enzymes may explain why some people are more susceptible to liver damage, according to a study in the October 17 issue of the Journal of Cell Biology.
Oct 17, 2011 |
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Oxygen inactivates the enzyme function in three phases: study
Scientists from the Faculty of Biology and Biotechnology at the RUB have published a report in the Journal of Biological Chemistry explaining why enzymes used for the production of hydrogen are so sensitive to oxygen. In col ...
Oct 12, 2011 |
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For unzipping DNA mysteries -- literally -- physicists discover how a vital enzyme works
With an eye toward understanding DNA replication, Cornell researchers have learned how a helicase enzyme works to actually unzip the two strands of DNA.
Sep 18, 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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Colorful eco-textiles thanks to nano-sized enzymes
To address the problems encountered by the traditional European dyes industry, scientists have developed a new and environmentally friendly way to produce dyes.
Nanotechnology / Bio & Medicine
Sep 15, 2011 |
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A question of gene silencing
When investigating cancer cells, researchers discovered numerous peculiarities: Particular RNA molecules are present in large numbers, particular genes are overactive. Do these characteristics have a relation to cancer? Do ...
Aug 24, 2011 |
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