News tagged with enzymes structure


Vitamin B1 biosynthesis: Think Rubik's cube

Vitamin B1 biosynthesis: Think Rubik's cube

Chemistry /

created Nov 20, 2008 | popularity 4.8 / 5 (5) | comments 0

(PhysOrg.com) -- A key enzyme in the biosynthesis of vitamin B1 has somehow evolved the ability to perform a complex series of some 15 to 20 steps, report two Cornell chemists.





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New explanation for nature's hardiest life form

Biology / Cell & Microbiology

created Nov 12, 2009 | popularity 4.3 / 5 (8) | comments 0

Got food poisoning? The cause might be bacterial spores, en extremely hardy survival form of bacteria, a nightmare for health care and the food industry and an enigma for scientists. Spore-forming bacteria, present almost ...


Scientists Plot Genetic Ploy Against Grain Pest

Scientists Plot Genetic Ploy Against Grain Pest

Biology / Other

created Nov 03, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Aided by a genomic map of the red flour beetle, Tribolium castaneum, Agricultural Research Service (ARS) and university scientists are plotting a kind of genetic sabotage on the pest’s basic ...


Scientists are first to observe the global motions of an enzyme copying DNA

Scientists Are First To Observe The Global Motions Of An Enzyme Copyinng DNA

Chemistry / Biochemistry

created Oct 27, 2009 | popularity not rated yet | comments 0

(PhysOrg.com) -- Scientists here have identified how the motions of an enzyme are related to correctly copying genetic instructions, setting the stage for studies that can uncover what happens when DNA copying ...


Inventive approach may improve enzyme replacement therapy for Fabry disease

Medicine & Health / Genetics

created Oct 22, 2009 | popularity not rated yet | comments 0

A new study uses a creative structure-based remodeling strategy to design a therapeutic protein that exhibits significant advantages over currently available treatments for a rare disease that often leads to cardiac and renal ...


Biochemical 'On-Switch' Could Solve Protein Purification Challenge

Biochemical 'On-Switch' Could Solve Protein Purification Challenge

Chemistry / Biochemistry

created Oct 20, 2009 | popularity not rated yet | comments 0

(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 ...


Discovery of enzyme structure points way to creating less toxic anti-HIV drugs

Biology / Cell & Microbiology

created Oct 15, 2009 | popularity not rated yet | comments 0

By discovering the atomic structure of a key human enzyme, researchers at The University of Texas at Austin have pointed the way toward designing anti-HIV drugs with far less toxic side effects.


Scientists visualize assembly line gears in ribosomes, cell's protein factory

Biology / Cell & Microbiology

created Oct 15, 2009 | popularity 4.5 / 5 (4) | comments 0

Even as research on the ribosome, one of the cell's most basic machines, is recognized with a Nobel Prize, scientists continue to achieve new insights on the way ribosomes work.


Stretching the Golgi: a link between form and function

Stretching the Golgi: a link between form and function

Biology / Cell & Microbiology

created Oct 15, 2009 | popularity 4.9 / 5 (18) | comments 0

A research team at the University of California, San Diego School of Medicine has provided a surprisingly simple explanation for the mechanism and features of the "Golgi apparatus" - a structure that has baffled ...


Silence of the genes

Silence of the genes

Chemistry / Biochemistry

created Oct 13, 2009 | popularity 5 / 5 (1) | comments 2

The molecular architecture of a protein complex that helps determine the fate of human cells has been imaged for the first time by researchers with the U.S. Department of Energy's Lawrence Berkeley National ...


Researchers discover RNA repair system in bacteria

Biology / Cell & Microbiology

created Oct 12, 2009 | popularity 4.7 / 5 (6) | comments 0

In new papers appearing this month in Science and the Proceedings of the National Academy of Sciences, University of Illinois biochemistry professor Raven H. Huang and his colleagues describe the first RNA repair system to be ...



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