News tagged with enzyme

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The epigenetic switchboard

Epigenetic signals help determine which genes are activated at which time in a given cell. A novel analytical method enables systematic characterization of the relevant epigenetic tags, and reveals that the system adapts ...

dateJan 12, 2015 in Cell & Microbiology
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'Seeing' hydrogen atoms to unveil enzyme catalysis

(Phys.org) —Enzymes are catalysts that speed up chemical reactions in living organisms and control many cellular biological processes by converting a molecule, or substrate, into a product used by the cell. For scientists, ...

dateJan 08, 2015 in Biochemistry
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'Global positioning' for molecules

In everyday life, the global positioning system (GPS) can be employed to reliably determine the momentary location of one en route to the desired destination. Scientists from the Institute of Physical and Theoretical Chemistry ...

dateDec 19, 2014 in Biochemistry
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Scientists find key to vitamin A metabolism

Researchers at Case Western Reserve University School of Medicine have uncovered the mechanism that enables the enzyme Lecithin: retinol acyltransferase (LRAT) to store vitamin A—a process that is indispensable for vision.

dateDec 10, 2014 in Biochemistry
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