Structural basis for photoswitching in fluorescent proteins brought into focus

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Graphic shows models of the on and off structural alignments of a photoswitchable fluorescent protein. Credit: Courtesy S. James Remington
Graphic shows models of the on and off structural alignments of a photoswitchable fluorescent protein. Credit: Courtesy S. James Remington

University of Oregon scientists have identified molecular features that determine the light-emitting ability green fluorescent proteins, and by strategically inserting a single oxygen atom they were able to keep the lights turned off for up to 65 hours.


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All News summaries for April 10, 2007

Long-Lasting Quantum Memory Leads to Long-Distance Quantum Communication

41 minutes ago | User rating: not rated yet
(PhysOrg.com) -- Physicists have taken a step closer to realizing long-distance quantum communication, in which a quantum state is transferred from one location to another by becoming entangled with a traveling ...

Broken symmetry: Answering the solace of quantum

2 hours ago | User rating: not rated yet
Humans like the comfort of symmetry -- the identical image in the mirror, the matching wings of the baroque mansion, the equal numbers in opposing football teams.

Japanese duo, US scientist win Nobel for particle physics

5 hours ago | User rating: not rated yet
Makoto Kobayashi and Toshihide Maskawa of Japan and Yoichiro Nambu of the United States won the 2008 Nobel Physics Prize Tuesday for groundbreaking theoretical work in fundamental particles.

Dark matter, new planets could bring physics Nobel

12 hours ago | User rating: not rated yet
(AP) -- Scientists who have pursued dark matter, hunted for undiscovered planets and advanced nanotechnology were being touted Monday as candidates for the 2008 Nobel Prize in physics.

Bad connection caused atom smasher shutdown

12 hours ago | User rating: not rated yet
(AP) -- A bad electrical connection likely caused the malfunction that sidelined the world's largest atom smasher days after it was launched with great fanfare, a senior scientist said Monday.
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