Femtosecond structural dynamics drives the trans/cis isomerization in photoactive yellow protein.

K, Pande; CD, Hutchison; G, Groenhof; A, Aquila; JS, Robinson; J, Tenboer; S, Basu; S, Boutet; DP, DePonte; M, Liang; TA, White; NA, Zatsepin; O, Yefanov; D, Morozov; D, Oberthuer; C, Gati; G, Subramanian; D, James; Y, Zhao; J, Koralek; J, Brayshaw; C, Kupitz; C, Conrad; S, Roy-Chowdhury; JD, Coe; M, Metz; PL, Xavier; TD, Grant; JE, Koglin; G, Ketawala; R, Fromme; V, Šrajer; R, Henning; JC, Spence; A, Ourmazd; P, Schwander; U, Weierstall; M, Frank; P, Fromme; A, Barty; HN, Chapman; K, Moffat; Thor JJ, van; M, Schmidt

doi:10.1126/science.aad5081

Public

Femtosecond structural dynamics drives the trans/cis isomerization in photoactive yellow protein.

Shared by NobleBlocks on May 5, 2016 • 12:00 AM UTC

Authors:

Pande K

Hutchison CD

Groenhof G

Abstract

A variety of organisms have evolved mechanisms to detect and respond to light, in which the response is mediated by protein structural changes after photon absorption. The initial step is often the photoisomerization of a conjugated chromophore. Isomerization occurs on ultrafast time scales and is s...

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