1uwp

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(New page: 200px<br /> <applet load="1uwp" size="450" color="white" frame="true" align="right" spinBox="true" caption="1uwp, resolution 1.20&Aring;" /> '''INITIAL EVENTS IN T...)
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Revision as of 15:04, 29 October 2007

Image:1uwp.gif

1uwp, resolution 1.20Å

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INITIAL EVENTS IN THE PHOTOCYCLE OF PHOTOACTIVE YELLOW PROTEIN

Overview

The light-induced isomerization of a double bond is the key event that, allows the conversion of light energy into a structural change in, photoactive proteins for many light-mediated biological processes, such as, vision, photosynthesis, photomorphogenesis, and photo movement. Cofactors, such as retinals, linear tetrapyrroles, and 4-hydroxy-cinnamic acid have, been selected by nature that provide the essential double bond to, transduce the light signal into a conformational change and eventually, a, physiological response. Here we report the first events after light, excitation of the latter chromophore, containing a single ethylene double, bond, in a low temperature crystallographic study of the photoactive, yellow protein. We measured experimental phases to overcome possible model, ... [(full description)]

About this Structure

1UWP is a [Single protein] structure of sequence from [Ectothiorhodospira halophila] with SO4 and HC4 as [ligands]. Full crystallographic information is available from [OCA].

Reference

Initial events in the photocycle of photoactive yellow protein., Kort R, Hellingwerf KJ, Ravelli RB, J Biol Chem. 2004 Jun 18;279(25):26417-24. Epub 2004 Mar 16. PMID:15026418

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