1xio: Difference between revisions

Revision as of 13:41, 29 July 2008

This article has been automatically seeded. Changes to this page should pertain to the PDB entry only and not to the protein or biomolecule in general.

File:1xio.png

Template:STRUCTURE 1xio

Anabaena sensory rhodopsinAnabaena sensory rhodopsin

Template:ABSTRACT PUBMED 15459346

About this StructureAbout this Structure

1XIO is a Single protein structure of sequence from Anabaena sp.. Full crystallographic information is available from OCA.

ReferenceReference

Anabaena sensory rhodopsin: a photochromic color sensor at 2.0 A., Vogeley L, Sineshchekov OA, Trivedi VD, Sasaki J, Spudich JL, Luecke H, Science. 2004 Nov 19;306(5700):1390-3. Epub 2004 Sep 30. PMID:15459346

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OCA

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-'''Anabaena sensory rhodopsin'''
+===Anabaena sensory rhodopsin===
-==Overview==
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-Microbial sensory rhodopsins are a family of membrane-embedded photoreceptors in prokaryotic and eukaryotic organisms. Structures of archaeal rhodopsins, which function as light-driven ion pumps or photosensors, have been reported. We present the structure of a eubacterial rhodopsin, which differs from those of previously characterized archaeal rhodopsins in its chromophore and cytoplasmic-side portions. Anabaena sensory rhodopsin exhibits light-induced interconversion between stable 13-cis and all-trans states of the retinylidene protein. The ratio of its cis and trans chromophore forms depends on the wavelength of illumination, thus providing a mechanism for a single protein to signal the color of light, for example, to regulate color-sensitive processes such as chromatic adaptation in photosynthesis. Its cytoplasmic half channel, highly hydrophobic in the archaeal rhodopsins, contains numerous hydrophilic residues networked by water molecules, providing a connection from the photoactive site to the cytoplasmic surface believed to interact with the receptor's soluble 14-kilodalton transducer.
+The line below this paragraph, {{ABSTRACT_PUBMED_15459346}}, adds the Publication Abstract to the page
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 [[Category: Photoreceptor]]
 [[Category: Signaling protein]]
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