isorhodopsin
National Institutes of Health
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The photoinduced cis-trans isomerization dynamics of rhodopsin and isorhodopsin are studied using a newly developed hybrid QM/MM…
The chromophore of visual pigments is 11-cis-retinal and, thus, in its absence, opsin is not photosensitive and no visual…
13C- and 2H-labeled retinal derivatives have been used to assign normal modes in the 1100-1300-cm-1 fingerprint region of the…
Fourier-transform infrared difference spectroscopy has been used to detect the vibrational modes in the chromophore and protein…
Kinetic and spectral measurements have been carried out on the primary intermediate in the photolysis of rhodopsin and…
We have devised a method for obtaining the resonance Raman spectrum of a photolabile molecule before it is modified by light. The…
The preparation and properties of three geometric isomers of 13-desmethyl retinal (13-dmr) are described. They are analogous to…
A COMPARISON between the optical rotatory dispersion curves of rhodopsin before and after irradiation has been previously…
Vitamin A and retinene, the carotenoid precursors of rhodopsin, occur in a variety of molecular shapes, cis-trans isomers of one…