Spectral Tuning in Retinal Pigments

Interactions Between the Protonated Schiff Base and Its Counterion in the Photointermediates of Bacteriorhodopsin. Hu JG, Griffin RG and Herzfeld J. J Am Chem Soc 119, 9495-9498 (1997).

Synergy in the Spectral Tuning of Retinal Pigments: Complete Accounting of the Opsin Shift in Bacteriorhodopsin. Hu J, Griffin RG and Herzfeld J. Proc Natl Acad Sci USA 91, 8880-8884 (1994).

Determination of Internuclear Distances and the Orientation of Functional Groups by Solid State NMR: Rotational Resonance Study of the Conformation of Retinal in Bacteriorhodopsin. McDermott AE, Creuzet F, Gebhard R, van der Hoef K, Herzfeld J, Lugtenburg J and Griffin RG. Biochemistry 33, 6129-6136 (1994).

Deuterium Solid-State NMR Studies of Methyl Group Dynamics in Bacteriorhodopsin and Retinal Model Compounds: Evidence for a 6-s-trans Chromophore in the Protein. Copie V, McDermott AE, Beshah K, Williams JC, Spijker-Assink M, Gebhard R, Lugtenburg J, Herzfeld J and Griffin RG. Biochemistry 33, 3280-3286 (1994).

NMR Studies of Retinal Proteins. Zheng L and Herzfeld J. J. Bioenergetics and Biomembranes 24, 139-146 (1992).

Solid State ¹³C and ¹⁵N NMR Study of the Low pH Forms of Bacteriorhodopsin. de Groot HJM, Smith SO, Courtin J, van den Berg E, Winkel C, Lugtenburg J, Griffin RG and Herzfeld J. Biochemistry 29, 6873-6883 (1990).

Structure and Protein Environment of the Retinal Chromophore in Light- and Dark-Adapted Bacteriorhodopsin Studied by Solid-State NMR. Smith SO, de Groot HJM, Gebhard R, Courtin JML, Lugtenburg J, Herzfeld J and Griffin RG. Biochemistry 28, 8897-8904 (1989).

Nuclear Magnetic Resonance Study of the Schiff Base in Bacteriorhodopsin: Counterion Effects on the ¹⁵N Shift Anisotropy. de Groot HJM, Harbison GS, Herzfeld J and Griffin RG. Biochemistry 28, 3346-3353 (1989).

Structure and Function of Rhodopsins from Solid State NMR and Resonance Raman Spectroscopy of Isotopic Retinal Derivatives. Lugtenburg J, Mathies RA, Griffin RG and Herzfeld J. Trends Biochem Sci 13, 388-393 (1988).

Mechanism for the Opsin Shift of Retinal's Absorption in Bacteriorhodopsin. Lugtenburg J, Muradin-Szweykowska M, Heeremans C, Pardoen JA, Harbison GS, Herzfeld J, Griffin RG, Smith SO, and Mathies RA. J Am Chem Soc 108, 3104-3105 (1986).

Solid-State ¹³C NMR Detection of a Perturbed 6-s-trans Chromophore in Bacteriorhodopsin. Harbison GS, Smith SO, Courtin JML, Pardoen JA, Lugtenburg J, Herzfeld J, Mathies RA and Griffin RG. Biochemistry 24, 6955-6962 (1985).

Solid-State ¹³C NMR Studies of Retinal in Bacteriorhodopsin. Harbison GS, Smith SO, Pardoen JA, Mulder PPJ, Lugtenburg J, Herzfeld J, Mathies R and Griffin RG. Biochemistry 23, 2662-2667 (1984).

Dark Adapted Bacteriorhodopsin Contains 13-cis,15-syn and all-trans,15-anti Retinal Schiff Bases. Harbison GS, Smith SO, Pardoen JA, Mulder PPJ, Lugtenburg J, Herzfeld J, Mathies R and Griffin RG. Proc Natl Acad Sci USA 81, 1706-1709 (1984).

Solid State ¹⁵N Nuclear Magnetic Resonance Study of the Schiff Base in Bacteriorhodopsin. Harbison GS, Herzfeld J and Griffin RG. Biochemistry 22, 1-5 (1983).