Published in Science on April 25, 1969
Physiological Studies on Pea Tendrils: VI. The Characteristics of Sensory Perception and Transduction. Plant Physiol (1970) 1.11
Effects of cold periods on the stimulus-response system of Phycomyces. J Gen Physiol (1970) 1.03
Resonance Raman studies of the purple membrane. Biochemistry (1977) 3.00
Visual-pigment spectra: implications of the protonation of the retinal Schiff base. Biochemistry (1976) 2.89
Temperature and wavelength effects on the photochemistry of rhodopsin, isorhodopsin, bacteriorhodopsin and their photoproducts. Nature (1977) 2.73
The quantum efficiency for the photochemical conversion of the purple membrane protein. Biophys J (1977) 2.50
Pigment content and molar extinction coefficients of photochemical reaction centers from Rhodopseudomonas spheroides. Biochim Biophys Acta (1973) 2.43
The quantum efficiency of proton pumping by the purple membrane of Halobacterium halobium. Biophys J (1980) 2.23
Excited states of photosynthetic reaction centers at low recox potentials. Biochim Biophys Acta (1975) 2.10
Isolation and characterization of the pigment-protein complexes of Rhodopseudomonas sphaeroides by lithium dodecyl sulfate/polyacrylamide gel electrophoresis. Proc Natl Acad Sci U S A (1980) 2.02
Isolation of a reaction center fraction from Rhodopseudomonas spheroides. Biochem Biophys Res Commun (1968) 2.00
Protein components of bacterial photosynthetic membranes. J Mol Biol (1972) 1.96
Exciton interactions and chromophore orientation in the purple membrane. J Mol Biol (1977) 1.83
Ultraviolet and visible absorption spectra of the purple membrane protein and the photocycle intermediates. Biochemistry (1978) 1.82
Fluorescence and photochemical quenching in photosynthetic reaction centers. Proc Natl Acad Sci U S A (1968) 1.78
Effect of the arginine-82 to alanine mutation in bacteriorhodopsin on dark adaptation, proton release, and the photochemical cycle. Biochemistry (1993) 1.77
Quantum efficiency of the photochemical cycle of bacteriorhodopsin. Biophys J (1990) 1.75
Titration of aspartate-85 in bacteriorhodopsin: what it says about chromophore isomerization and proton release. Biophys J (1996) 1.74
Light isomerizes the chromophore of bacteriorhodopsin. Nature (1980) 1.68
Energy transfer in the purple membrane of Halobacterium halobium. Biophys J (1978) 1.66
Evidence for chromophore-chromophore (exciton) interaction in the purple membrane of Halobacterium halobium. Biochem Biophys Res Commun (1976) 1.65
Glutamate-194 to cysteine mutation inhibits fast light-induced proton release in bacteriorhodopsin. Biochemistry (1997) 1.62
Relations between pigments and proteins in the photosynthetic membranes of Rhodopseudomonas spheroides. Biochim Biophys Acta (1972) 1.58
Molecular aspects of photoreceptor function. Q Rev Biophys (1975) 1.58
Picosecond kinetics of the fluorescence from the chromophore of the purple membrane protein of Halobacterium halobium. Biophys J (1976) 1.56
Properties of photochemical reaction centers purified from Rhodopseudomonas gelatinosa. Biochim Biophys Acta (1978) 1.55
Primary processes in bacterial photosynthesis. Annu Rev Biophys Bioeng (1973) 1.54
Independent photocycles of the spectrally distinct forms of bacteriorhodopsin. Proc Natl Acad Sci U S A (1988) 1.53
The two pKa's of aspartate-85 and control of thermal isomerization and proton release in the arginine-82 to lysine mutant of bacteriorhodopsin. Biochemistry (1995) 1.52
An identification of the radical giving rise to the light-induced electron spin resonance signal in photosynthetic bacteria. Photochem Photobiol (1969) 1.52
Kinetics of electron transfer between the primary and the secondary electron acceptor in reaction centers from Rhodopseudomonas sphaeroides. Biochim Biophys Acta (1977) 1.49
Mechanism and role of divalent cation binding of bacteriorhodopsin. Biophys J (1986) 1.48
The structure and spectra of the chromophore of the visual pigments. Annu Rev Biophys Bioeng (1974) 1.46
An analysis of the relations between fluorescence and photochemistry during photosynthesis. J Theor Biol (1967) 1.46
THE FIRST STEP IN PHOTOSYNTHESIS: EVIDENCE FOR ITS ELECTRONIC NATURE. Proc Natl Acad Sci U S A (1960) 1.44
Resonance Raman studies of bovine metarhodopsin I and metarhodopsin II. Biochemistry (1978) 1.44
Fourier-transform infrared difference spectroscopy of rhodopsin and its photoproducts at low temperature. Biochemistry (1985) 1.42
Redshift of the purple membrane absorption band and the deprotonation of tyrosine residues at high pH: Origin of the parallel photocycles of trans-bacteriorhodopsin. Biophys J (1991) 1.40
Light-initiated changes of cyclic guanosine monophosphate levels in the frog retina measured with quick-freezing techniques. J Gen Physiol (1979) 1.35
New wavelength dependent visual pigment nomograms. Vision Res (1977) 1.35
A correlation between proton pumping and the bacteriorhodopsin photocycle. Proc Natl Acad Sci U S A (1984) 1.34
The thermal decay of the intermediates of rhodopsin in situ. Vision Res (1968) 1.31
Purple membrane: surface charge density and the multiple effect of pH and cations. Photochem Photobiol (1990) 1.30
Arginine-82 regulates the pKa of the group responsible for the light-driven proton release in bacteriorhodopsin. Biophys J (1996) 1.30
The use of Ammonyx LO in the purification of rhodopsin and rod outer segments. Vision Res (1971) 1.24
Binding of a single divalent cation directly correlates with the blue-to-purple transition in bacteriorhodopsin. Proc Natl Acad Sci U S A (1991) 1.22
Orientation of chromophores in reaction centers of Rhodopseudomonas sphaeroides. Evidence for two absorption bands of the dimeric primary electron donor. Biochim Biophys Acta (1976) 1.21
The fluorescence from the chromophore of the purple membrane protein. Biophys J (1978) 1.18
Resonance Raman study of the primary photochemistry of bacteriorhodopsin. Proc Natl Acad Sci U S A (1981) 1.17
Picosecond and steady state, variable intensity and variable temperature emission spectroscopy of bacteriorhodopsin. Biophys J (1978) 1.16
The triplet state of reaction center bacteriochlorophyll: determination of a relative quantum yeild. Biochim Biophys Acta (1974) 1.15
The biophysical problems of photosynthesis. Science (1965) 1.15
Photocurrent measurements of the purple membrane oriented in a polyacrylamide gel. Biophys J (1988) 1.15
The reducing potential of the bacterial photosynthetic reaction center. Photochem Photobiol (1969) 1.14
Effect of high pressure on the absorption spectrum and isomeric composition of bacteriorhodopsin. Biophys J (1980) 1.13
Regeneration of bovine and octopus opsins in situ with natural and artificial retinals. Biochemistry (1989) 1.10
Effects of extraction and replacement of ubiquinone upon the photochemical activity of reaction centers and chromatophores from Rhodopseudomonas spheriodes. FEBS Lett (1974) 1.10
Blue light effect on proton pumping by bacteriorhodopsin. Biophys J (1983) 1.10
Flash photolysis and low temperature photochemistry of bovine rhodopsin with a fixed 11-ene. Biophys J (1981) 1.10
pH dependence of light-induced proton release by bacteriorhodopsin. FEBS Lett (1993) 1.09
The absolute quantum efficiency of bacteriochlorophyll photooxidation in reaction centres of Rhodopseudomonas spheroides. Biochim Biophys Acta (1974) 1.08
Photochemical electron transport in photosynthetic reaction centers. IV. Observations related to the reduced photoproducts. Biophys J (1972) 1.07
The proton release group of bacteriorhodopsin controls the rate of the final step of its photocycle at low pH. Biochemistry (1999) 1.06
Trapping and spectroscopic identification of the photointermediates of bacteriorhodopsin at low temperatures. Photochem Photobiol (2001) 1.06
Molar extinction coefficients and other properties of an improved reaction center preparation from Rhodopseudomonas viridis. Biochim Biophys Acta (1978) 1.06
Cone visual pigments are present in gecko rod cells. Proc Natl Acad Sci U S A (1992) 1.05
A light-activated GTPase from octopus photoreceptors. Biochem Biophys Res Commun (1980) 1.04
Effects of dehydration on reaction centers from Rhodopseudomonas sphaeroides. Biochim Biophys Acta (1978) 1.04
pH dependence of the absorption spectra and photochemical transformations of the archaerhodopsins. Photochem Photobiol (1994) 1.04
Photochemical electron transport in photosynthetic reaction centers from Rhodopseudomonas spheroides. I. Kinetics of the oxidation and reduction of P-870 as affected by external factors. Biophys J (1972) 1.04
Photochemical electron transport oin photosynthetic reaction centers from Rhodopseudomonas spheroides. 3. Effects of orthophenanthroline and other chemicals. Biophys J (1972) 1.02
Wavelength regulation in iodopsin, a cone pigment. Biophys J (1989) 1.02
Letter: Properties of 14-methylretinal, 13-desmethyl-14-methylretinal, and visual pigments formed therefrom. J Am Chem Soc (1974) 1.01
An optical absorption change that could be due to reduction of the primary photochemical electron acceptor in photosynthetic reaction centers. Biochem Biophys Res Commun (1970) 1.00
The circular dichroism of rhodopsin and lumirhodopsin. Exp Eye Res (1973) 0.99
Effect of pH buffer molecules on the light-induced currents from oriented purple membrane. Biophys J (1991) 0.99
Effect of the removal of the COOH-terminal region of bacteriorhodopsin on its light-induced H+ changes. Biophys J (1982) 0.98
Light-induced currents from oriented purple membrane: II. Proton and cation contributions to the photocurrent. Biophys J (1990) 0.98
Characterization of the chromophore of the third rhodopsin-like pigment of Halobacterium halobium and its photoproduct. Biophys J (1985) 0.98
Effects of substitution of tyrosine 57 with asparagine and phenylalanine on the properties of bacteriorhodopsin. Biochemistry (1995) 0.98
Octopus photoreceptor membranes. Surface charge density and pK of the Schiff base of the pigments. Biophys J (1990) 0.97
Effects of pressure and temperature on the M412 intermediate of the bacteriorhodopsin photocycle. Implications for the phase transition of the purple membrane. Biophys J (1983) 0.97
The absolute yield of bacteriochlorophyll fluorescence in vivo. Photochem Photobiol (1971) 0.96
Resonance Raman study of the dark-adapted form of the purple membrane protein. Biochim Biophys Acta (1979) 0.96
Photooxidation of antenna bacteriochlorophyll in chromatophores from carotenoidless mutant Rhodopseudomonas sphaeroides and the attendant loss of dimeric exciton interaction. Proc Natl Acad Sci U S A (1979) 0.95
Recent progress in vertebrate photoreception. Photochem Photobiol (1986) 0.93
The bacterial photosynthetic reaction center. Brookhaven Symp Biol (1966) 0.93
Resonance Raman spectra of the "blue" and the regenerated "purple" membranes of Halobacterium halobium. Photochem Photobiol (1985) 0.92
Charge-transfer complexes of polyenes. J Phys Chem (1967) 0.92
How vertebrate and invertebrate visual pigments differ in their mechanism of photoactivation. Proc Natl Acad Sci U S A (1999) 0.91
A detailed resonance Raman study of the M412 intermediate in the bacteriorhodopsin photocycle. Photochem Photobiol (1985) 0.91
Functional independence of the two major components of the rod electroretinogram. Nature (1965) 0.91
Resonance Raman spectroscopy of octopus rhodopsin and its photoproducts. Biochemistry (1987) 0.90
Resonance Raman study of the pink membrane photochemically prepared from the deionized blue membrane of H. halobium. Biophys J (1986) 0.90
Intrinsic optical activity of retinal isomers. Implications for the circular dichroism spectrum of rhodopsin. Biochemistry (1973) 0.90
Luminescence of chlorophyll in spinach chloroplasts induced by acid-base transition. Proc Natl Acad Sci U S A (1966) 0.90
Wavelength dependence of the bandwidths of visual pigment spectra. Nature (1975) 0.90
More evidence that light isomerises the cheomophore of purple membrane protein. Nature (1978) 0.90
Energy transfer in rhodopsin, N-retinyl-opsin, and rod outer segments. Proc Natl Acad Sci U S A (1971) 0.90
Synthetic pigment analogues of the purple membrane protein. Biophys J (1977) 0.89
Bathoproducts of rhodopsin, isorhodopsin I, and isorhodopsin II. Biophys J (1980) 0.89