The way bacteriorhodopsin generates a proton gradient in Archaea is through a proton pump. The proton pump relies on proton ... In bacteriorhodopsin, the proton pump is activated by absorption of photons of 568 nm wavelength which leads to isomerization ... Finally, bacteriorhodopsin returns to its resting state when Asp85 releases its proton to Glu204.[16][17] ... Diagram of the conformational shift in retinal that initiates proton pumping in bacteriorhodopsin. ...
Lanyi JK (2004). "Bacteriorhodopsin". Annual Review of Physiology. 66: 665-88. doi:10.1146/annurev.physiol.66.032102.150049. ... In the Halobacteria, light-activated ion pumps like bacteriorhodopsin and halorhodopsin generate ion gradients by pumping ions ... "Molecular mechanism of vectorial proton translocation by bacteriorhodopsin". Nature. 406 (6796): 653-57. Bibcode:2000Natur.406 ...
Bacteriorhodopsin is a light-driven proton pump and is used by Archaea, most notably in Halobacteria. Light is absorbed by a ... The energy required for the proton pumping reaction may come from light (light energy; bacteriorhodopsins), electron transfer ( ...
"Unfolding pathways of individual bacteriorhodopsins". Science. 288 (5463): 143-6. Bibcode:2000Sci...288..143O. doi:10.1126/ ...
Alignment of bacteriorhodopsins with the yeast sequence YRO2". Pharm. Res. 14 (11): 1533-41. doi:10.1023/a:1012166015402. PMID ...
After the middle of the 1970s, his lab studied the biochemistry of bacteriorhodopsin, a membrane protein that converts light ... Wildenauer, D.; Khorana, H. G. (1977). "The preparation of lipid-depleted bacteriorhodopsin". Biochimica et Biophysica Acta ( ...
Prokhorenko, V. I. (2006-09-01). "Coherent Control of Retinal Isomerization in Bacteriorhodopsin". Science. 313 (5791): 1257- ...
... known today as bacteriorhodopsin. The first bacteriorhodopsin turned out to be of archaeal origin, from Halobacterium salinarum ... Bacteriorhodopsin also lacks the omega loop structure that has been observed at the N-terminus of the structures of several ... Bacteriorhodopsin pumps one Cl− ion, from the extracellular medium into the cytosol, per photon absorbed. Although the ions ... They differ from bacteriorhodopsin in that the claret membrane, in which they are expressed, includes bacterioruberin, a second ...
... by a mechanism similar to that of bacteriorhodopsin. As in bacteriorhodopsin, the retinal chromophore of proteorhodopsin is ... Bacteriorhodopsin was discovered in 1971 and named in 1973 and is currently only known to exist in the archea domain, not ... Bacteriorhodopsin and Halorhodopsin both only exist in the Archea domain whereas proteorhodopsin spans bacteria, archea, and ... In comparison with its better-known archaeal homolog bacteriorhodopsin, most of the active site residues of known importance to ...
"Coherent Control of Retinal Isomerization in Bacteriorhodopsin". Science. 313 (5791): 1257-1261. Bibcode:2006Sci...313.1257P. ...
Pyroglutamate is found in many proteins including bacteriorhodopsin. N-terminal glutamic acid and glutamine residues can ...
2. Spin labeling of bacteriorhodopsin mutants at unique cysteines". Biochemistry. 28 (19): 7806-7812. doi:10.1021/bi00445a042. ... Spin Labeling of Bacteriorhodopsin Mutants". Science. 248 (4959): 1088-192. Bibcode:1990Sci...248.1088A. doi:10.1126/science. ...
They are also infused with bacteriorhodopsin, allowing photosynthesis. It is now possible for a human being to lie on the ...
Large blooms appear reddish, from the pigment bacteriorhodopsin. This pigment is used to absorb light, which provides energy to ...
Lanyi JK (2004). "Bacteriorhodopsin". Annu. Rev. Physiol. 66: 665-88. PMID 14977418. doi:10.1146/annurev.physiol.66.032102. ... "Molecular mechanism of vectorial proton translocation by bacteriorhodopsin". Nature 406 (6796): 653-7. PMID 10949309. doi: ...
All-trans-retinal is also an essential component of microbial, opsins such as bacteriorhodopsin, channelrhodopsin, and ... Waschuk, Stephen A.; Bezerra, Arandi G.; Shi, Lichi; Brown, Leonid S. (2005). "Leptosphaeria rhodopsin: Bacteriorhodopsin-like ... "All-trans to 13-cis retinal isomerization in light-adapted bacteriorhodopsin at acidic pH". Journal of Photochemistry and ...
Another case for this mechanism is Bacteriorhodopsin proton pump. Here the light induced change in the molecular volume is ... "Photoinduced volume changes associated with the early transformations of bacteriorhodopsin: A laser-induced optoacoustic ...
Váró, G.; Eisenstein, L. (1987). "Infrared studies of water induced conformational changes in bacteriorhodopsin". European ... bacteriorhodopsin and rhodopsin. This effort would engage and foster collaborations with scientists including Tom Ebrey, Koiji ...
Among the many kinds of microbial opsins are the proton pumps bacteriorhodopsin (BR) and xanthorhodopsin (xR), the chloride ... Waschuk SA, Bezerra AG, Shi L, Brown LS (May 2005). "Leptosphaeria rhodopsin: bacteriorhodopsin-like proton pump from a ... and bacteriorhodopsin, are used by various bacterial groups to harvest energy from light to carry out metabolic processes using ...
See also bacteriorhodopsin, used in some halobacteria as a light-driven proton pump. Humphries P, Kenna P, Farrar GJ (May 1992 ... Some prokaryotes express proton pumps called bacteriorhodopsins, archaerhodopsins, proteorhodopsins, heliorhodopsins and ... "Characterization of the primary photochemical events in bacteriorhodopsin and rhodopsin". In Lee AG (ed.). Rhodopsin and G- ...
Bacteriorhodopsin functions as a proton pump, whereas halorhodopsin act as a chloride pump. Their functions range from ... Examples are bacterial sensory rhodopsins, channelrhodopsin, bacteriorhodopsin, halorhodopsin, and proteorhodopsin. They act as ... bacterial photosynthesis (bacteriorhodopsin) to driving phototaxis (channelrhodopsins in flagellates). Signal transduction in ...
Stuart JA, Brige RR (1996). "Characterization of the primary photochemical events in bacteriorhodopsin and rhodopsin". In Lee ...
Field of study - photoelectric, electroacoustic and spectroscopic studies of bacteriorhodopsin. From 1999 to 2000, he was a ...
Lanyi JK (2004). "Bacteriorhodopsin". Annu. Rev. Physiol. 66: 665-88. doi:10.1146/annurev.physiol.66.032102.150049. PMID ... Bacteriorhodopsin from Halobacterium salinarum. The retinol cofactor and residues involved in proton transfer are shown as ball ... In the Halobacteria, light-activated ion pumps like bacteriorhodopsin and halorhodopsin generate ion gradients by pumping ions ... Subramaniam S; Henderson R (August 2000). "Molecular mechanism of vectorial proton translocation by bacteriorhodopsin". Nature ...
Lanyi JK (2004). "Bacteriorhodopsin". Annu. Rev. Physiol. 66: 665-88. PMID 14977418. doi:10.1146/annurev.physiol.66.032102. ... Subramaniam S, Henderson R (2000). "Molecular mechanism of vectorial proton translocation by bacteriorhodopsin". Nature 406 ( ...
Their photosynthetic pigment, bacteriorhodopsin, is actually opaque to the longer-wavelength ultraviolet (its red color). In ... Bacteriorhodopsins isolated from Halobacterium salinarum have been especially studied for their applications in electronics and ... Particularly, bacteriorhodopsins have been used in holographic storage, optical switching, motion detection, and nanotechnology ... Halobacterium can be identified in bodies of water by the light-detecting pigment bacteriorhodopsin, which not only provides ...
"A transposable element from Halobacterium halobium which inactivates the bacteriorhodopsin gene". Proceedings of the National ...
Bacteriorhodopsin - A proton pump used by Haloarchaea to harvest light energy. Microbial rhodopsin Red edge DasSarma, ... Many Haloarchaea contain the retinal protein, bacteriorhodopsin, in their purple membrane which carries out light-driven proton ...
After bacteriorhodopsin, halorhodopsin may be the best type I (microbial) opsin studied. Peak absorbance of the halorhodopsin ... Its properties are similar to those of bacteriorhodopsin, and these two light-driven ion pumps transport cations and anions in ...