Search: WFRF:(Lindholm Lena) > (2015-2019) > Effect of lipid bil...
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000 | 04600naa a2200553 4500 | |
001 | oai:DiVA.org:su-119116 | |
003 | SwePub | |
008 | 150729s2015 | |||||||||||000 ||eng| | |
009 | oai:research.chalmers.se:b6979da3-37bc-429b-a076-b09cf1c7449d | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-1191162 URI |
024 | 7 | a https://doi.org/10.1016/j.bbabio.2015.04.0112 DOI |
024 | 7 | a https://research.chalmers.se/publication/2347832 URI |
040 | a (SwePub)sud (SwePub)cth | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Lindholm, Ljubicau Stockholms universitet,Institutionen för biokemi och biofysik4 aut |
245 | 1 0 | a Effect of lipid bilayer properties on the photocycle of green proteorhodopsin |
264 | 1 | b Elsevier BV,c 2015 |
338 | a print2 rdacarrier | |
520 | a The significance of specific lipids for proton pumping by the bacterial rhodopsin proteorhodopsin (pR) was studied. To this end, it was examined whether pR preferentially binds certain lipids and whether molecular properties of the lipid environment affect the photocycle. pR's photocyde was followed by microsecond flash-photolysis in the visible spectral range. It was fastest in phosphatidylcholine liposomes (soy bean lipid), intermediate in 3-[(3-cholamidopropyl) dimethylammonio] propanesulfonate (CHAPS): 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) bicelles and in Triton X-100, and slowest when pR was solubilized in CHAPS. In bicelles with different lipid compositions, the nature of the head groups, the unsaturation level and the fatty acid chain length had small effects on the photocycle. The specific affinity of pR for lipids of the expression host Eschetichia coil was investigated by an optimized method of lipid isolation from purified membrane protein using two different concentrations of the detergent N-dodecyl-beta-D-maltoside (DDM). We found that 11 lipids were copurified per pR molecule at 0.1% DDM, whereas essentially all lipids were stripped off from pR by 1% DDM. The relative amounts of copurifled phosphatidylethanolamine, phosphatidylglycerol, and cardiolipin did not correlate with the molar percentages normally present in E. coil cells. The results indicate a predominance of phosphatidylethanolamine species in the lipid annulus around recombinant pR that are less polar than the dominant species in the cell membrane of the expression host E. coli. | |
650 | 7 | a NATURVETENSKAPx Biologi0 (SwePub)1062 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Biological Sciences0 (SwePub)1062 hsv//eng |
650 | 7 | a NATURVETENSKAPx Biologix Cellbiologi0 (SwePub)106042 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Cell Biology0 (SwePub)106042 hsv//eng |
650 | 7 | a NATURVETENSKAPx Biologix Biokemi och molekylärbiologi0 (SwePub)106022 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Biochemistry and Molecular Biology0 (SwePub)106022 hsv//eng |
650 | 7 | a NATURVETENSKAPx Biologix Biofysik0 (SwePub)106032 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Biophysics0 (SwePub)106032 hsv//eng |
653 | a Proteorhodopsin | |
653 | a Bicelle | |
653 | a Lipid | |
653 | a Detergent | |
653 | a Membrane protein | |
653 | a Photocycle | |
700 | 1 | a Ariöz, Candanu Stockholms universitet,Institutionen för biokemi och biofysik4 aut0 (Swepub:cth)candan |
700 | 1 | a Jawurek, Michaelu Stockholms universitet,Institutionen för biokemi och biofysik4 aut |
700 | 1 | a Liebau, Jobstu Stockholms universitet,Institutionen för biokemi och biofysik4 aut0 (Swepub:su)joli4219 |
700 | 1 | a Mäler, Lenau Stockholms universitet,Institutionen för biokemi och biofysik4 aut0 (Swepub:su)maler |
700 | 1 | a Wieslander, Åkeu Stockholms universitet,Institutionen för biokemi och biofysik4 aut |
700 | 1 | a von Ballmoos, Christophu Stockholms universitet,Institutionen för biokemi och biofysik4 aut0 (Swepub:su)cvonb |
700 | 1 | a Barth, Andreasu Stockholms universitet,Institutionen för biokemi och biofysik4 aut0 (Swepub:su)abart |
710 | 2 | a Stockholms universitetb Institutionen för biokemi och biofysik4 org |
773 | 0 | t Biochimica et Biophysica Acta - Bioenergeticsd : Elsevier BVg 1847:8, s. 698-708q 1847:8<698-708x 0005-2728x 1879-2650 |
856 | 4 | u https://doi.org/10.1016/j.bbabio.2015.04.011 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-119116 |
856 | 4 8 | u https://doi.org/10.1016/j.bbabio.2015.04.011 |
856 | 4 8 | u https://research.chalmers.se/publication/234783 |
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