001     5165
005     20200402205627.0
024 7 _ |2 pmid
|a pmid:19551796
024 7 _ |2 DOI
|a 10.1002/cbic.200900251
024 7 _ |2 WOS
|a WOS:000268504500015
037 _ _ |a PreJuSER-5165
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Biochemistry & Molecular Biology
084 _ _ |2 WoS
|a Chemistry, Medicinal
100 1 _ |0 P:(DE-Juel1)VDB60877
|a Kriegsmann, J.
|b 0
|u FZJ
245 _ _ |a Translational Diffusion and Interaction of a Photoreceptor and Its Cognate Transducer Observed in Giant Unilamellar Vesicles by Using Dual-Focus FCS
260 _ _ |a Weinheim
|b Wiley-VCH
|c 2009
300 _ _ |a 1823 - 1829
336 7 _ |a Journal Article
|0 PUB:(DE-HGF)16
|2 PUB:(DE-HGF)
336 7 _ |a Output Types/Journal article
|2 DataCite
336 7 _ |a Journal Article
|0 0
|2 EndNote
336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a JOURNAL_ARTICLE
|2 ORCID
336 7 _ |a article
|2 DRIVER
440 _ 0 |0 8962
|a ChemBioChem
|v 10
|x 1439-4227
|y 11
500 _ _ |a The priority program SPP 7128 of Deutsche Forschungsgemeinschaft (F1 84113-1,2 to J.F and to J.E) and the DFG graduate school 1035 "Biointerface" are acknowledged for funding. We thank B. Kaupp and G. Baldt for continuous support in their institutes.
520 _ _ |a In order to monitor membrane-protein binding in lipid bilayers at physiological protein concentrations, we employed the recently developed dual-focus fluorescence correlation spectroscopy (2fFCS) technique. In a case study on a photoreceptor consisting of seven transmembrane helices and its cognate transducer (two transmembrane helices), the lateral diffusion for these integral membrane proteins was analyzed in giant unilamellar vesicles (GUVs). The two-dimensional diffusion coefficients of both separately diffusing proteins differ significantly, with D = 2.2 x 10(-8) cm2 s(-1) for the photoreceptor and with D = 4.1 x 10(-8) cm2 s(-1) for the transducer. In GUVs with both membrane proteins present together, we observed significantly smaller diffusion coefficients for labelled transducer molecules; this indicates the presence of larger diffusing units and therefore intermolecular protein binding. Based on the phenomenological dependence of diffusion coefficients on the molecule's cylindrical radius, we are able to estimate the degree of membrane protein binding on a quantitative level.
536 _ _ |0 G:(DE-Juel1)FUEK443
|2 G:(DE-HGF)
|a Programm Biosoft
|c N03
|x 0
588 _ _ |a Dataset connected to Web of Science, Pubmed
650 _ 2 |2 MeSH
|a Archaeal Proteins: chemistry
650 _ 2 |2 MeSH
|a Archaeal Proteins: metabolism
650 _ 2 |2 MeSH
|a Carotenoids: chemistry
650 _ 2 |2 MeSH
|a Carotenoids: metabolism
650 _ 2 |2 MeSH
|a Diffusion
650 _ 2 |2 MeSH
|a Lipid Bilayers: chemistry
650 _ 2 |2 MeSH
|a Membrane Proteins: chemistry
650 _ 2 |2 MeSH
|a Photoreceptors, Microbial: chemistry
650 _ 2 |2 MeSH
|a Photoreceptors, Microbial: metabolism
650 _ 2 |2 MeSH
|a Protein Binding
650 _ 2 |2 MeSH
|a Spectrometry, Fluorescence
650 _ 2 |2 MeSH
|a Unilamellar Liposomes: chemistry
650 _ 7 |0 0
|2 NLM Chemicals
|a Archaeal Proteins
650 _ 7 |0 0
|2 NLM Chemicals
|a HtrII protein, Natronobacterium pharaonis
650 _ 7 |0 0
|2 NLM Chemicals
|a Lipid Bilayers
650 _ 7 |0 0
|2 NLM Chemicals
|a Membrane Proteins
650 _ 7 |0 0
|2 NLM Chemicals
|a Photoreceptors, Microbial
650 _ 7 |0 0
|2 NLM Chemicals
|a Unilamellar Liposomes
650 _ 7 |0 0
|2 NLM Chemicals
|a phototaxis receptor sensory rhodopsin II, Natronobacterium pharaonis
650 _ 7 |0 36-88-4
|2 NLM Chemicals
|a Carotenoids
650 _ 7 |2 WoSType
|a J
653 2 0 |2 Author
|a fluorescence spectroscopy
653 2 0 |2 Author
|a giant unilamellar vesicles
653 2 0 |2 Author
|a membrane proteins
653 2 0 |2 Author
|a photo-signaling complexes
653 2 0 |2 Author
|a protein diffusion
700 1 _ |0 P:(DE-HGF)0
|a Gregor, I.
|b 1
700 1 _ |0 P:(DE-HGF)0
|a von der Hocht, I.
|b 2
700 1 _ |0 P:(DE-HGF)0
|a Klare, J.
|b 3
700 1 _ |0 P:(DE-HGF)0
|a Engelhard, M.
|b 4
700 1 _ |0 P:(DE-HGF)0
|a Enderlein, J.
|b 5
700 1 _ |0 P:(DE-Juel1)131961
|a Fitter, J.
|b 6
|u FZJ
773 _ _ |0 PERI:(DE-600)2020469-3
|a 10.1002/cbic.200900251
|g Vol. 10, p. 1823 - 1829
|p 1823 - 1829
|q 10<1823 - 1829
|t ChemBioChem
|v 10
|x 1439-4227
|y 2009
856 7 _ |u http://dx.doi.org/10.1002/cbic.200900251
909 C O |o oai:juser.fz-juelich.de:5165
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913 1 _ |0 G:(DE-Juel1)FUEK443
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914 1 _ |y 2009
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
920 1 _ |0 I:(DE-Juel1)ISB-2-20090406
|d 31.12.2010
|g ISB
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|l Molekulare Biophysik
|x 0
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980 _ _ |a UNRESTRICTED
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981 _ _ |a I:(DE-Juel1)ICS-6-20110106
981 _ _ |a I:(DE-Juel1)ISB-2-20090406


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