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| Content Provider | PubMed Central |
|---|---|
| Author | Schubert, Axel Anna, Stenstam Beenken, Wichard J. D. Herek, Jennifer L. Cogdell, Richard Pullerits, Tõnu Sundström, Villy |
| Copyright Year | 2004 |
| Abstract | Controlled ensemble formation of protein-surfactant systems provides a fundamental concept for the realization of nanoscale devices with self-organizing capability. In this context, spectroscopic monitoring of pigment-containing proteins yields detailed structural information. Here we have studied the association behavior of the bacterial light-harvesting protein LH2 from Rhodobacter spheroides in an n,n-dimethyldodecylamine-n-oxide/water environment. Time-resolved studies of the excitation annihilation yielded information about aggregate sizes and packing of the protein complexes therein. The results are compared to transmission electron microscopy images of instantaneously frozen samples. Our data indicate the manifestation of different phases, which are discussed with respect to the thermodynamic equilibrium in ternary protein-surfactant-water systems. Accordingly, by varying the concentration the formation of different types of aggregates can be controlled. Conditions for the appearance of isolated LH2 complexes are defined. |
| Starting Page | 2363 |
| File Format | |
| ISSN | 15420086 |
| e-ISSN | 15420086 |
| Journal | Biophysical Journal |
| Issue Number | 4 |
| Volume Number | 86 |
| Language | English |
| Publisher | Biophysical Society |
| Publisher Date | 2004-04-01 |
| Access Restriction | Open |
| Rights Holder | Biophysical Society |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biophysics |
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