| Title |
Sitting at the Edge: How Biomolecules use Hydrophobicity to Tune Their Interactions and Function
|
|---|---|
| Published in |
Journal of Physical Chemistry B, February 2012
|
| DOI | 10.1021/jp2107523 |
| Pubmed ID | |
| Authors | |
| Abstract |
Water near extended hydrophobic surfaces is like that at a liquid-vapor interface, where fluctuations in water density are substantially enhanced compared to those in bulk water. Here we use molecular simulations with specialized sampling techniques to show that water density fluctuations are similarly enhanced, even near hydrophobic surfaces of complex biomolecules, situating them at the edge of a dewetting transition. Consequently, water near these surfaces is sensitive to subtle changes in surface conformation, topology, and chemistry, any of which can tip the balance toward or away from the wet state and thus significantly alter biomolecular interactions and function. Our work also resolves the long-standing puzzle of why some biological surfaces dewet and other seemingly similar surfaces do not. |
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X Demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Germany | 1 | 33% |
| Unknown | 2 | 67% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 3 | 100% |
Mendeley demographics
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| United States | 6 | 3% |
| Sweden | 1 | <1% |
| Japan | 1 | <1% |
| Israel | 1 | <1% |
| United Kingdom | 1 | <1% |
| Germany | 1 | <1% |
| China | 1 | <1% |
| Switzerland | 1 | <1% |
| Canada | 1 | <1% |
| Other | 0 | 0% |
| Unknown | 159 | 92% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 51 | 29% |
| Researcher | 37 | 21% |
| Professor > Associate Professor | 11 | 6% |
| Student > Master | 9 | 5% |
| Other | 8 | 5% |
| Other | 29 | 17% |
| Unknown | 28 | 16% |
| Readers by discipline | Count | As % |
|---|---|---|
| Chemistry | 54 | 31% |
| Physics and Astronomy | 23 | 13% |
| Agricultural and Biological Sciences | 12 | 7% |
| Engineering | 12 | 7% |
| Chemical Engineering | 12 | 7% |
| Other | 24 | 14% |
| Unknown | 36 | 21% |