Biology Reference
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Figure 3.6 Melting curve for a protein generated from molecular dynamics
simulations.
affect the structure, thermodynamic stability, and folding kinetics of
proteins.
How do lipid membranes reorganize in the presence of a protein? Lipids are
molecules with a water-soluble acidic (charged) head group connected
to a long hydrophobic chain. In the presence of water, lipid molecules
form into stable structures called bilayers (figure 3.7). In a bilayer, two
Figure 3.7 Image of the light-sensitive protein rhodopsin embedded in a
model lipid bilayer representing a cell membrane. The protein is shown as a
secondary structure cartoon, with the lipids drawn as lines (fatty acid tails) and
spheres (head groups). This image was created with the program VMD [84].
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