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. 2013 Dec 17;105(12):2760–2770. doi: 10.1016/j.bpj.2013.11.003

Figure 7.

Figure 7

Typical simulation snapshot of a DOPC simulation with 50 mol % cholesterol, with a TEA molecule located at a distance of z ≈ 1.5 nm from the membrane center. (Spheres) TEA; (thin sticks) DOPC and water; and (thick sticks) cholesterol. The TEA molecule is tightly packed in the lateral direction (i.e., membrane plane). In the transversal direction, however, it forms contacts with highly mobile groups (the DOPC tail and water), rationalizing the invariance of the transversal diffusion coefficient. To see this figure in color, go online.