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Three-dimensional RDF of the double-bond center of mass around cholesterol C18 (a) and C19 (b) methyl groups in the sn-2 chains. The behavior of sn-1 is equivalent (not shown). 18:1c3PC (dot-dashed), 18:1c5PC (dotted), DOPC (solid), and 18:1c13PC (dashed).
