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The umbrella coverage on cholesterol or DAG by POPC headgroups quantified by radial distribution functions (RDF). (a) and (c): The RDFs between cholesterol oxygen O6 and POPC nitrogen N4 of choline group or phosphate P8. (b) and (d): RDFs between DAG oxygen O2 and POPC nitrogen N4 of choline group or phosphate P8.
