Unbiased Simulations Reveal the Inward-Facing Conformation of the Human Serotonin Transporter and Na+ Ion Release. - Heidi Koldsø; Pernille Noer; Julie Grouleff; Henriette Elisabeth Autzen; Steffen Sinning; Birgit Schiøtt (PLoS Comput. Biol., 2011)