VIRAL PROTEIN, FUSION PROTEIN, PEPTIDE/SMALL-MOLECULE COMPLEX, ALPHA HELIX, COILED-COIL, ENVELOPE PROTEIN, GLYCOPROTEIN, HOST CELL MEMBRANE, HOST MEMBRANE, LIPOPROTEIN, MEMBRANE, PALMITATE, TRANSMEMBRANE, VIRION SOLUTION STRUCTURE OF THE RESPIRATORY SYNCYTIAL VIRUS (RSV) SIX-HELIX BUNDLE COMPLEXED WITH TMC353121, A SMALL- MOLEUCULE INHIBITOR OF RSV 3KPE