Bosch, B.J.

peptide protein infection dpp 4 hcov-emc sars-cov fusion coronaviru hr 2 peptides virus spike hr 1–hr antibody domain fusion peptide binding coronaviruse region membrane sequence expression receptor analysis residue pnas web site inhibition epithelial class -7 cells ace 2 1 domain culture hr 2 peptide coronavirus spike proteins sars-cov infection hcov-emc infection virol surface plasmid number formation hr 1–hr complexes bat dpp 4 complex sars-cov spike protein 1 binding epithelial cell cultures hr 1 region cos -7 cells ec 50 values epithelial cells fusion proteins vero 118 cells transmembrane temperature presence concentration hr peptides pcdna 1–fc protein vero cells 37° c epithelial cultures membrane fusion dpp 4 expression heptad value pipistrellu dpp 4 levels r &d systems six-helix hr 1 peptides hr 1 peptide stability c-terminal structure bundle serum spectrometry taqman assay