What is NOT a mechanism of viral interaction between a receptor and the capsid? grooves/canyons on the capsid surface Vesicular transport through the capsid Plateaus on the capsid surface Knobs that protrude from the virus Which Dengue virus proteins, located on the lumen side of the ER, are activated by host peptidase? Membrane and capsid proteins Membrane and envelope proteins Only capsid protein Envelope and capsid proteins .