Viral protein that allows the active transport of viral components along cytoskeletal filaments toward the intracellular replication sites during virus entry. Viruses such as adenoviruses, adeno-associated virus, vaccinia virus, poliovirus, canine parvovirus, African swine fever virus, rabies virus, human herpes virus 1, foamy virus are thought to use active intracellular transport of viral components.

› Biological process

› transport of viral material towards nucleus [ GO:0075606 ]