has role has_role has role has role has_role has role virulence factor protein role protective antigen role Measles virus protein P phosphoprotein Lewis rats were immunized with recombinant vaccinia virus (VV) expressing various proteins of measles virus (MV). VVP (Phosphoprotein) -immunized rats were partially protected from MV challenge [PubMed: 1833505]. Lewis rats were immunized with recombinant vaccinia virus (VV) expressing various proteins of measles virus (MV). VVP (Phosphoprotein) -immunized rats were partially protected from MV challenge [PMID:1833505]. 580 Protegen ID: 580; NCBI Gene GI: 1489805; NCBI Protein GI: 9626947; NCBI Protein Accession: NP_056919; NCBITaxon: 11234 YH, ZX