has role has_role has role gene as virulence factor in pathogen gene mutant attenuated in host has role has_role has role Bovine alphaherpesvirus 1 Bovine herpesvirus 1 Bos taurus protein-coding gene of Bovine herpesvirus 1 US8 10320 1487407 20140215 Bin Zhao, Oliver He BoHV1_gp42 NCBI-supplied Other designations: envelope glycoprotein E PMID: 9010995; 18480434 WEB: http://www.ncbi.nlm.nih.gov/gene protein-coding type 1 membrane protein; contains a signal peptide; complexed with envelope glycoprotein I to form an Fc-receptor 4893 MUTATION: Strain A of the virus has a mutation in the glycoprotein E gene, and is avirulent in calves [PMID:8023552]. MUTATION: the Za strain of BHV1 is attenuated by a deletion of the gE gene and is used as a live attenuated vaccine [PMID:8023552]. virulence factor gene role