– Major attachment protein that mediates binding of the virus to cell surface heparan sulfate or chondroitin sulfate. Plays also a role in host immune evasion by inhibiting the host complement cascade activation. Human herpesvirus 2 (HHV-2) (strain HG52) Envelope glycoprotein C (His) is expressed in E. coli expression system with N-10xHis tag. The predicted molecular weight is 50.5 kDa and the accession number is Q89730.