This definition appears very rarely
See other definitions of E2
Samples in periodicals archive:
CiteSeerX - Scientific documents that cite the following paper: Antibody to GBV-C second envelope glycoprotein (anti-GBV-C E2): is it a marker for immunity
Publication » A second envelope glycoprotein mediates neutralization of a pestivirus, hog cholera virus.
Conservation of the conformation and positive charges of hepatitis C virus E2 envelope glycoprotein; located at the N terminus of the second envelope glycoprotein...