Tags: #np69 com #np69 Carboxyl #np69 terminal #np69 activating #np69 region #np69 3 #np69 of #np69 latent #np69 membrane #np69 protein #np69 1 #np69 encoded #np69 #np69 by #np69 the #np69 EpsteinâBarr #np69 virus #np69 regulates