Figure 2From: Analyses of variant human papillomavirus type-16 E5 proteins for their ability to induce mitogenesis of murine fibroblastsPoints at which HPV-16 E5 affects the epidermal growth factor signal transduction pathway. EGF: epidermal growth factor; EGFr: epidermal growth factor receptor; PKC: protein kinase C; AP-1: activator protein 1.Back to article page