Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Human papillomavirus (HPV) genome organization. The HPV contains a circular double-stranded DNA genome with approximately 8000 base pairs (bp), organized into three regions. The E or early region (purple) contains the E1, E2, E4, E5, E6, and E7 open reading frames (ORFs). The L or late region (blue) contains the L1 and L2 ORFs. Finally, the Long Control Region (LCR) (red) contains regulatory elements.
