From: Avian papillomaviruses: the parrot Psittacus erithacus papillomavirus (PePV) genome has a unique organization of the early protein region and is phylogenetically related to the chaffinch papillomavirus
PePV ORF
BPV-1
HPV-1
HPV-5
HPV-16
E1
38 (32)
39 (31)
41 (33)
E2
28 (26)
39 (34)
31 (25)
34 (27)
E4
NA1
L2
28 (27)
30 (30)
29 (28)
30 (27)
L1
44 (39)
46 (42)
44 (45)
47 (41)