TABLE 2.

Temporal mapping of HHV-6 transcripts

ORF	Function	Transcriptional class in:
		HHV-6A	HHV-6B	Herpesviruses
U39	gB	α	α	γ1
U42	Conserved transactivator	α	α	α/β
U73	Origin binding protein	α	α	β
U89-U90	IE-A (Kpn)	α	α	α
U94	Rep	α	α
U16-U17	IE-B single splice, US22 family	β	α	α
U91	IE-A (antisense) nonspliced	α	β
	IE-A (antisense) single splice	β	α
U18-U20	IE-B	β (526bp)	1.9kb	α
U19	IE-B	β	β	α
U31	Large tegument protein	β	β	γ
U41	Major DNA binding protein	β	β	β
U53	Protease	β	β	γ
U100	gp82/105	γ	NDa

^aND, not determined.