Table 1.

Combined HR1-HR2 mutations in the Env protein

Inhibitor	gp41 mutations		Report
T20	HR1	HR2
T20	V38A (GIA)	N126K (SKY)	Baldwin et al, 2004 Ray et al, 2007
M87 (membrane anchored T20)	I48V	N126K	Hildinger et al, 2001
C34	I37K	N126K	Nameki et al, 2005
Retrocyclin RC-101	Q66R	N126K	Cole et al, 2006
T20	N43D	S138A	Xu et al, 2005 Perez-Alvarez et al, 2006 Ray et al, 2007
T20	N43D	E137K	Tolstrup et al, 2007