Table 2. Mutations in Tat exon-1 variants.

Novel mutation	Functional domain	Allele frequency
K24T	Cysteine rich	1.000
H29Y	Cysteine rich	1.000
L35P	Cysteine rich	0.333
F38L	Core region	0.100
Q39M	Core region	0.083
K41N	Core region	0.066
G42A	Core region	0.066
G44S	Core region	0.300
S46F	Core region	0.200
P60Q	Arginine rich	1.000
P68L	Glutamine rich	1.000