Amino acid alterations between the reverse transcriptase
of HXB2 reference sequence and NDK

Residue
HXB2
NDK
35
V
T
49
K
R
60
V
I
177
D
E
207
Q
E
214
L
F
245
V
N
250
D
E
272
P
A
277
R
K
293
I
V
329
I
L
334
Q
D
357
M
T
376
T
A
403
T
I
435
V
I
460
N
D
468
T
P
469
L
F
483
Y
N
512
Q
K
519
N
S
554
A
Q