Amino acid alterations between the reverse transcriptase
of HXB2 reference sequence and WR27

Residue
HXB2
WR27
35
V
I
122
E
K
123
D
E
135
I
T
177
D
E
214
L
F
272
P
A
277
R
K
293
I
V
326
I
V
329
I
L
357
M
T
376
T
A
400
T
S
460
N
D
468
T
S
483
Y
H
512
Q
R
519
N
S
554
A
S