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Table 1 Resistance development in virus isolates exposed to increasing amounts of miniCD4

From: MiniCD4 protein resistance mutations affect binding to the HIV-1 gp120 CD4 binding site and decrease entry efficiency

Virus

miniCD4

day of harvest

mutations found

resistant virus

BaL

M48

14

none found

 
  

21

H105H/Y mix

 
  

28

nd

 
  

42

H105Y

rM48BaL_a

BaL

M48U1

14

none found

 
  

21

nd

 
  

28

nd

 
  

36

S375R

 
  

45

S375R

rM48U1BaL_a

BaL

M48U1

14

nd

 
  

20

S375S/N mix

 
  

27

nd

 
  

35

nd

 
  

48

S375R

rM48U1BaL_b

SF162

M48

14

D474D/N mix

 
  

21

D474D/N mix

 
  

28

D474N

 
  

57

D474N

rM48SF162_a

SF162

M48

13

nd

 
  

25

nd

 
  

58

D474N

rM48SF162_b

SF162

M48U1

14

S375S/R mix

 
  

22

S375R

 
  

28

nd

 
  

59

G335R, S375R, G471R

rM48U1SF162_a

SF162

M48U1

14

V255M, L494L/V mix

 
  

21

V255M, L494V

 
  

28

V255M, S375N, L494V

 
  

57

V255M, S375N, L494V

rM48U1SF162_b

SF162

M48 + M48U1

14

D474N

 
  

21

D474N

 
  

29

nd

 
  

50

D474N

rCombiSF162_a

SF162

M48 + M48U1

13

nd

 
  

25

nd

 
  

34

D474N, L494L/V

 
  

58

G471E, D474N, L494V

rCombiSF162_b

  1. Numbering used is according to the HxB2 sequence. nd: not done.