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Table 3 Genetic and neutralization properties of autologous env genes

From: HIV-1 clade C escapes broadly neutralizing autologous antibodies with N332 glycan specificity by distinct mechanisms

env clones

Clade

% identitya

N332 genotype

PNLG V1 loop

PNLG V1V2 loop

Length V1 loop

Length V1V2 loop

Autologousb neutralization (ID50)

IC50 c (µg/ml)

PGT121

PGT128

HIV-1 NLR-2007.J10

C

99.1

N332

5

10

41

96

36

>10

>10

HIV-1 NLR-2007.J12

C

100.0

N332

5

10

41

96

43

>10

>10

HIV-1 NLR-2007.J24

C

98.3

N332

5

10

41

96

83

>10

>10

HIV-1 NLR-2007.J32

C

99.5

N332

5

10

41

96

56

>10

>10

HIV-1 NLR-2007.J48

C

95.0

S332

2

07

27

76

25

>10

>10

  1. a % identity of the autologous env amino acid sequences to NLR-2007.J12 was deduced using LAALIGN tool (http://www.ch.embnet.org/software/LALIGN_form.html). It refers to the degree of correlation between two un-gapped sequences and indicates that the amino acid at the particular position is an exact match
  2. bID50 values refers to the reciprocal dilution of the plasma that mediated 50 % neutralization of the HIV-1 Env pseudotyped viruses in TZM-bl cell
  3. cIC50 values indicate concentration that mediated 50 % Env-pseudotyped virus neutralization in TZM-bl cells. Note that in our study, the highest mAb concentration used was 10 µg/ml