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Table 1 Viral capture of HIV-1 with a panel of monoclonal antibodies measured by p24 or gp120

From: Discrete partitioning of HIV-1 Env forms revealed by viral capture

Antibody

Binding epitope

% p24

% gp120

gp120:p24

b12

gp120 CD4bs

50.9 (1.0)

75.2 (1.3)

1.48

b6

gp120 CD4bs

34.2 (7.9)

23.8 (3.7)

0.70

1F7

gp120 CD4bs

34.9 (1.7)

52.0 (1.8)

1.49

VRC01

gp120 CD4bs

28.6 (4.2)

78.2 (3.8)

2.73

VRC03

gp120 CD4bs

61.0 (1.6)

85 (12.9)

1.39

17b

gp120 CD4i

28.3 (7.1)

35.0 (6.7)

1.24

PG9

gp120 V2/V3 loop

69.0 (5.2)

51.4 (7.9)

0.74

PG16

gp120 V2/V3 loop

51.0 (1.2)

90.5 (14.6)

1.77

2G12

gp120 mannose

15.3 (0.6)

64.0 (3.2)

4.18

4B3

gp41 cluster I

60.1 (7.2)

22.1 (3.2)

0.37

3D6

gp41 cluster I

61.8 (2.4)

18.3 (5.3)

0.30

F240

gp41 cluster I

52.7 (8.1)

ND

ND

7B2

gp41 cluster I

39.6 (2.4)

ND

ND

5F3

gp41 cluster V

42.2 (9.4)

ND

ND

2F5

gp41 MPER

47.4 (1.2)

18.3 (1.3)

0.39

4E10

gp41 MPER

32.1 (2.3)

8.1 (0.5)

0.25

HLA-DR

Host protein

52.7 (4.6)

42.0 (7.6)

0.80

CD45

Host protein

1.1 (0.1)

0.1 (0.1)

0.09

IgG isotype

Non-specific

1.0 (0.0)

1.1 (0.1)

1.10

  1. Viral capture measured by particle and Env retention. Data shown are means and standard deviation, with n ≥ 3
  2. ND not determined