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Table 3 OPK activities of mAbs (EC50, ng/ml)

From: Human monoclonal antibodies isolated from a primary pneumococcal conjugate Vaccinee demonstrates the expansion of an antigen-driven Hypermutated memory B cell response

 

MOPA assay killing Pneumococcal serotypes

Serotype

mAb

T4

T6b

T14

T23f

T18c

T19f

T9v

T6a

T1

T3

T5

T6c

T7F

T19A

T22F

T33F

T4

1A6

29

–

–

–

–

–

–

–

ND

ND

ND

ND

ND

ND

ND

ND

T4

1A10

55

–

–

–

–

–

–

–

ND

ND

ND

ND

ND

ND

ND

ND

T4

1B1

23

–

–

–

–

–

–

–

ND

ND

ND

ND

ND

ND

ND

ND

T18C

1B2

–

–

 

–

47

–

–

–

ND

ND

ND

ND

ND

ND

ND

ND

T1

1C6

ND

ND

ND

ND

ND

ND

ND

ND

14

–

–

–

–

–

–

–

T7F

1A2

ND

ND

ND

ND

ND

ND

ND

ND

–

–

–

–

11

–

–

–

T6a,b

1C4

–

37

–

–

–

–

–

100

–

–

–

142

–

–

–

–

T6a, b

1D7

–

355

–

–

–

–

–

334

–

–

–

2247

–

–

–

–

  1. Note: - = no activity in MOPA assay (EC50 > 7500 ng/ml) [12]. ND = not tested. mAb serotype was determined by ELISA binding