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Table 1 Binding kinetics for anti-human TC mAbs as measured by SPR

From: Characterization of a monoclonal antibody with specificity for holo-transcobalamin

MAb

Isotype

Epitope1

KD2 (nmol/L)

Holo/apo specificity (-fold)

3–9

IgG1

1

0.03

1

3–11

IgG2a

2a

0.2

1

TC7

IgG2a

2a

10

1

4–7

IgG2b

2b

0.5

3

5H2

IgG1

2b

>100

4

TC4

IgG1

3

5–10

1

TC2

IgG1

4

1

1

3C12

IgG1

5

5

1

3C4

IgG1

6

none

>100

  1. 1 Epitope nomenclature follows that given in ref. 15. Mab 3C4 was originally assigned the same epitope as TC2 (epitope 4). Based on additional data, it has been reassigned a new epitope 6.
  2. 2 Approximate KD values for apoTC.