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Table 1 Binding constants (KD) determined for 5 different phospholipid forms against 504B3

From: Lysophosphatidic acid (LPA)-antibody (504B3) engagement detected by interferometry identifies off-target binding

Lysophospholipid

KD from FSAā€‰Ā±ā€‰SD (95% CI)

Bmax (95% CI)

R2

18:1 LPA

3.7ā€‰Ā±ā€‰2.8ā€‰nM (2.1 to 9.0)

0.17 (0.14 to 0.25)

0.83

18:1 PA

3.3ā€‰Ā±ā€‰2.7ā€‰nM (1.5 to 6.4)

0.15 (0.12 to 0.17)

0.81

18:1 LPC

8.5ā€‰Ā±ā€‰2.6ā€‰nM (5.3 to 13.5)

0.14 (0.12 to 0.16)

0.90

16:0 LPA

>ā€‰30ā€‰nM (undetermineda)

0.39 (undetermineda)

0.94

18:1 S1P

~ 0

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