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A binding protein binds to a ligand l with a kd of 400 nm what is the concentration of ligand when y is 0.25

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Answer:

The answer is 7600 nm.

Step-by-step explanation:

As, Y = 0.25 = [ L ÷ (400 + (L)]

0.95 x 400 + 0.25 [ L] = [ L ]

380.25 = [ L ] - 0.95 [ L ]

= 0.05 [L]

[L] = 380 ÷ 0.05 = 7600nm