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Association constant



A mathematical constant that describes the bonding affinity between two molecules at equilibrium.


It is the measure of the affinity of an enzyme for its substrate. An example is the measure of the strength of binding in the hapten-antibody interaction.

Symbol: Ka


Compare: dissociation constant

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by pinkypig
Thu Feb 05, 2009 5:12 pm
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How do you calculate dissociation constant?

Kd is one form of an equilibrium constant. You can write a reaction as either a dissociation or association reaction. AB <--> A + B, Kd = [A][B]/[AB] or A + B <--> AB, Keq = 1/Kd = [AB]/[A][B] ...

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by blcr11
Tue Sep 30, 2008 1:22 am
Forum: Molecular Biology
Topic: How do you calculate dissociation constant?
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Views: 16666

Kd of Acetylcholine to muscarinic acetylcholine receptor

Hello, I would like to know the association rate constant of Ach to mAchR but i can't find this information !! And in general how to find this kind of informations ...

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by nico68
Mon Sep 01, 2008 12:18 pm
Forum: Molecular Biology
Topic: Kd of Acetylcholine to muscarinic acetylcholine receptor
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Views: 1405
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