Dissociation constant of avidin and biotin

Value 1E-15 M
Organism Generic
Reference Green NM. Avidin. 1. The use of (14-C) biotin for kinetic studies and for assay. Biochem J. 1963 Dec89: 585-91 p.591 left column bottom paragraphPubMed ID14101979
Method A rapid method employing radioactive biotin
Comments The dissociation constant of the complex calculated from the rate constants was about 10^-15M, corresponding to a free energy change of 20 kcal/mole of biotin bound.
Entered by Uri M
ID 107216