If [F] represents concentration of free binding site and [B] the concentration of bound sites in steady state, then the assassociation constant for this equilibrium is given by: "K=[B]\/[F][S]"
The total number of sites is: "n[P]=[F]+[B]". The equation therefore becomes,
"r=[B]\/[P]= 4K[S]\/(1+ K[S])"
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