What is "tuftsin"

n. (context biochemistry English) A tetrapeptide produced by enzymatic cleavage of the Fc-domain of the heavy chain of immunoglobulin G.

Tuftsin is a tetrapeptide (Thr-Lys-Pro-Arg) produced by enzymatic cleavage of the Fc-domain of the heavy chain of immunoglobulin G. It is produced primarily in the spleen.