MeSH definition : N(2)-((1-(N(2)-L-Threonyl)-L-lysyl)-L-prolyl)-L-arginine. A tetrapeptide produced
in the spleen by enzymatic cleavage of a leukophilic gamma-globulin. It stimulates
the phagocytic activity of blood polymorphonuclear leukocytes and neutrophils in particular.
The peptide is located in the Fd fragment of the gamma-globulin molecule.;
N(2)-((1-(N(2)-L-Threonyl)-L-lysyl)-L-prolyl)-L-arginine. A tetrapeptide produced
in the spleen by enzymatic cleavage of a leukophilic gamma-globulin. It stimulates
the phagocytic activity of blood polymorphonuclear leukocytes and neutrophils in particular.
The peptide is located in the Fd fragment of the gamma-globulin molecule.