Accession NumberHMDB05770
Common_NameTuftsin
DescriptionTuftsin (L-threonyl-L-lysyl-L-prolyl-L-arginine) is a peptide related primarily to the immune system function. 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. Its biological activity is related primarily to the immune system function. Tuftsin binds to specific receptors on the surface of macrophages and polymorphonuclear leukocytes, stimulating their migration, phagocytic, bactericidal, and tumoricidal activity. It also influences antibody formation. Tuftsin deficiency, either hereditary or following splenectomy, results in increased susceptibility to certain infections. Tuftsin has been chemically synthesized and it is considered for use in immunotherapy.
Chemical_IUPAC_Name2-[[1-[6-amino-2-[(2-amino-3-hydroxybutanoyl)amino]hexanoyl]pyrrolidine-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid
Chemical FormulaC21H40N8O6
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