Sequence: Undefined polypeptide extract of calf thymus; the dipeptides Lys-Glu and Glu-Trp are described as its active components
Other names: Thymus polypeptide complex
Thymalin is not thymulin. Thymulin is a defined nonapeptide (pGlu-AKSQGGSN, 858.9 g/mol) and has its own page. Purity on a mixture is reported as a chromatographic profile against a reference lot rather than a single area percent.