Bach J F, Dardenne M, Pleau J M, Rosa J
C R Acad Hebd Seances Acad Sci D. 1976 Nov 29;283(14):1605-7.
A serum thymic factor has been isolated from pig serum. Its amino-acid sequence has been determined by Edman technique, modified by Gray: Gln-Ala-Lys-Ser-Gln-Gly-Gly-Ser-Asn. A nonapeptide, synthesized on the basis of this sequence is active in the rosette assay used for the isolation of the biological product, both in vitro (10(-15) M) and in vivo (0.1 ng per Mouse).
