摘要 |
The invention relates to a polypeptide of the formula <IMAGE> in which R is phenolic hydrogen or a phenol ester group, and m, n, X, Z, A, B, C, D, E, F, G, H and J have the stated meanings, and in which the 6 Cys residues are linked pairwise by disulphide bridges, process for their preparation or isolation, their use and compositions containing these.
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