Parathyroid hormone derivatives

Details Parathyroid hormone derivatives Parathyroid hormone derivatives

1991-09-25

1995-02-28

Lee, Lester L.

Chemistry: natural resins or derivatives; peptides or proteins;

Peptides of 3 to 100 amino acid residues

25 or more amino acid residues in defined sequence

A61K 3700, A61K 3702, C07K 500, C07K 700

Patent

active

053938690

ABSTRACT:
Disclosed are peptides and salts thereof represented by general formul ##STR1## wherein R.sub.1 represents Ser or Aib; R.sub.2 represents Met or a naturally occurring hydrophobic amino acid; R.sub.3 represents Leu, Ser, Lys or an aromatic amino acid; R.sub.4 represents Gly or a D-.alpha.-amino acid; R.sub.5 represents Lys or Leu; R.sub.6 represents Met or a naturally occurring hydrophobic amino acid; R.sub.7 represents Glu or a basic amino acid; R.sub.8 represents Val or basic amino acid; R.sub.9 represents Trp or 2-(1,3-dithiolane-2-yl)Trp; R.sub.10 represents Arg or His; R.sub.11 represents Lys or His; R.sub.12 represents Lys, Gln or Leu; and R.sub.13 represents Phe or Phe-NH.sub.2 ; except that simultaneously R.sub.1 consists of Ser, R.sub.2 consists of Met, R.sub.3 consists of Leu, R.sub.4 consists of Gly, D-Ala or D-Pro, R.sub.5 consists of Lys, R.sub.6 consists of Met, R.sub.7 consists of Glu, R.sub.8 consists of Val, R.sub.9 consists of Trp, R.sub.10 consists of Arg, R.sub.11 consists of Lys and R.sub.12 consists of Lys.
The parathyroid hormone (1-34) analogs are useful in hormone therapy.

REFERENCES:
patent: 4423037 (1983-12-01), Rosenblatt et al.
Coltrera et al., Biochemistry, vol. 19, pp. 4380-4385, 1980.
Rosenblatt et al, Biochemistry, vol. 20, pp. 7246-7250, 1981.

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