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Last Updated: April 25, 2024

Claims for Patent: 5,633,352

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Summary for Patent: 5,633,352

Title:	Biosynthetic human growth hormone
Abstract:	A desired protein having the formula: wherein a) A is Lys or Arg, and B and C are arbitrary amino acids, or b) A is an arbitrary amino acid different from Pro, Lys and Arg, and B and/or C is Pro, is produced from a biosynthetically formed amino acid extended protein having the formula: wherein A, B, C and P are as defined above, and X is an amino acid sequence with an even number of amino acids, of which the first one, seen from the N-terminal end, is different from Lys and Arg, all other uneven amino acids are different from Pro, Lys and Arg, and all even amino acids are different from Pro, by reaction with the enzyme dipeptidyl aminopeptidase (DAP I). The desired protein is obtained in a pure state. Thus, e.g. hGH without content of Met-hGH may be produced by the process.
Inventor(s):	Dalb.o slashed.ge; Henrik (Virum, DK), Pedersen; John (Kokkedal, DK), Christensen; Thorkild (Aller.o slashed.d, DK), Ringsted; J.o slashed.rli W. (Br.o slashed.ndby, DK), Jessen; Torben E. (Holbaek, DK)
Assignee:	Novo Nordisk A/S (DK)
Application Number:	08/402,286
Patent Claims:	1. Biosynthetic ripe human growth hormone free of contaminants from pituitary derived human growth hormone. 2. Biosynthetic ripe human growth hormone produced by expressing an amino terminal extended human growth hormone fusion protein in a microorganism capable of such expression, enzymatically cleaving the amino terminal extension and recovering the biosynthetically produced ripe human growth hormone.

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