C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
195/1.14, 195/1.
C12N 15/00 (2006.01) C07K 14/645 (2006.01) C12N 15/62 (2006.01) C12P 21/02 (2006.01)
Patent
CA 1224167
- 1 - Abstract of the disclosure Secretin, which cannot be prepared directly by genetic engineering because of its carboxylic acid carboxyl-terminus, can be obtained by preparing secretyl- glycine by genetic engineering and then obtaining secretin therefrom by enzymatic conversion of the terminal glycine radical. The gene for the secretylglycine is synthesized chemically from smaller single-stranded units which are linked enzymatically to give the complete gene, incor- porated into a suitable vector and amplified therein, after which the peptide is isolated directly or as a fusion protein and, after cyanogen bromide cleavage, is converted enzymatically into secretin.
460693
Engels Joachim
Konig Wolfgang
Uhlmann Eugen
Wetekam Waldemar
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hoechst Aktiengesellschaft
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