Main > PEPTIDES > Amylin. > Amylin Amide. > Patent. > Claims > Claim 1: Prepn Peptide C-End Amide > a) Treat Soln of Peptide Acid Form > with an Esterifying Reagent to form > Peptide Ester (A); b) Treat. (A): > NH2 Source+Chymotrypsin. Claim 2: > Cl. 1(b) Step: (A)+NH2 Source+ > Enzyme Select: Thermolysin, Papain, > Pepsin and Bromelain. Claim 3: > Amylin C-End Amide Prepn.: a) > Idem to Cl. 1,2; b) (A)+NH2 Source+ > Amidation Reagent: Enzyme & c) > Remove Ester Groups from Side Chain > Carboxyls. Claim 4: NH2 Source: > Amine & Enzyme: Chymotrypsin.

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Amine & Enzyme: Chymotrypsin.'s subsections
Claim 5: NH2 Source: Amine &

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