Methanolysis of the pyrrolidone ring of amino-terminal pyroglutamic acid in model peptides.

Amino Acid Sequence Amino Acids/analysis Aspartic Acid Benzyl Compounds/chemical synthesis Butanols Chromatography, Gas Crystallization Esters Hydrolysis Isoleucine Leucine Lysine Methanol Peptides/chemical synthesis Proline Pyrrolidinones Pyrrolidonecarboxylic Acid Serine Staining and Labeling

Amino Acids Benzyl Compounds Butanols Esters Peptides Pyrrolidinones Isoleucine Aspartic Acid Serine Proline Leucine Lysine Pyrrolidonecarboxylic Acid Methanol