1952 Volume 25 Issue 3 Pages 214-218
(1) A brief method for the characterization of carboxyl-terminal amino acids in peptides and proteins was investigated.
(2) Several new amino acid hydrazides were synthesized.
(3) Soveral di- and tri-peptides were hydrazinolyzed and identified their carboxylterminal amino acid.
(4) The method was applied to beef insulin and tyrocidin for the demonstration of its applicability.
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