Abstract

Proteins and peptides can be characterized and compared at the subnanomole level by treatment with trypsin followed by high-performance liquid chromatography on reverse-phase partition columns. A fluorescamine monitoring system automatically analyzes a portion of the column effluent while the remainder can be collected for further studies. The method has already been used for characterization of rat β-endorphin and a protein which cross-reacts with antiserum prepared against prolyl hydroxylase.

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