Chemistry of Natural Compounds

, Volume 5, Issue 6, pp 458–463 | Cite as

Successive cleavage of pepsin with trypsin and cyanogen bromide isolation of a peptide fragment belonging to the C-terminal region of pepsin

  • M. I. Lapuk
  • Yu. S. Kuznetsov
  • V. M. Stepanov


1. The peptide TB has been isolated from the C-terminal fragment of pepsin.

2. The amino acid composition of this region of pepsin has been refined.

3. The sequence of nine amino acids in the peptide TB has been established.


Amino Acid Composition Chymotrypsin Cyanogen Bromide Medicinal Preparation BrCN 


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Copyright information

© Consultants Bureau 1972

Authors and Affiliations

  • M. I. Lapuk
    • 1
  • Yu. S. Kuznetsov
    • 1
  • V. M. Stepanov
    • 1
  1. 1.Institute of the Chemistry of Natural Compounds AS USSRUSSR

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