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Valosin: isolation and characterization of a novel peptide from porcine intestine

  • Wolfgang E. Schmidt
  • , Viktor Mutt
  • , Mats Carlquist
  • , Hartmut Kratzin
  • , J. Michael Conlon
  • , Werner Creutzfeldt

Research output: Contribution to journalArticlepeer-review

Abstract

The isolation and primary structure of a novel gastrointestinal peptide, designated valosin, is described. The peptide was purified from porcine upper gut extracts using an HPLC and N-terminal sequence screening strategy which depends on Chromatographic and structural characteristics as isolation criterion. The amino acid sequence of this peptide consists of 25 amino acid residues: V Q Y P V E H P D K F L K F G M T P S K G V L F Y. It does not show structural homology to known protein or nucleotide sequences. According to preliminary experiments, valosin possesses biological effects on the gastrointestinal tract of the dog.

Original languageEnglish
Pages (from-to)264-268
Number of pages5
JournalFEBS Letters
Volume191
Issue number2
DOIs
Publication statusPublished (in print/issue) - 28 Oct 1985

Funding

We thank Dr R.F. Doolittle, University of California, San Diego, for performing the sequence homology search, Professor T.W. Schwartz and Dr H.F. Hansen, Copenhagen,f or the gas-phases equencingo f peptideT 4, Professor S. Konturek, Krakow, for biological screeninge x-periments and Professor N. Hilschmann, Got-tingen, for providing generouss upport in structural work. Excellentt echnicala ssistanceb y MS E. Rabbe, MS B. Wehle, MS D. Michels, Mrs L. Melin and Mrs B. Agerberth is gratefully acknowledged. This study was supported by Deutsche Forschungsgemeinscha(fgt rant Cr 201 19-4), by the SwedishM edical ResearchC ouncil (grant 13X01010),b y Stiftung Volkswagenwerk and by Smith Kline DauelsbergF oundation.

FundersFunder number
13X01010
Deutsche Forschungsgemeinschaft DFG (J.L.)Cr 201 19-4

    Keywords

    • Gastrointestinal peptide
    • HPLC-sequence screening Primary structure
    • Isolation
    • Porcine gut extract
    • Valosin

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