Comparative analysis of zymogen granule membrane polypeptides

Raymond J. MacDonald, Robert A. Ronzio

Research output: Contribution to journalArticlepeer-review

63 Scopus citations


Polypeptides of zymogen granule membranes from rat, beef, dog, pig, and rabbit pancreas were analyzed by polyacrylamide gel electrophoresis in 1% sodium dodecylsulfate. Granule membranes were characterized by a single major polypeptide species detected by the periodic acid-Schiff procedure. The relative mobilities of this component were similar for these mammals. The component was distinct from major polypeptides of mitochondrial or microsomal membranes. The zymogen granule membrane may, therefore, represent a highly specialized intracellular membrane.

Original languageEnglish (US)
Pages (from-to)377-382
Number of pages6
JournalBiochemical and Biophysical Research Communications
Issue number2
StatePublished - Oct 17 1972

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology


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