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Neutral serine proteinase and metalloproteinase strongly bound to human erythrocyte membrane
1Department of Biophysics, University of Lódź, Poland.
Cytobios
|January 1, 1993
Abstract:
Human and bovine erythrocyte ghosts contain a proteolytic system strongly related to membranes. Two proteinases were isolated from human erythrocyte ghosts depleted in most peripheral proteins by extraction with Triton X-100, chromatography on DEAE-cellulose and preparative electrophoresis (SDS-PAGE). The enzymes which were strongly bound to membrane serine proteinase (relative molecular weight 23 kD) and metalloproteinase (28 kD), are probably the integral membrane proteins.