Peptide Hydrolases
Research from R. Balti and colleagues has provided new data on peptide hydrolases
Published in Proteomics Weekly, November 8th, 2010
According to a study from Sfax, Tunisia, "Cathepsin D from the hepatopancreas of cuttlefish (Sepia officinalis) was purified to homogeneity by precipitation with ammonium sulfate (30-60%, w/v), Sephadex G-100 gel filtration, Mono-S cation-exchange chromatography, Sephadex G-75 gel filtration, and Mono-S FPLC with a 54-fold increase in specific activity and 17% recovery. The molecular weight of the purified cathepsin D was estimated to be 37.5 kDa by sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE)."
"On the basis of the native-PAGE and hemoglobin zymography, the purified protease appeared as a single band. The optimum pH and temperature for the...
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Source: Proteomics Weekly (2010-11-08)
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