Cabib, E Yeast chitin synthetase. Separation of the zymogen from its activating factor and recovery of the latter in the vacuole fraction. [electronic resource] - The Journal of biological chemistry Feb 1973 - 1451-8 p. digital Publication Type: Journal Article ISSN: 0021-9258 Subjects--Topical Terms: Azo CompoundsCell FractionationCentrifugation, Density GradientChitinCytoplasm--analysisEnzyme ActivationEnzyme Precursors--isolation & purificationGlucosamineGlucosyltransferases--isolation & purificationHemoglobinsMembranes--analysisMicroscopy, ElectronMicroscopy, Phase-ContrastMitochondriaOsmolar ConcentrationOsmosisPeptide Hydrolases--isolation & purificationProtoplasts--enzymologyRibonucleases--isolation & purificationSaccharomyces cerevisiae--analysis