| http://www.w3.org/ns/prov#value | - These fragments may be purified according to known methods, such as precipitation (e.g., ammonium sulfate), HPLC, ion exchange chromatography, affinity chromatography (including immunoaffinity chromatography) or various sizeseparations (sedimentation, gel electrophoresis, gel filtration).A. Variants of STARSAmino acid sequence variants of the polypeptide can be substitutional, insertional or delet
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