AS-2 thus obtained homogeneous as shown by Sepharose CL-4B column chromatography and cellulose acetate film electrophoresis.

 
  • AS-2經(jīng)Sepharose CL-4B柱層析為單一對稱(chēng)峰,經(jīng)醋酸纖維素膜電泳為一條帶,凍融后高速離心無(wú)沉淀可證明其為均一級分。
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