14348
The results show for the first time that a DNA-binding protein can be used for affinity purification of fusion proteins as exemplified by the specific and gentle recovery of beta-galactosidase and alkaline phosphatase from bacterial lysates using immunomagnetic separation .
 ( protein: alkaline phosphatase, None) , ( protein: beta-galactosidase, None) , ( protein: fusion proteins, None) , ( protein: DNA-binding protein, None) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: RNA,cell type,protein,cell line,DNA, Arguments type: . 
Text: {0} 
Answer:
 ( protein: alkaline phosphatase, None) , ( protein: beta-galactosidase, None) , ( protein: fusion proteins, None) , ( protein: DNA-binding protein, None) 