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; protein: beta-galactosidase; protein: fusion proteins; protein: DNA-binding protein
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: alkaline phosphatase, beta-galactosidase, fusion proteins, DNA-binding protein 
Answer:
 protein: alkaline phosphatase; protein: beta-galactosidase; protein: fusion proteins; protein: DNA-binding protein