1860
Finally , anti - p53 monoclonal antibodies only slightly affected in vitro phosphorylation reactions , whereas a p53 molecule from a simian virus 40 - free , chemically transformed human cell line was not phosphorylated in vitro under any condition tested .
 Anatomy: cell line
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: cell line