9372
Several approaches , including computer - aided drug design , fluorescence polarization competition assays , NMR , x - ray crystallography and cell - based screens have been performed to identify compounds that block the S100B - p53 association , reactivate p53 transcriptional activities and induce cancer cell death .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None