857
In electrophoretic mobility shift assays , the PERE formed three major complexes ( P1 , P2 and P3 ) with proteins in nuclear extracts from HeLa or 293 cells .
 GENE: PERE
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: PERE