1682
Furthermore, concentrations of HU below 250 microM slightly increased the 5X AP-1 /CAT activity .
 protein: AP-1; protein: /CAT
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 protein: AP-1; protein: /CAT