1261
Chloramphenicol acetyltransferase ( CAT ) assay after transient cotransfection showed about a fivefold transactivation of the L-selectin promoter by Tax .
 DNA: L-selectin promoter; protein: Tax; protein: Chloramphenicol acetyltransferase; 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:
 DNA: L-selectin promoter; protein: Tax; protein: Chloramphenicol acetyltransferase; protein: CAT