1293
Thromboxane receptor promoter activity , as assessed by CAT expression , was relatively weak but was significantly enhanced by phorbol ester treatment .
 protein: CAT; DNA: receptor promoter
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: CAT; DNA: receptor promoter