1462
Paracrine activation of the HIV - 1 LTR promoter by the viral Tat protein is mechanistically similar to trans - activation within a cell .
 GENE: HIV - 1 LTR promoter; GENE: viral Tat protein
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: HIV - 1 LTR promoter; GENE: viral Tat protein