1450
To determine which of the latter two complexes represents NIP activity , we incorporated small alterations into the NIP site of an IL-3 promoter -linked reporter construct and examined their effects on NIP -mediated repression .
 protein: NIP; protein: NIP; DNA: NIP site; protein: NIP; DNA: IL-3 promoter -linked reporter construct; DNA: IL-3 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: NIP; protein: NIP; DNA: NIP site; protein: NIP; DNA: IL-3 promoter -linked reporter construct; DNA: IL-3 promoter