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A complementary DNA encoding a DNA-binding protein ( human X box binding protein , hXBP-1 ) whose target is the human DR alpha X box and the 3' flanking region has now been cloned.
 protein: DNA-binding protein; DNA: 3' flanking region; DNA: complementary DNA; DNA: human DR alpha X box; protein: hXBP-1; protein: human X box binding protein
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: DNA-binding protein; DNA: 3' flanking region; DNA: complementary DNA; DNA: human DR alpha X box; protein: hXBP-1; protein: human X box binding protein