5051
This shows that in a eukaryotic nucleus , Tax specifically interacts with the basic domain -leucine zipper region of ATF-1 , CREB , and CREM .
 protein: -leucine zipper; protein: CREM; protein: basic domain; protein: CREB; protein: Tax; protein: basic domain -leucine zipper region; protein: ATF-1
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: -leucine zipper, CREM, basic domain, CREB, Tax, basic domain -leucine zipper region, ATF-1 
Answer:
 protein: -leucine zipper; protein: CREM; protein: basic domain; protein: CREB; protein: Tax; protein: basic domain -leucine zipper region; protein: ATF-1