9923
Interestingly, co-immunoprecipitation analysis also revealed that Tax mutant IEXC29S is unable to interact with NGFI-A/Egr-1 , whereas Tax mutant IEXL320G is able to interact with NGFI-A/Egr-1 .
 protein: NGFI-A/Egr-1; protein: IEXC29S; protein: Tax; protein: Tax; protein: NGFI-A/Egr-1; protein: IEXL320G
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: NGFI-A/Egr-1, IEXC29S, Tax, Tax, NGFI-A/Egr-1, IEXL320G 
Answer:
 protein: NGFI-A/Egr-1; protein: IEXC29S; protein: Tax; protein: Tax; protein: NGFI-A/Egr-1; protein: IEXL320G