1530
The lymphoid-specific transcription factor Oct-2a contains two transcriptional activation domains which are located within the N-terminal and C-terminal regions .
 protein: C-terminal regions; protein: transcriptional activation domains; protein: lymphoid-specific transcription factor; protein: N-terminal; protein: Oct-2a
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: C-terminal regions; protein: transcriptional activation domains; protein: lymphoid-specific transcription factor; protein: N-terminal; protein: Oct-2a