1513
The NH2-terminal 126 amino acids of BOB.1/OBF.1 are both essential and sufficient for interaction with the POU domains of either Oct1 or Oct2 .
 protein: Oct2; protein: NH2-terminal 126 amino acids; protein: POU domains; protein: BOB.1/OBF.1; protein: Oct1
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: Oct2; protein: NH2-terminal 126 amino acids; protein: POU domains; protein: BOB.1/OBF.1; protein: Oct1