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Southwestern blotting and UV cross-linking studies confirmed that the BAT box binding proteins were Oct-1 and Oct-2 .
 Oct-1, Oct-2, BAT box binding proteins
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 Oct-1, Oct-2, BAT box binding proteins