3866
Importantly, nucleoprotein extracts showing decreased DNA-binding activity had normal amounts of Oct-1 proteins as determined by immunoprecipitation , implying a functional defect in the Oct-1 protein .
 Oct-1 protein, Oct-1, Oct-1
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 protein, Oct-1, Oct-1