1521
Here we report the purification of this larger form as an approximately 320 - kDa particle that contains mRNP3 + 4 and nine additional polypeptides , including mRNA - binding polypeptides of 34 and 36 kDa and a doublet of 110 / 105 kDa that proved to be nucleolin .
 GENE: mRNP3 + 4; GENE: nucleolin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: mRNP3 + 4; GENE: nucleolin