10453
Functional IL-12 is a heterodimer composed of two distinct subunits that are encoded by separate genes on different chromosomes.
 heterodimer, IL-12
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:
 heterodimer, IL-12