9222
Med31 is the smallest and the most evolutionarily conserved Mediator subunit , and knockout of Med31 results in embryonic lethality in mice ; however , Med31 function in specific biological contexts is poorly understood .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None