1031
In agreement with this southern blotting of mouse DNA with SmN probes reveals bands , additional to those derived from the pseudogene , which are characteristic of an intron - containing SmN gene .
 SmN, SmN gene
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 SmN, SmN gene