10462
Cloning and sequencing of the upstream region of pepX revealed the presence of two ORFs of 360 and 1 , 338 bp that were shown to be able to encode proteins with high homology to GlnR and GlnA proteins , respectively .
 pepX, GlnR, GlnA proteins
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 pepX, GlnR, GlnA proteins