7789
Like the elicitors of the hypersensitive reaction ( HR ) produced by E . chrysanthemi ( HarpinEch ) and E . amylovora ( HarpinEa ) , the deduced 36 - kDa protein does not possess a typical signal sequence , but it contains a putative membrane - spanning domain .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 None