28701
Particularly , HE800 exopolysaccharide ( HE800 EPS ) secreted by a deep - sea hydrothermal bacterium displays an interesting glycosaminoglycan - like feature resembling hyaluronan .
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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