4449
DATABASE : Structural data for the NMR structure of EW29Ch in the sugar - free state have been deposited in the Protein Data Bank database under accession number 2RST .
 Chemical: sugar
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: sugar