7705
Initial NMR studies showed that 6DBF7 binds to gal - 1 on one side of the beta - sandwich away from the lectin ' s carbohydrate binding site .
 Chemical: 6DBF7; Chemical: carbohydrate
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: 6DBF7; Chemical: carbohydrate