23038
The N254Y / H258Y variant selectively binds PC - enriched vesicles , and X - ray crystallography reveals N254Y / H258Y binds choline and dibutyroylphosphatidylcholine within the cation - pi motif .
 Chemical: choline; Chemical: dibutyroylphosphatidylcholine
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: choline; Chemical: dibutyroylphosphatidylcholine