3655
To evaluate the potential of this scaffold for encapsulation of guest molecules , we made variants at residues 381 and 239 which altered the physicochemical properties of the hollow internal cavity .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
 Entities:  
Answer:
 None