5161
Eristostatin binding was partially inhibited by the addition of soluble RGDS peptide , suggesting an integrin as one likely , but not the sole , binding partner .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None