6931
We investigate picosecond - nanosecond dynamics of the Rho - GTPase Binding Domain ( RBD ) of plexin - B1 , which plays a key role in plexin - mediated cell signaling .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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