8185
Although the CD domain constitutes only a small percentage of the surface area of the enzyme ( ~ 5 % ) , sorting a yeast displayed monobody library with wild type ( wt ) Erk - 2 and a rationally designed mutant led to isolation of high affinity clones with desired epitope specificity .
 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