25101
The isoelectric points of SCP subunits a , b and c were 4 . 6 , 4 . 7 , and 4 . 8 , respectively , as determined by two - dimensional electrophoresis and IgE immunoblotting analysis showed that patients ' sera reacted to three subunits of SCP .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None