5765
Rat kidney cytosol was fractionated by ammonium sulfate precipitation , and the proteins were separated by ion - exchange column chromatography , gel - filtration column chromatography , and hydrophobic interaction column chromatography .
 Anatomy: kidney cytosol
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: kidney cytosol 
Answer:
 Anatomy: kidney cytosol