5767
Sodium dodecyl sulfate - polyacrylamide gel electrophoresis showed that the protein was purified to near homogeneity and had a subunit Mr of 43 000 , which is identical with the Mr of acylase I from porcine kidney and bovine liver .
 kidney, liver
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 kidney, liver