1844
Protein E was purified and shown to form an aqueous channel in planar lipid membranes with a conductance of 1 . 1 nS in 1 M KCl .
 Anatomy: lipid membranes
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Anatomy 
Text: {0} 
Answer:
 Anatomy: lipid membranes