5301
A number of integral membrane G protein - coupled receptors ( GPCRs ) share common structural features ( including palmytoilated aminoacid residues and consensus sequences specific for interaction with cholesterol ) that allow them to interact with lipid rafts , membrane cholesterol - rich microdomains able to regulate GPCR signalling and functions .
 Chemical: palmytoilated aminoacid; Chemical: cholesterol; Chemical: cholesterol
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: palmytoilated aminoacid; Chemical: cholesterol; Chemical: cholesterol