10011
When studying the binding of SR 31747A on membranes from yeast expressing SR-BP , we found a pharmacological profile of sigma 1 receptors ; binding was displaced by (+)-pentazocine , haloperidol , and (+)-SKF 10,047 , with (+)-SKF 10, 047 being a more potent competitor than (-)-SKF 10,047 .
 protein: SR-BP; protein: sigma 1 receptors
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: SR-BP, sigma 1 receptors 
Answer:
 protein: SR-BP; protein: sigma 1 receptors