892
When tested in a radioreceptor assay in human mononuclear leukocytes the synthesized compounds showed only low relative binding affinities ( RBA ) to type 1 receptor , the highest being 0.72% for 13 ( aldosterone = 100%).
 cell type: human mononuclear leukocytes; protein: type 1 receptor
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell type: human mononuclear leukocytes; protein: type 1 receptor