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The immunophilin FKBP51 was 13-fold higher in SML than in HL cytosol ; FKBP52 in SML was 42% of that in HL cytosol .
 FKBP52, SML, SML, immunophilin FKBP51
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 FKBP52, SML, SML, immunophilin FKBP51