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Finally, by studying a further series of patients , we could confirm that the decrease in Rap1 protein expression in heart failure, whatever its extent, was variable, and could strictly correlate the expression of Rap1 protein with the stimulatory effect of C. Sub. on Ca2+ transport .
 protein: Rap1 protein; protein: C. Sub.; protein: Rap1 protein
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:
 protein: Rap1 protein; protein: C. Sub.; protein: Rap1 protein