1182
Moreover, STAT5 was found to be the predominant STAT transcription factor used by IL-2 in human T cells , and specifically required a COOH-terminal region of IL-2R beta ( Ser386-Val525 ), while STAT5 recruitment was not correlated to activation of IL-2R gamma or JAK3 .
 protein: IL-2; cell type: T cells; protein: COOH-terminal region; cell type: human T cells; protein: Ser386-Val525; protein: JAK3; protein: STAT transcription factor; protein: STAT5; protein: STAT5; protein: IL-2R beta; protein: IL-2R gamma
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: IL-2; cell type: T cells; protein: COOH-terminal region; cell type: human T cells; protein: Ser386-Val525; protein: JAK3; protein: STAT transcription factor; protein: STAT5; protein: STAT5; protein: IL-2R beta; protein: IL-2R gamma