2286
Examination of the primary amino acid sequence of this protein indicates that it is a member of the signal transducers and activators of transcription (Stat) family of DNA binding proteins , hereby designated IL-4 Stat .
 primary amino acid sequence, DNA binding proteins, signal transducers and activators of transcription (Stat) family, IL-4 Stat
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:
 primary amino acid sequence, DNA binding proteins, signal transducers and activators of transcription (Stat) family, IL-4 Stat