990
This zinc-finger region , which is thought to bind DNA in a sequence-specific manner , is similar (greater than 80% on the amino acid level ) to two previously described transcription factors pAT 225/EGR1 and pAT 591/EGR2 .
 protein: zinc-finger region; protein: pAT 225/EGR1; protein: zinc-finger; protein: 591/EGR2; protein: transcription factors
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: zinc-finger region; protein: pAT 225/EGR1; protein: zinc-finger; protein: 591/EGR2; protein: transcription factors