637
In an analysis of the molecular mechanism by which IL-2 message was generated, we showed that a fibronectin -VLA-5 fibronectin receptor interaction may contribute an independent signal distinct from the CD3 pathway of activation by the induction of an AP-1 transcriptional factor .
 protein: fibronectin receptor; protein: IL-2; protein: fibronectin; protein: AP-1 transcriptional factor; protein: fibronectin; protein: CD3
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: fibronectin receptor; protein: IL-2; protein: fibronectin; protein: AP-1 transcriptional factor; protein: fibronectin; protein: CD3