1687
The dominant inhibitory biological activity of the N terminus correlated with its ability to impair EGF - dependent activation of GTP - Ras and of MAP kinase , as well with the ability of endogenous Sos to form a stable complex with activated EGF receptors .
 GENE: EGF; GENE: GTP - Ras; GENE: MAP kinase; GENE: Sos; GENE: EGF receptors
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: EGF; GENE: GTP - Ras; GENE: MAP kinase; GENE: Sos; GENE: EGF receptors