10753
Both normal and transforming PCPH proteins have guanosine diphosphatase activity but only the oncoprotein cooperates with Ras in activating extracellular signal - regulated kinase ERK1 .
 PCPH proteins, guanosine diphosphatase, Ras, extracellular signal - regulated kinase, ERK1
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 PCPH proteins, guanosine diphosphatase, Ras, extracellular signal - regulated kinase, ERK1