11057
The carboxyl - terminal proline - rich domain of SOS1 is involved in the interaction with the PLC - gamma1 SH3 domain .
 SOS1, PLC - gamma1, SH3 domain
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 SOS1, PLC - gamma1, SH3 domain