Grb2 is a negative modulator of the intrinsic Ras-GEF activity of hSos1
Molecular Biology of the Cell (2006) - Comments
doi: 10.1091/mbc.e05-12-1104  pubmed: 16760435  issn: 1059-1524  issn: 1939-4586 

Natasha Zarich, José Luis Oliva, Natalia Martínez, Rocío Jorge, Alicia Ballester, Silvia Gutiérrez-Eisman, Susana García-Vargas, José M. Rojas