Ras
The Ras protein is a monomeric G-protein with weak GTPase enzyme activity. It is a signal-transducer protein for growth factors and therefore it helps to transfer signals from cell-surface Receptor Tyrosine Kinase (RTK) receptors to the nucleus[1].
References:
- ↑ Alberts, B, et al, 2008. Molecular Biology of the Cell. 5th ed. United States of America: Garland Science.