Guanine Nucleotide-Releasing Factor 2

**Definition:** A 145-kDa guanine nucleotide exchange factor that is specific for rap1 and ras GTP-BINDING PROTEINS. It associates with SH3 domains of the crk family of signaling proteins.

**Tree numbers:** - D12.644.360.325.300.300 - D12.776.476.325.300.300

**Synonyms:** - GRF2 Protein, Mammalian - Guanine Nucleotide Exchange Factor C3G - GRF2 - GRF2 Protein - GRF-2 - C3G Protein - RAP1GRF1