ras-GRF1

**Definition:** A guanine nucleotide exchange factor that is expressed primarily in neuronal tissue and may be specific for the Ha-ras homolog of the RAS PROTEINS.

**Tree numbers:** - D12.644.360.325.300.700.500 - D12.776.476.325.300.700.500

**Synonyms:** - cdc25p - ras Guanine Nucleotide Releasing Factor - rasGRF1 - ras Guanine Nucleotide Releasing Factor 1 - ras-GRF - GRF1 Protein - H-GRF55 Protein - cdc25Mm - cdc25 Guanine Nucleotide Exchange Factor