Rap Guanine Nucleotide Exchange Factor 1

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** Rap guanine nucleotide exchange factor 1 (1077 aa, ~121 kDa) is encoded by the human RAPGEF1 gene. This protein is involved in guanine nucleotide exchange activity.

**Synonyms:** - C3G Protein - CRK SH3-binding GNRP - GRF2 - Guanine Nucleotide-Releasing Factor 2 - Protein C3G - RAPGEF1 - Rap Guanine Nucleotide Exchange Factor (GEF) 1