C-Raf
| Symbol | RAF1 |
|---|---|
| HGNC ID | 9829 |
| Alternative symbols | – |
| Entrez Gene | – |
| OMIM | 164760 |
| RefSeq | NM_002880 |
| UniProt | P04049 |
| Chromosome | 3p25 |
| Locus supplementary data | – |
C-Raf (also known as RAF1) is a protein kinase that is encoded by the RAF1 gene in Homo sapiens. It is a member of the Raf kinase family of serine/threonine-specific protein kinases.
Function[edit]
C-Raf plays a crucial role in the MAPK/ERK pathway, which is involved in the regulation of cell division, differentiation, and secretion. Upon activation by Ras proteins, C-Raf phosphorylates and activates MEK1 and MEK2, which in turn activate ERK1 and ERK2. This signaling cascade is essential for transmitting signals from the cell membrane to the nucleus.
Structure[edit]
C-Raf consists of three conserved regions: CR1, CR2, and CR3. The CR1 region contains the Ras-binding domain (RBD) and the cysteine-rich domain (CRD), which are essential for its interaction with Ras proteins. The CR2 region is a serine/threonine-rich domain that serves as a regulatory region. The CR3 region contains the kinase domain, which is responsible for its enzymatic activity.
Clinical Significance[edit]
Mutations in the RAF1 gene have been associated with several types of cancer, including melanoma, lung cancer, and colorectal cancer. Additionally, mutations in C-Raf are linked to developmental disorders such as Noonan syndrome and LEOPARD syndrome.
Interactions[edit]
C-Raf interacts with several proteins, including:
Research[edit]
Ongoing research is focused on understanding the precise mechanisms of C-Raf activation and its role in various diseases. Inhibitors targeting C-Raf and other components of the MAPK/ERK pathway are being developed as potential therapeutic agents for cancer treatment.
See also[edit]
References[edit]
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