Chek2 Protein is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
| CHEK2 Protein | |
|---|---|
| Protein Name | Checkpoint kinase 2 |
| Alternative Names | CHK2, Cdc2-like kinase 2 |
| Molecular Weight | 61 kDa |
| Length | 543 amino acids |
| UniProt ID | O96017 |
| Cellular Location | Nucleus |
CHEK2 (Checkpoint Kinase 2) is a serine/threonine kinase that functions downstream of ATM in the DNA damage response pathway. Unlike CHEK1, which is primarily activated by ATR in response to replication stress, CHEK2 is predominantly activated by ATM following double-strand breaks. CHEK2 plays essential roles in cell cycle arrest, DNA repair, and apoptosis, and pathogenic variants are associated with increased cancer risk.
CHEK2 contains functional domains:
CHEK2 activation:
CHEK2 phosphorylates:
The study of Chek2 Protein has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.