Xrcc7 Protein (Dna Pkcs) is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
Overview
XRCC7 encodes the catalytic subunit of the DNA-dependent protein kinase (DNA-PKcs), a central regulator of non-homologous end joining (NHEJ). DNA-PKcs is one of the largest known protein kinases and forms the core of the NHEJ machinery. [@dnapkcs2020]
Protein Information
Structure and Function
Domain Architecture
DNA-PKcs has a complex multi-domain structure:
N-terminal domain: Regulatory and interaction surfaces
Kinase domain (C-terminal): Catalytic activity
HEAT repeats: Protein-protein interactions
Ku interaction domain: Binds Ku70/80
Kinase Activity
DNA-PKcs functions as a serine/threonine kinase:
Activation: DNA binding by Ku70/80 recruits and activates DNA-PKcs
The study of Xrcc7 Protein (Dna Pkcs) 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.
External Links
[PubMed](https://pubmed.ncbi.nlm.nih.gov/) - Biomedical literature
[Alzheimer's Disease Neuroimaging Initiative](https://adni.loni.usc.edu/) - Research data
[Allen Brain Atlas](https://brain-map.org/) - Brain gene expression data