Fance 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.
| Fanconi Anemia Group E Protein | |
|---|---|
| Protein Name | Fanconi Anemia Group E Protein |
| Alternative Names | FANCE |
| Molecular Weight | 42 kDa |
| Length | 374 amino acids |
| UniProt ID | [Q96GY5](https://www.uniprot.org/uniprot/Q96GY5) |
| Cellular Location | Nucleus |
FANCE (Fanconi Anemia Group E) serves as a critical adaptor protein linking the FA core complex to FANCD2, making it essential for the activation of downstream DNA interstrand crosslink (ICL) repair. The FANCE-FANCD2 interaction represents a pivotal step in the FA pathway, converting the upstream scaffold function into specific DNA damage response signaling.
FANCE plays a central role in channeling the FA core complex signal to downstream effectors:
FANCD2 Recruitment: FANCE directly binds FANCD2 through its C-terminal domain, recruiting it to the chromatin-bound FA core complex.
FANCD2 Monoubiquitination: FANCE facilitates the monoubiquitination of FANCD2 at Lys561, the key activating modification. This structural role positions FANCD2 for efficient ubiquitination by FANCL.
Complex Assembly: FANCE forms a heterodimeric complex with FANCC, stabilizing both proteins and enhancing the overall FA core complex function.
Signal Transduction: FANCE acts as a molecular bridge, translating FA core complex assembly into FANCD2 activation.
FANCE is a 374 amino acid protein (42 kDa):
Structure-function studies reveal that the FANCD2-binding domain is distinct from the FANCC-binding domain, allowing sequential protein interactions.
DNA repair pathways intersect with neurodegeneration:
FANCE mutations cause Fanconi Anemia type E (FA-E):
FA-E patients require careful monitoring for bone marrow failure and early intervention with transplantation when indicated.
The study of Fance 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.