PIF1 5'-to-3' DNA helicase

PIF1 5'-to-3' DNA helicase is a type of enzyme that is encoded by the PIF1 gene in humans. This enzyme is part of the DNA helicase family, which are proteins that unwind the DNA double helix during DNA replication, repair, and recombination.

Function

PIF1 5'-to-3' DNA helicase plays a crucial role in maintaining the integrity of the genome. It unwinds the DNA double helix in the 5' to 3' direction, which is essential for the process of DNA replication. This enzyme also plays a role in the repair of damaged DNA and the recombination of genetic material.

In addition to its role in DNA replication and repair, PIF1 5'-to-3' DNA helicase is also involved in the maintenance of telomeres, the protective caps at the ends of chromosomes. It helps to prevent the premature shortening of telomeres, which can lead to cellular aging and disease.

Clinical significance

Mutations in the PIF1 gene can lead to defects in DNA replication and repair, which can result in a variety of diseases, including cancer. Research has shown that overexpression of PIF1 5'-to-3' DNA helicase can lead to increased genomic instability, which is a hallmark of cancer.

See also

• DNA helicase
• DNA replication
• Telomere