Recombinant Human dNT-2 protein

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

DNT-2 also known as Deoxyribonucleotidase-2 or DNTPase is an enzyme that dephosphorylates deoxyribonucleotide triphosphates (dNTPs) into deoxyribonucleoside diphosphates. It has a molecular mass of approximately 25 kDa. This enzyme is widely expressed in human tissues including liver brain and kidney indicating its broad functional significance in various biological processes. The catalytic activity of dNT-2 involves the hydrolysis of nucleoside triphosphates which is an important function in the cellular nucleotide metabolism.

Biological function summary

DNT-2 plays a significant role in maintaining the balance of the nucleotide pool within the cell. This enzyme is vital for DNA replication and repair processes where it ensures the correct levels of nucleotide substrates are available. dNT-2 functions independently but has been associated with cellular complexes in nucleotide biosynthetic pathways. By regulating nucleotide concentrations it prevents accumulation of imbalanced nucleotides that might lead to genomic instability.

Pathways

DNT-2 is involved in the nucleotide metabolism and DNA synthesis pathways. It coordinates with enzymes such as ribonucleotide reductase in the synthesis and regulation of DNA precursors. The salvage pathway and de novo synthesis pathways intersect with dNT-2's activity ensuring that nucleotide pools are replenished according to cellular demands. Its function is essential for proper DNA synthesis and repair linking it with key proteins involved in these pathways.

DNT-2 has been implicated in disorders related to genomic instability and cancer. Aberrations in dNT-2 activity might contribute to tumorigenesis due to improper nucleotide balance and subsequent DNA damage. Furthermore its role in nucleotide metabolism connects it with disorders such as mitochondrial DNA depletion syndromes. Deviations in its activity could influence the function of proteins like p53 which is an important tumor suppressor protein leading to altered cellular responses in disease contexts.