Recombinant Human Aprataxin and PNK-like factor (APLF)

Uniprot Id

Q8IW19

Target Species

Human

Target Name

APLF

Target Full Name

Aprataxin and PNK-like factor

Target Function

Nuclease involved in single-strand and double-strand DNA break repair. Recruited to sites of DNA damage through interaction with poly(ADP-ribose), a polymeric post-translational modification synthesized transiently at sites of chromosomal damage to accelerate DNA strand break repair reactions. Displays apurinic-apyrimidinic (AP) endonuclease and 3'-5' exonuclease activities in vitro. Also able to introduce nicks at hydroxyuracil and other types of pyrimidine base damage. Together with PARP3, promotes the retention of the LIG4-XRCC4 complex on chromatin and accelerate DNA ligation during non-homologous end-joining (NHEJ).

Target Subcellular Location

Nucleus. Chromosome. Cytoplasm, cytosol.

Target Protein Families

APLF family

Target Synonyms

2010301N04Rik; AI452191; Aplf; APLF_HUMAN; Aprataxin and PNK-like factor; Apurinic-apyrimidinic endonuclease APLF; C2orf13; PNK and APTX like FHA protein; PNK and APTX-like FHA domain-containing protein; RGD1565557; XIP1; XRCC1 interacting protein 1; XRCC1-interacting protein 1

Target Background

Enables DNA-(apurinic or apyrimidinic site) endonuclease activity; nuclease activity; and nucleotide binding activity. Involved in double-strand break repair via nonhomologous end joining and single strand break repair. Acts upstream of or within positive regulation of DNA ligation. Located in nucleoplasm. Is active in site of double-strand break.