N4BP2

Has 5'-polynucleotide kinase and nicking endonuclease activity. May play a role in DNA repair or recombination. May play a role in the non-stop mRNA decay pathway (NSD), which specifically targets and degrades mRNAs that lack a proper stop codon..

Function from UniProtKB (Q86UW6), read 2026-09-23. CC BY 4.0.