MPND (MPN domain containing) is a probable protease that functions as a sensor of N(6)-methyladenosine (m6A) methylation on DNA 1. The protein recognizes and binds m6A-modified DNA in a sequence-independent manner, leading to DNA degradation 1. MPND binds exclusively to double-stranded DNA (dsDNA) and possesses metallopeptidase activity. Based on Gene Ontology annotations, MPND participates in protein-protein interactions and associates with the BRCA1-A and BRISC complexes, which are involved in double-strand break repair and polyubiquitin-dependent protein degradation pathways. These functions suggest MPND plays a role in DNA damage surveillance and repair mechanisms, potentially through recognition of epigenetic modifications that mark damaged or abnormal DNA. The protein's involvement in DNA sensing and degradation implicates it in maintaining genomic stability. However, the provided abstracts do not contain information about specific disease associations or clinical significance of MPND mutations or dysfunction, limiting further characterization of its pathological relevance.