Interacting selectively with chromatin, the network of fibers of DNA and protein that make up the chromosomes of the eukaryotic nucleus during interphase [goid 3682] [evidence IEA]; Interacting selectively with damaged DNA [goid 3684] [evidence IEA]; Interacting selectively with double-stranded DNA containing a G/T mispair [goid 32137] [evidence IEA]; Interacting selectively with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose moiety [goid 166] [evidence IEA]; Interacting selectively with magnesium (Mg) ions [goid 287] [pmid 16403449] [evidence IDA]; Interacting selectively with DNA containing four-way junctions, also known as Holliday junctions, a structure where two DNA double strands are held together by reciprocal exchange of two of the four strands, one strand each from the two original helices [goid 400] [pmid 12034830] [evidence IDA]; Catalysis of the removal of purines present in mismatches, especially opposite oxidized purines, by cleaving the N-C1' glycosidic bond between the target damaged DNA base and the deoxyribose sugar. The reaction releases a free base and leaves an apurinic (AP) site [goid 701] [pmid 11005803] [evidence IMP]; Interacting selectively with chromatin, the network of fibers of DNA and protein that make up the chromosomes of the eukaryotic nucleus during interphase [goid 3682] [evidence IEA]; Interacting selectively with damaged DNA [goid 3684] [evidence IEA]; Interacting selectively with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules) [goid 5515] [pmid 14657349] [evidence IPI]; Interacting selectively with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator [goid 5524] [pmid 15105434] [evidence IDA]; Catalysis of the reaction: ATP + H2O = ADP + phosphate. May or may not be coupled to another reaction [goid 16887] [pmid 16403449] [evidence IDA]; Interacting selectively with double-stranded DNA containing a G/T mispair [goid 32137] [evidence IEA]; Interacting selectively with double-stranded DNA containing a G/T mispair [goid 32137] [pmid 11809883] [evidence IDA]; Interacting selectively with double-stranded DNA containing a G/T mispair [goid 32137] [pmid 8942985] [evidence IDA]; Interacting selectively with double-stranded DNA containing a dinucleotide insertion or deletion [goid 32139] [pmid 11005803] [evidence IMP]; Interacting selectively with double-stranded DNA containing a single guanine insertion or a deletion that results in an unpaired guanine [goid 32142] [pmid 8942985] [evidence IDA]; Interacting selectively with double-stranded DNA containing a single thymine insertion or a deletion that results in an unpaired thymine [goid 32143] [pmid 8942985] [evidence IDA]; Interacting selectively with oxidized purine residues in DNA [goid 32357] [pmid 11801590] [evidence IDA]; Interacting selectively with oxidized purine residues in DNA [goid 32357] [pmid 11756455] [evidence IDA]; Interacting selectively with the mismatch repair complex MutLalpha [goid 32405] [pmid 16403449] [evidence IDA]; Interacting selectively with an identical protein to form a homodimer [goid 42803] [pmid 8942985] [evidence IDA]; Interacting selectively with ADP, adenosine 5'-diphosphate [goid 43531] [pmid 15105434] [evidence IDA]