These proteins given per organism are involved in a DNA repair process;
base-excision repair, AP site formation( GO:0006285 ):

Saccharomyces cerevisiae( 3 entries )

NTG1_YEAST
NTG2_YEAST
OGG1_YEAST

Schizosaccharomyces pombe( 2 entries )

END3_SCHPO
MAG1_SCHPO