The Methanothermobacter thermautotrophicus ExoIII homologue Mth212 is a DNA uridine endonuclease.
Georg J, Schomacher L, Chong JP, Majerník AI, Raabe M, Urlaub H, Müller S, Ciirdaeva E, Kramer W, Fritz HJ. Nucleic Acids Res. 2006; 34(18):5325-36. Epub 2006 Sep 29.