The site-specific DNA endonuclease encoded by a group I intron in the Chlamydomonas pallidostigmatica chloroplast small subunit rRNA gene introduces a single-strand break at low concentrations of Mg2+.
Monique TurmelJean-Patrick MercierVincent CôtéChristian OtisClaude LemieuxPublished in: Nucleic Acids Res. (1995)