Matoba Y, Nakayama A, Oda K, Noda M, Kumagai T, Nishimura M, Sugiyama M (2011) <br />Structural evidence that puromycin hydrolase is a new type of aminopeptidase with a prolyl oligopeptidase family fold<br /><i>Proteins</i> <b>79</b>: 2999<br /><br />