Structure of Human Cytosolic X-prolyl Aminopeptidase
A DOUBLE Mn(II)-DEPENDENT DIMERIC ENZYME WITH A NOVEL THREE-DOMAIN SUBUNIT

Xin Li, Zhiyong Lou, Xuemei Li, Weihong Zhou, Ming Ma, Youjia Cao, Yunqi Geng, Mark Bartlam, Xuejun C. Zhang and Zihe Rao

The Journal of Biological Chemistry 283 ( 33 ): 22858 - 22866 , 2008