4OC1

X-ray structure of of human glutamate carboxypeptidase II (GCPII) in a complex with COIBzL, a urea-based inhibitor (2S)-2-[({(1S)-1-carboxy-2-[(2S)-oxiran-2-yl]ethyl}carbamoyl)amino]-6-[(4-iodobenzoyl)amino]hexanoic acid