https://www.ncbi.nlm.nih.gov/Structure/pdb/3QNF
3QNF: Crystal structure of the open state of human endoplasmic reticulum aminopeptidase 1 ERAP1
Endoplasmic reticulum aminopeptidase 12-acetamido-2-deoxy-beta-D-glucopyranoseZINC IONalpha-D-mannopyranose