1EKB:
reference: Crystal structure of enteropeptidase light chain complexed with an analog of the trypsinogen activation peptide., Lu D, Futterer K, Korolev S, Zheng X, Tan K, Waksman G, Sadler JE, J Mol Biol 1999 Sep 17;292(2):361-73. PMID: 10493881

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).