4CTH:
reference: Engineering neprilysin activity and specificity to create a novel therapeutic for Alzheimer's disease., Webster CI, Burrell M, Olsson LL, Fowler SB, Digby S, Sandercock A, Snijder A, Tebbe J, Haupts U, Grudzinska J, Jermutus L, Andersson C, PLoS One. 2014 Aug 4;9(8):e104001. doi: 10.1371/journal.pone.0104001. eCollection, 2014. PMID: 25089527

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