5KZO:
reference: Structural and biochemical differences between the Notch and the amyloid precursor protein transmembrane domains., Deatherage CL, Lu Z, Kroncke BM, Ma S, Smith JA, Voehler MW, McFeeters RL, Sanders CR, Sci Adv. 2017 Apr 12;3(4):e1602794. doi: 10.1126/sciadv.1602794. eCollection 2017, Apr. PMID: 28439555

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