6T4B:
reference: Purification and Structural Characterization of Aggregation-Prone Human TDP-43 Involved in Neurodegenerative Diseases., Wright GSA, Watanabe TF, Amporndanai K, Plotkin SS, Cashman NR, Antonyuk SV, Hasnain SS, iScience. 2020 May 15;23(6):101159. doi: 10.1016/j.isci.2020.101159. PMID: 32480125

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