6FIA:
reference: Human LINE-1 retrotransposition requires a metastable coiled coil and a positively charged N-terminus in L1ORF1p., Khazina E, Weichenrieder O, Elife. 2018 Mar 22;7. pii: 34960. doi: 10.7554/eLife.34960. PMID: 29565245

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