6VGV:
reference: Live-cell protein engineering with an ultra-short split intein., Burton AJ, Haugbro M, Parisi E, Muir TW, Proc Natl Acad Sci U S A. 2020 May 18. pii: 2003613117. doi:, 10.1073/pnas.2003613117. PMID: 32424098

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