6LZ4:
reference: Site-specific epitope insertion into recombinant proteins using the MAP tag system., Wakasa A, Kaneko MK, Kato Y, Takagi J, Arimori T, J Biochem. 2020 May 9. pii: 5835287. doi: 10.1093/jb/mvaa054. PMID: 32386302

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