6DGC:
reference: Multiple serine transposase dimers assemble the transposon-end synaptic complex during IS607-family transposition., Chen W, Mandali S, Hancock SP, Kumar P, Collazo M, Cascio D, Johnson RC, Elife. 2018 Oct 5;7. pii: 39611. doi: 10.7554/eLife.39611. PMID: 30289389

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