6FWT:
reference: The dimeric structure of wild-type human glycosyltransferase B4GalT1., Harrus D, Khoder-Agha F, Peltoniemi M, Hassinen A, Ruddock L, Kellokumpu S, Glumoff T, PLoS One. 2018 Oct 23;13(10):e0205571. doi: 10.1371/journal.pone.0205571., eCollection 2018. PMID: 30352055

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