| 2XPL: reference: The structure of an Iws1/Spt6 complex reveals an interaction domain conserved in TFIIS, Elongin A and Med26., Diebold ML, Koch M, Loeliger E, Cura V, Winston F, Cavarelli J, Romier C, EMBO J. 2010 Dec 1;29(23):3979-91. Epub 2010 Nov 5. PMID: 21057455 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).