| 4MHP: reference: Structural and functional analyses of a glutaminyl cyclase from Ixodes scapularis reveal metal-independent catalysis and inhibitor binding., Huang KF, Hsu HL, Karim S, Wang AH, Acta Crystallogr D Biol Crystallogr. 2014 Mar;70(Pt 3):789-801. doi:, 10.1107/S1399004713033488. Epub 2014 Feb 22. PMID: 24598748 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).