| 1XEF: reference: H662 is the linchpin of ATP hydrolysis in the nucleotide-binding domain of the ABC transporter HlyB., Zaitseva J, Jenewein S, Jumpertz T, Holland IB, Schmitt L, EMBO J 2005 Jun 1;24(11):1901-10. Epub 2005 May 12. PMID: 15889153 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).