| 3AJH: reference: One residue substitution in PcyA leads to unexpected changes in tetrapyrrole substrate binding., Wada K, Hagiwara Y, Yutani Y, Fukuyama K, Biochem Biophys Res Commun. 2010 Nov 12;402(2):373-7. Epub 2010 Oct 12. PMID: 20946883 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).