| 4UOY: reference: Structure of Putrescine Aminotransferase from Escherichia coli Provides Insights into the Substrate Specificity among Class III Aminotransferases., Cha HJ, Jeong JH, Rojviriya C, Kim YG, PLoS One. 2014 Nov 25;9(11):e113212. doi: 10.1371/journal.pone.0113212., eCollection 2014. PMID: 25423189 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).