3OV7: How The Cca-Adding Enzyme Selects Adenine Over Cytosine In P Of Trna
reference: How the CCA-adding enzyme selects adenine over cytosine at position 76 of tRNA., Pan B, Xiong Y, Steitz TA, Science. 2010 Nov 12;330(6006):937-40. PMID: 21071662

This OCA Structure page
uses Jmol, developed by the Jmol Development Team (documentation).