| 5X23: reference: Structural Basis of Single-Nucleotide Polymorphisms in Cytochrome P450 2C9., Maekawa K, Adachi M, Matsuzawa Y, Zhang Q, Kuroki R, Saito Y, Shah MB, Biochemistry. 2017 Oct 17;56(41):5476-5480. doi: 10.1021/acs.biochem.7b00795., Epub 2017 Oct 3. PMID: 28972767 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).