| 213L: reference: Protein structural plasticity exemplified by insertion and deletion mutants in T4 lysozyme., Vetter IR, Baase WA, Heinz DW, Xiong JP, Snow S, Matthews BW, Protein Sci 1996 Dec;5(12):2399-415. PMID: 8976549 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).