| 1YCM: reference: Conformational variability of matrix metalloproteinases: Beyond a single 3D structure., Bertini I, Calderone V, Cosenza M, Fragai M, Lee YM, Luchinat C, Mangani S, Terni B, Turano P, Proc Natl Acad Sci U S A 2005 Apr 12;102(15):5334-9. Epub 2005 Apr 4. PMID: 15809432 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).