| 3SIC: reference: Molecular recognition at the active site of subtilisin BPN': crystallographic studies using genetically engineered proteinaceous inhibitor SSI (Streptomyces subtilisin inhibitor)., Takeuchi Y, Noguchi S, Satow Y, Kojima S, Kumagai I, Miura K, Nakamura KT, Mitsui Y, Protein Eng 1991 Jun;4(5):501-8. PMID: 1891457 |
This OCA 
Structure page
uses Jmol,
developed by the Jmol Development Team
(documentation).