1SCA:
reference: Enzyme crystal structure in a neat organic solvent., Fitzpatrick PA, Steinmetz AC, Ringe D, Klibanov AM, Proc Natl Acad Sci U S A 1993 Sep 15;90(18):8653-7. PMID: 8378343

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