1NLR:
reference: The Streptomyces lividans family 12 endoglucanase: construction of the catalytic cre, expression, and X-ray structure at 1.75 A resolution., Sulzenbacher G, Shareck F, Morosoli R, Dupont C, Davies GJ, Biochemistry 1997 Dec 23;36(51):16032-9. PMID: 9440876

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