4E4P:
reference: Novel structural features of xylanase A1 from Paenibacillus sp. JDR-2., St John FJ, Preston JF, Pozharski E, J Struct Biol. 2012 Sep 18. pii: S1047-8477(12)00249-3. doi:, 10.1016/j.jsb.2012.09.007. PMID: 23000703

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