1GNY:
reference: Structure of a family 15 carbohydrate-binding module in complex with xylopentaose. Evidence that xylan binds in an approximate 3-fold helical conformation., Szabo L, Jamal S, Xie H, Charnock SJ, Bolam DN, Gilbert HJ, Davies GJ, J Biol Chem 2001 Dec 28;276(52):49061-5. PMID: 11598143

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