4L3N:
reference: Crystal structure of the receptor-binding domain from newly emerged Middle East respiratory syndrome coronavirus., Chen Y, Rajashankar KR, Yang Y, Agnihothram SS, Liu C, Lin YL, Baric RS, Li F, J Virol. 2013 Jul 31. PMID: 23903833

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