2MCH:
reference: Murine norovirus protein NS1/2 aspartate to glutamate mutation sufficient for persistence reorients sidechain of surface exposed tryptophan within a novel structured domain., Borin BN, Tang W, Nice TJ, McCune BT, Virgin HW, Krezel AM, Proteins. 2013 Nov 25. doi: 10.1002/prot.24484. PMID: 24273131

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