1Y04:
reference: Solution structure of a recombinant type I sculpin antifreeze protein., Kwan AH, Fairley K, Anderberg PI, Liew CW, Harding MM, Mackay JP, Biochemistry 2005 Feb 15;44(6):1980-8. PMID: 15697223

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