3LYN:
reference: The high resolution crystal structure of green abalone sperm lysin: implications for species-specific binding of the egg receptor., Kresge N, Vacquier VD, Stout CD, J Mol Biol 2000 Mar 10;296(5):1225-34. PMID: 10698629

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