4YF2:
reference: Sperm Lysozyme-Like Protein 1 (SLLP1), an intra-acrosomal oolemmal-binding sperm protein, reveals filamentous organization in protein crystal form., Zheng H, Mandal A, Shumilin IA, Chordia MD, Panneerdoss S, Herr JC, Minor W, Andrology. 2015 Jul;3(4):756-71. doi: 10.1111/andr.12057. PMID: 26198801

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