1SZB:
reference: The X-ray structure of human mannan-binding lectin-associated protein 19 (MAp19) and its interaction site with mannan-binding lectin and L-ficolin., Gregory LA, Thielens NM, Matsushita M, Sorensen R, Arlaud GJ, Fontecilla-Camps JC, Gaboriaud C, J Biol Chem 2004 Jul 9;279(28):29391-7. Epub 2004 Apr 26. PMID: 15117939

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