4RZC:
reference: Single-chain antibody-fragment M6P-1 possesses a mannose 6-phosphate monosaccharide-specific binding pocket that distinguishes N-glycan phosphorylation in a branch-specific mannerdagger., Blackler RJ, Evans DW, Smith DF, Cummings RD, Brooks CL, Braulke T, Liu X, Evans SV, Muller-Loennies S, Glycobiology. 2015 Oct 26. pii: cwv093. PMID: 26503547

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