https://www.ncbi.nlm.nih.gov/Structure/pdb/3SOB
Low-density lipoprotein receptor-related protein 6antibody heavy chainantibody light chainCALCIUM ION
beta propeller domainstructurefirst
https://www.ncbi.nlm.nih.gov/Structure/pdb/4U7A
Ribosome biogenesis protein ERB11,2-ETHANEDIOLETHANOLGLYCEROL
carboxy terminaldomainseven