https://www.ncbi.nlm.nih.gov/Structure/pdb/1ZJP
1ZJP: Crystal Structure of Human Galactosyltransferase (GTB) Complexed with Galactose-grease
ABO blood group (transferase A, alpha 1-3-N-acetylgalactosaminyltransferase; transferase B, alpha 1-3-galactosyltransferase)CHLORIDE IONMANGANESE (II)...
crystal structurehuman