title: Stereochemistry of the transesterification step of pancreatic ribonuclease.
mesh_terms: D002384:Catalysis; D002854:Chromatography, Paper; D004952:Esters / Q000138:chemical synthesis; D007536:Isomerism; D000432:Methanol; D008956:Models, Chemical; D009946:Organothiophosphorus Compounds; D010179:Pancreas / Q000201:enzymology*; D012260:Ribonucleases; D014500:Uracil Nucleotides; D014961:X-Ray Diffraction
chemical_list: D004952:Esters; D009946:Organothiophosphorus Compounds; D014500:Uracil Nucleotides; D012260:Ribonucleases; D000432:Methanol