title: Semiempirical calculations on the electronic structure and preferred conformations of thiamine (vitamin B1) and thiamine pyrophosphate (cocarboxylase).
mesh_terms: D001665:Binding Sites; D055598:Chemical Phenomena; D002621:Chemistry; D004583:Electrons; D008433:Mathematics; D008956:Models, Chemical; D008968:Molecular Conformation; D013831:Thiamine; D013835:Thiamine Pyrophosphate
chemical_list: D013835:Thiamine Pyrophosphate; D013831:Thiamine